Best AI browser agents in 2026: Comet, Atlas, Dia, Opera Neon, Browser Use, and more compared

• Comet remains framed as a Perplexity-powered Chromium browser; recheck current plan entitlements, mobile parity, and enterprise controls before quoting pricing or access.
• Atlas remains safest to describe as OpenAI's ChatGPT-first browser with agent safeguards and current macOS support language; do not assume wider platform parity until OpenAI's own download/help pages say so.
• Opera Neon remains an experimental subscription-oriented agentic browser; Opera's March 2026 MCP Connector update makes permissions and write-tool scope a buyer caveat, not just a feature bullet.
• Dia, BrowserOS, Tandem, Browser Use, Fellou, and Surfer 2 still need import-time checks for exact platform downloads, release maturity, pricing, and enterprise fit.

For security-sensitive browser-agent buying, pair this roundup with how to evaluate AI browser agents for enterprise security and AI browser automation tools for developers.

Opening VerdictThe best AI browser agent in 2026 depends on what you mean by "browser agent." The phrase now covers at least four different products: consumer AI browsers, developer browser automation frameworks, cross-platform computer-use agents, and security-sensitive enterprise browser agents.

For most people, Perplexity Comet is the strongest default because it treats browsing as a research and answer workflow instead of just adding a chatbot to a side panel. It is especially useful when the job is summarizing pages, asking questions across open tabs, researching options, and turning ordinary browsing into a conversational task flow.

For users who already live inside ChatGPT, ChatGPT Atlas is the more natural branch. OpenAI positions Atlas as a macOS browser with ChatGPT built into the browsing surface, including agent capabilities with explicit safeguards. The current official help page still frames Atlas as a macOS browser for Apple silicon Macs, so buyers should not assume Windows, iOS, or Android availability until OpenAI's current download page confirms it.

For people who want a design-led browser with lighter AI help, Dia is the calmer option. It is better for writing, tab mentions, context, skills, and browser-native assistant workflows than for aggressive autonomous browsing. For people who want the most experimental agentic browser, Opera Neon is the sharper branch because Opera positions it around tasks, cards, model selection, and MCP connector direction.

For builders, the answer changes completely. Browser Use is not a daily browser replacement; it is the best developer framework and cloud workflow for building browser agents into products or internal automations. BrowserOS and Tandem Browser are more interesting for local-first, open-source, MCP, and agent-control experimentation. H Company Surfer 2 is not a consumer browser; it is a cross-platform computer-use agent architecture that matters for enterprise buyers comparing web, desktop, and mobile automation.

This guide intentionally separates those branches. If you are choosing between two named browsers, use the deeper comparisons for ChatGPT Atlas vs Perplexity Comet and Dia vs Perplexity Comet. If you are evaluating broader automation, compare this page with AI workflow automation tools.

Quick Verdict Table

What Counts As An AI Browser Agent In 2026?

An AI browser agent is not just a browser with a chat sidebar. The category now splits into four buyer-relevant groups.

1. Consumer AI browsers

Consumer AI browsers are full browsers for everyday use. They usually include page-aware chat, tab summaries, web search, writing help, and some ability to act on websites. Perplexity Comet, ChatGPT Atlas, Dia, Opera Neon, and Fellou belong here.

This is the right branch if the buyer wants to replace or supplement Chrome, Safari, Edge, Arc, Brave, or Opera with a browser that understands the current page and helps with research or tasks.

2. Browser automation frameworks

Browser automation frameworks are for builders. They run browser sessions, drive pages, extract data, complete forms, test web apps, and connect to agent code. Browser Use belongs in this branch.

This is the right branch if the buyer is building an internal agent, an AI QA workflow, a scraping workflow, a test harness, or an application feature. It is the wrong branch if the buyer only wants a better personal browser.

3. Cross-platform computer-use agents

Computer-use agents control interfaces beyond a single browser surface. They may operate web apps, desktop apps, and mobile apps using visual grounding and action loops. H Company Surfer 2 belongs in this branch.

This is the right branch for enterprise automation teams comparing web, desktop, and mobile task execution. It should not be marketed as a simple "best browser" choice.

4. Enterprise and security-sensitive browser agents

Security-sensitive browser agents are evaluated less on demo magic and more on permissions, isolation, auditability, MFA behavior, data retention, provider controls, and how well the tool handles prompt injection. BrowserOS, Tandem Browser, Browser Use deployments, and enterprise-packaged browser agents may belong here depending on setup.

This is the right branch when the agent may touch logged-in SaaS apps, admin dashboards, customer data, financial workflows, internal systems, or regulated information.

Ranking The Best AI Browser Agents In 2026

June 4 freshness note: Comet remains the broader research-first pick after rechecking mobile and desktop availability signals; ChatGPT Atlas should still be treated as a ChatGPT-first browser with careful agent-mode and enterprise controls; Dia remains strongest as a macOS work-context browser with Windows still treated as waitlist/availability-sensitive; Opera Neon is public early access but should be framed as experimental and subscription-sensitive. For security-sensitive teams, pair this shortlist with the enterprise browser-agent security checklist before any default-browser rollout.

1. Perplexity Comet

Perplexity Comet is the best AI browser agent for most users because it is built around answer-first browsing. Perplexity's help docs describe Comet as a Chromium-based browser with advanced AI capabilities powered by Perplexity, and Comet Assistant as a side panel that can answer questions and execute tasks without interrupting the browsing flow.

Comet is strongest when:

• the user researches across pages, tabs, videos, products, and documents
• browsing and asking questions should feel like one workflow
• the buyer wants a consumer AI browser rather than a developer framework
• mobile and desktop availability matter, but the exact feature set can vary by platform

Skip it if:

• the buyer needs strict enterprise isolation, audit logs, or procurement-ready controls
• the workflow depends on websites that block automation or require fragile MFA handoffs
• the team needs deterministic browser automation rather than assistant-led browsing

Official facts checked: Perplexity help docs describe Comet as Chromium-based and explain Assistant permissions, including browser control, read-only domain controls, and domain blocking. App store listings confirm current mobile distribution, but publisher should recheck the current Comet download page and plan entitlements before making any "free for everyone" or "included in plan X" claim.

Safety note: treat Comet as a powerful browsing assistant, not an unattended employee. Block sensitive domains where appropriate, keep banking and admin work out of autonomous flows, and review checkout, email, calendar, purchase, and account changes before submission.

Read next: ChatGPT Atlas vs Perplexity Comet, Dia vs Perplexity Comet, and AI workflow automation tools.

2. ChatGPT Atlas

ChatGPT Atlas is the best AI browser agent for ChatGPT-first users, especially Mac users who already pay for or depend on ChatGPT. OpenAI's official Atlas launch says Atlas launched worldwide on macOS for Free, Plus, Pro, and Go users, with beta availability for Business and admin-enabled Enterprise and Edu users. OpenAI's current help article describes Atlas as a macOS browser and lists Apple silicon Mac requirements.

Atlas is strongest when:

• the user already keeps research, writing, and task context in ChatGPT
• browser memory, current-page context, and ChatGPT account continuity matter
• the buyer wants OpenAI's agent safeguards and ecosystem direction
• Mac availability is enough for the current rollout

Skip it if:

• Windows, iOS, Android, Linux, or cross-platform parity is required now
• the buyer does not want browsing history or logged-in site context near an AI agent
• the workflow needs open provider choice or local model control

Official facts checked: OpenAI's launch page describes Atlas availability and agent safeguards. OpenAI's help center currently lists Apple silicon Macs running macOS 14.2 or later as supported. OpenAI also states that Atlas agent capabilities have limits, including not running code in the browser, not downloading files, not installing extensions, and pausing on certain sensitive sites.

Safety note: OpenAI explicitly warns that browser agents can be vulnerable to hidden malicious instructions on webpages or in email. Atlas users should monitor agent activity, use logged-out mode for sensitive tasks, and avoid giving the agent access to high-risk accounts unless the benefit is worth the exposure.

Read next: ChatGPT Atlas vs Perplexity Comet, AI coding agents, and AI workflow automation tools.

3. Dia

Dia is the best design-led AI browser for users who want tab context, writing help, skills, and lightweight workflow support without turning every browsing session into an autonomous-agent demo. Its role in this list is important because many buyers do not actually want the most aggressive browser agent. They want a calmer browser that understands what they are reading and helps them move faster.

Dia is strongest when:

• the user values a polished, low-friction browser experience
• tab mentions, writing help, custom skills, and memory-style personalization are the main jobs
• the buyer wants a consumer browser, not an automation framework
• the team is comparing Comet-style research workflows against design-led browsing

Skip it if:

• the buyer needs deep autonomous site operation
• non-Mac support is mandatory and not confirmed on the current official download page
• procurement needs detailed enterprise security documentation before trial

Official facts checked: Dia's official Pro page confirms a Dia Pro path and trial, while product coverage around the public macOS launch describes free access and a paid Pro tier. Because Dia's public pages can be dynamic and platform-specific, publisher should recheck the current Dia download, Pro, and terms pages before stating exact price, platform, or usage-limit wording.

Safety note: Dia is easier to position as an AI browser than as a full autonomous agent. That is a strength for users who mainly want writing, tab context, and browser-native assistant work, but a weakness if the buyer expects robust multi-site automation.

Read next: Dia vs Perplexity Comet, ChatGPT Atlas vs Perplexity Comet, and reviews hub.

4. Opera Neon

Opera Neon is the best experimental agentic browser because Opera is explicitly positioning it around agentic browsing rather than only chat in a browser. Opera's official materials describe Neon as an agentic browser, its subscription page references agentic features such as Tasks, Cards, and Model Selector, and Opera's March 2026 update says Neon can act as an MCP server for other AI clients.

Opera Neon is strongest when:

• the buyer wants an experimental browser built around agentic workflows
• model selection, tasks, cards, and connector direction matter
• the user is comfortable with subscription and usage checks
• the workflow benefits from an MCP-style bridge between browser state and external AI clients

Skip it if:

• the buyer wants the safest mainstream recommendation
• the organization cannot tolerate experimental browser behavior
• exact model/provider availability must be stable for procurement language

Official facts checked: Opera's subscription page lists Windows 11 and macOS 14 or newer requirements in its FAQ snippets and names advanced workspace features. Opera's help FAQ says Neon is model-agnostic and currently uses providers including OpenAI and Google for general-purpose models, with specialized models for image, speech-to-text, and text-to-speech tasks. Opera also states that it does not train models on user data and that provider agreements prohibit training on Opera users' data.

Safety note: MCP support is powerful because it lets external agents control the browser through tools. That also raises the bar for tool permissions, write actions, logged-in sites, and sensitive workflows. Users should enable only the tools required for the job.

Read next: AI workflow automation tools, Genspark vs Manus, and reviews hub.

5. Browser Use

Browser Use is the best browser automation framework in this roundup. It should not be judged against Comet, Atlas, Dia, or Neon as a daily browser. It belongs on the shortlist when a developer, product team, QA team, or automation team wants an agent to operate browser sessions reliably through code and cloud infrastructure.

Browser Use is strongest when:

• the buyer is building browser automation into a product or internal workflow
• the team wants model-aware agent sessions, browser sessions, and API-driven execution
• step pricing and model selection are easier to reason about than a consumer browser subscription
• the task resembles web testing, extraction, form workflows, or controlled browser operations

Skip it if:

• the buyer wants a personal AI browser
• the task is too fragile for automation because of MFA, CAPTCHAs, anti-bot systems, or frequent UI changes
• the team has no engineering owner for failures, retries, data handling, or monitoring

Official facts checked: Browser Use's current pricing docs list model step pricing, including Browser Use 2.0 as the default browser automation model, and show example task initialization and per-step costs. The exact model list and prices should be rechecked before import because model options and step pricing can change quickly.

Safety note: Browser automation must be designed like production software. Do not point an agent at logged-in financial, admin, or customer systems without explicit permission boundaries, audit logs, retry limits, human approval points, and fallback paths.

Read next: how to use Cline browser automation for local app testing, how to use Cline browser automation to analyze a website, and AI workflow automation tools.

6. Fellou

Fellou is the best challenger to test when the buyer wants a consumer-facing agentic browser focused on deep search, web task automation, scheduled work, and research-style outputs. Its own pricing page uses sparks as the usage unit and lists Free, Plus, Pro, and Ultra tiers.

Fellou is strongest when:

• the buyer wants deep search and scheduled task workflows
• consumer browser packaging is preferred over developer-framework setup
• the team is willing to test real usage consumption before committing
• agentic browsing is more important than conventional browser polish

Skip it if:

• the buyer needs the safest market leader
• procurement cannot accept usage that varies by workflow complexity
• the workflow involves high-risk logged-in actions without clear review controls

Official facts checked: Fellou's pricing page lists a Free tier, paid monthly tiers, monthly sparks, scheduled task limits, and a note that consumption varies significantly based on workflow complexity. Publisher should recheck the pricing page at import time because sparks, tier names, and limited-time concurrency language may change.

Safety note: credit-like task systems can look cheap or expensive depending on how many steps real tasks consume. Test with the buyer's actual workflows before making cost claims.

Read next: AI workflow automation tools, Genspark vs Manus, and reviews hub.

7. BrowserOS

BrowserOS is the best open/local-first challenger for technical users who want an agentic browser with provider choice and local-model direction. Its GitHub repository describes it as an open-source Chromium fork that runs AI agents natively, supports macOS, Windows, and Linux downloads, and lets users connect Claude, OpenAI, Gemini, ChatGPT Pro via OAuth, or local models via Ollama or LM Studio.

BrowserOS is strongest when:

• open-source visibility matters
• the buyer wants bring-your-own-provider or local model options
• privacy-first positioning matters more than mainstream polish
• the team has enough technical skill to evaluate a younger browser project

Skip it if:

• the buyer needs a mature commercial support path
• browser updates, security patch cadence, and enterprise management are non-negotiable
• non-technical users need a polished mainstream browser on day one

Official facts checked: BrowserOS GitHub documentation describes the Chromium fork, local/provider options, supported download platforms, and monorepo architecture. Publisher should recheck release freshness and security posture before presenting it as ready for broad team rollout.

Safety note: open-source does not automatically mean safer. It improves inspectability, but teams still need update discipline, sandboxing, permissions, and policy for model providers.

Read next: AI coding agents, AI workflow automation tools, and reviews hub.

8. Tandem Browser

Tandem Browser is the best experimental MCP and OpenClaw companion browser to watch, not the safest recommendation for mainstream buyers. Its release notes describe MCP support, broad tool parity, and compatibility with agents such as Claude Code, Claude Desktop, Cursor, Windsurf, Ollama, or custom clients.

Tandem Browser is strongest when:

• the buyer is experimenting with MCP browser control
• the user wants a companion browser for agent workflows
• source-level experimentation is acceptable
• developer users want to connect external agents to browser actions

Skip it if:

• the buyer wants a polished daily browser
• source-only releases are a blocker
• security review requires mature vendor documentation and predictable support

Official facts checked: Tandem's changelog lists MCP-heavy releases in March and April 2026 and notes source-only status for at least one release train. Publisher should treat Tandem as experimental and recheck download/release status before any stronger recommendation.

Safety note: MCP browser control should be permissioned narrowly. External agents should not receive broad write tools for logged-in accounts unless the workflow has explicit human confirmation.

Read next: AI coding agents, how to use Cline browser automation for local app testing, and reviews hub.

9. H Company Surfer 2

H Company Surfer 2 is the best enterprise computer-use reference point in this roundup, but it is not a consumer browser. H describes Surfer 2 as a cross-platform computer-use agent architecture for desktop, web, and mobile environments, with benchmark claims across OSWorld, WebVoyager, WebArena, and AndroidWorld.

Surfer 2 is strongest when:

• the buyer is comparing enterprise computer-use agents, not personal browsers
• desktop, web, and mobile automation must be evaluated together
• benchmark performance, visual grounding, planning, execution, and failure recovery matter
• the team has budget and technical capacity for serious agent evaluation

Skip it if:

• the buyer wants a browser they can download and use as a daily driver
• the team is not ready to evaluate computer-use agents as infrastructure
• cost, deployment, and workflow design are not yet defined

Official facts checked: H Company's Surfer 2 page states that Surfer 2 runs across desktop, web, and mobile environments and reports benchmark scores including 60.1% pass@1 on OSWorld Foundation E2E GUI, 69.6% on WebArena, 97.1% on WebVoyager, and 87.1% on AndroidWorld. H also notes that Surfer 2 runs are extremely costly and that the company is working on lower-cost Holo2 models.

Safety note: benchmark performance is not the same as production reliability. Enterprise buyers should test their own apps, permissions, MFA paths, anti-bot behavior, data boundaries, and human approval rules before trusting any computer-use agent.

Read next: AI workflow automation tools, AI coding agents, and Genspark vs Manus.

Pricing And Platform Checks

Pricing and platform claims are the fastest-changing part of this category. Treat the table below as the import-time checklist, not permanent truth.

Security, Privacy, Prompt Injection, MFA, And Anti-Bot Caveats

AI browser agents are useful because they can see more context and take more actions than a normal chatbot. That is also why they are risky.

Prompt injection is a browser problem now

Browser agents read webpages, emails, documents, dashboards, comments, and forms. Hidden instructions in those surfaces can try to override the user's goal. OpenAI explicitly warns about hidden malicious instructions for Atlas agent use, and the same general risk applies across agentic browsers.

Practical rule: never give a browser agent broad access to sensitive logged-in pages unless the user is watching and can stop the action.

MFA and anti-bot flows are not bugs to "solve"

MFA prompts, CAPTCHAs, device checks, suspicious-login screens, payment confirmations, and bot defenses are often doing their job. An agent that repeatedly tries to bypass them can create account risk, fraud risk, or terms-of-service risk.

Practical rule: design workflows so humans handle MFA, checkout, financial approval, account changes, and irreversible actions.

Logged-in context is powerful but expensive

The more context an agent can see, the more useful it becomes. It can summarize internal pages, compare account settings, draft support replies, and operate SaaS workflows. It can also expose private data to model providers, cloud sessions, logs, plugins, or malicious webpage instructions if the tool's controls are weak.

Practical rule: use domain allowlists and blocklists, logged-out mode where available, least-privilege accounts, and separate browser profiles for agent work. For a fuller buyer checklist, see how to evaluate AI browser agents for enterprise security.

Automation reliability depends on the target site

Browser agents are not equally reliable on every website. Login flows, dynamic front ends, consent banners, bot detection, rate limits, popups, and changing DOMs can break otherwise strong agents.

Practical rule: test the exact sites and workflows the buyer cares about. Do not extrapolate from a product demo.

Enterprise buyers need auditability, not magic

For serious workflows, the buying checklist should include logs, screenshots, replay, permissions, data retention, provider routing, admin controls, human approval gates, incident response, and rollback paths.

Practical rule: if nobody can explain what the agent saw, clicked, submitted, or sent to a model, the workflow is not ready for production.

How To Choose

Choose Perplexity Comet if the buyer wants the best general consumer AI browser for research and task-aware browsing.

Choose ChatGPT Atlas if the buyer is already ChatGPT-first, uses Apple silicon Macs, and wants browser-level ChatGPT context with explicit agent safeguards.

Choose Dia if the buyer wants a calm AI browser for writing, tab context, and skills instead of aggressive autonomous browsing.

Choose Opera Neon if the buyer wants the most experimental agentic browser with tasks, cards, model direction, and MCP connector momentum.

Choose Browser Use if the buyer is building browser automation into products, QA workflows, internal tools, or agent infrastructure.

Choose Fellou if the buyer wants to test a consumer agentic browser focused on deep search, scheduled tasks, and usage-based task execution.

Choose BrowserOS if the buyer values open-source, local-first, and bring-your-own-model/provider control enough to tolerate a younger project.

Choose Tandem Browser if the buyer is explicitly experimenting with MCP and OpenClaw-style browser control.

Choose H Company Surfer 2 if the buyer is evaluating enterprise computer-use agents across web, desktop, and mobile, not shopping for a daily browser.

FAQ

What is the difference between an AI browser and an agentic browser?

An AI browser usually means a browser with AI features such as page chat, summarization, writing help, search, and tab context. An agentic browser goes further by taking actions across pages, managing tasks, creating artifacts, or controlling the browser through tools. The line is blurry, so buyers should ask what the product can actually do on the sites they use.

Is Perplexity Comet better than ChatGPT Atlas?

Comet is the better default for research-first browsing and people who want Perplexity built into the browser. Atlas is better for ChatGPT-first users who want OpenAI's browser context and agent mode on supported Macs. Use ChatGPT Atlas vs Perplexity Comet for the deeper decision.

Is Dia an agentic browser?

Dia is best described as a design-led AI browser with assistant, tab-context, and skills workflows. It is not the strongest pick if the buyer wants maximum autonomous task execution. Use Dia vs Perplexity Comet when the decision is calm AI browser versus research-first AI browser.

Should a business use Browser Use instead of an AI browser?

Use Browser Use when the business is building a browser agent or automation workflow. Use Comet, Atlas, Dia, Neon, or Fellou when the user wants a daily browser. The difference is product surface: Browser Use is infrastructure for builders, not a browser replacement for ordinary users.

Are AI browser agents safe for banking, admin, or customer-data workflows?

Not by default. Use browser agents carefully around banking, payments, admin consoles, customer records, internal dashboards, healthcare, legal, and financial workflows. Require human confirmation for MFA, checkout, account changes, emails, purchases, data exports, and irreversible actions.

Do browser agents bypass CAPTCHAs or anti-bot systems?

They should not be framed that way. CAPTCHA, MFA, suspicious-login, and anti-bot systems are safety and abuse-prevention controls. If a workflow depends on bypassing them, the workflow is not a good fit for an autonomous browser agent.

Which AI browser agent is best for developers?

Browser Use is the clearest developer pick because it is built for browser automation workflows. BrowserOS and Tandem Browser are interesting for open-source, local-first, MCP, and agent-control experimentation. For coding-specific work, also compare best AI coding agents.

Which one should most readers try first?

Most consumer readers should start with Perplexity Comet, then compare ChatGPT Atlas if they already use ChatGPT heavily, and Dia if they prefer a calmer browser. Developers should start with Browser Use. Enterprise automation teams should evaluate computer-use agents separately.

## Internal Link Plan

Use these links in body modules and related-card slots:

• /compare/chatgpt-atlas-vs-perplexity-comet-2026
• /compare/dia-vs-perplexity-comet-2026
• /compare/genspark-vs-manus-2026
• /reviews/best-ai-workflow-automation-tools-2026
• /reviews/best-ai-coding-agents-2026
• /learn/how-to-use-cline-browser-automation-for-local-app-testing
• /learn/how-to-use-cline-browser-automation-to-analyze-a-website
• /learn/how-to-evaluate-ai-browser-agents-for-enterprise-security
• /reviews/best-ai-browser-automation-tools-2026

Suggested incoming placements after publish:

• Add card on /reviews.
• Add AI browser/agentic browser card on /ai-tools if available through CMS content model.
• Add related link blocks from /compare/chatgpt-atlas-vs-perplexity-comet-2026 and /compare/dia-vs-perplexity-comet-2026.
• Add contextual links from Cline browser automation tutorials to the Browser Use and security caveat sections.
• Add commercial CTA from /reviews/best-ai-workflow-automation-tools-2026 for readers evaluating browser agents as workflow automation.

## Official Sources Checked

• Perplexity Comet Help: https://www.perplexity.ai/help-center/en/articles/11172798-getting-started-with-comet
• Perplexity Comet Assistant permissions: https://www.perplexity.ai/help-center/en/articles/13531023-managing-comet-assistant-permissions
• Comet browser help on Assistant controls: https://comet-help.perplexity.ai/en/articles/12658082-control-what-comet-assistant-can-use
• Comet privacy/data use: https://comet-help.perplexity.ai/en/articles/12867415-comet-assistant-privacy-data-use
• OpenAI Atlas launch: https://openai.com/index/introducing-chatgpt-atlas/
• OpenAI Atlas help: https://help.openai.com/en/articles/12628555-getting-started-with-atlas
• Dia Pro: https://www.diabrowser.com/pro
• Opera Neon subscription: https://www.operaneon.com/subscription
• Opera Neon FAQ: https://help.opera.com/en/neon-ai-faq/
• Opera Neon MCP update: https://blogs.opera.com/news/2026/03/opera-neon-adds-mcp-connector-to-the-browser/
• Browser Use pricing docs: https://docs.browser-use.com/cloud/pricing
• Fellou pricing: https://fellou.ai/pricing
• BrowserOS GitHub: https://github.com/browseros-ai/BrowserOS
• BrowserOS BYO agent blog: https://www.browseros.com/blog/bring-your-own-agent
• Tandem Browser changelog: https://tandembrowser.org/changelog
• H Company Surfer 2: https://hcompany.ai/surfer-2

## Claims Deliberately Avoided Or Softened

• Did not state that Comet is free for all users on every platform; plan entitlements and platform parity should be rechecked at import.
• Did not state that Atlas is available beyond macOS; current OpenAI help still documents Apple silicon macOS support.
• Did not hard-code Dia's price in the main recommendation; official dynamic pages should be rechecked by Publisher.
• Did not claim Opera Neon exposes a fixed model roster forever; Opera says the mix can evolve.
• Did not treat BrowserOS or Tandem as enterprise-ready defaults; maturity and release status need review.
• Did not claim any browser agent reliably handles MFA, CAPTCHAs, anti-bot checks, banking, payments, or admin actions unattended.
• Did not translate benchmark scores into production reliability for Surfer 2.

## Publisher Notes

• Do not publish without final CMS preview validation.
• Before import, recheck exact platform/download pages for Comet, Atlas, Dia, Opera Neon, BrowserOS, and Tandem.
• Keep this article as a roundup hub, then use comparison pages for narrow purchase decisions.
• Use a visible caveat near pricing: Pricing, model access, usage limits, and supported platforms were checked June 3, 2026 and may change.