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Head-to-head · Ai Agents Assistants

Comet vs Devin

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Comet #4 in Ai Agents Assistants 8.9/10 Free plan Free plan✓ 0 of 6 features Visit Comet
Devin #8 in Ai Agents Assistants 8.5/10 Free plan Free plan✓ 0 of 6 features Visit Devin

Comet leads on 0 checks, Devin on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreComet · 8.9/10
  • Free planboth

Comet scores higher on our rubric for ai agents assistants: 8.9 against 8.5 out of 10; our editors rank them #4 and #8.

Comet is the better fit for people who want an AI-enabled browsing assistant. Devin is the better fit for engineering teams automating repository workflows.

  • Comet fits best

    People who want an AI-enabled browsing assistant

  • Devin fits best

    Engineering teams automating repository workflows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Comet 8.9/10 Visit ↗ Devin 8.5/10 Visit ↗
At a glance
Editor score 8.9 8.5
Ranking #4 in Ai Agents Assistants #8 in Ai Agents Assistants
Best for People who want an AI-enabled browsing assistant Engineering teams automating repository workflows
Pricing model Free Free plan + paid
Starting price Free plan $20/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop, Mobile Cloud, Desktop
Platforms macOS, Windows, iOS, Android Web, Windows, macOS, Linux
Support Email Email, Docs
Compliance SOC 2, GDPR, HIPAA SOC 2, ISO 27001
Integrations 2 integrations 10 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Comet 0/6 · Devin 0/6
Browser automation Not checked yet Not checked yet
Workflow builder Not checked yet Not checked yet
Multi-agent support Not checked yet Not checked yet
API access Not checked yet Not checked yet
Knowledge connectors Not checked yet Not checked yet
Self-hosted option Not checked yet Not checked yet
Specs
Included team seats Not checked yet Not checked yet
Our review
Pros
  • Summarizes web pages, videos, PDFs, and social content
  • Compares information across open tabs and can fill forms
  • Runs on desktop and mobile with Chrome extension support
  • Handles coding, testing, bug fixing, migrations, and refactoring tasks.
  • Connects with GitHub, GitLab, Bitbucket, Slack, Teams, Jira, and Linear.
  • Free plan includes limited usage, Devin Review, and DeepWiki.
Cons
  • Some assistant capabilities may depend on a Perplexity subscription
  • Integrations are limited to Gmail and Google Calendar
  • Browser task automation may not suit users who prefer manual control
  • Its focus is software engineering rather than general-purpose assistance.
  • Pro and Max have usage quotas; Pro also has a daily cap.
  • Teams has an $80 monthly minimum, with full seats priced separately.
Our verdict

Comet brings Perplexity’s assistant into a web browser for people who want help understanding and acting on what they are viewing. It can answer questions about the current page, summarize web pages, videos, PDFs, and social media content,…

Read the review →

Devin is Cognition’s autonomous AI software engineer for individuals and engineering teams. It can plan and carry out multi-step coding tasks, write and test code, investigate bugs, refactor or migrate code, and review pull requests.…

Read the review →
  1. CometAi Agents Assistants 8.9Free plan
  2. DevinAi Agents Assistants 8.5Free plan

Strengths and trade-offs

  • Comet — where it wins

    • Summarizes web pages, videos, PDFs, and social content
    • Compares information across open tabs and can fill forms
    • Runs on desktop and mobile with Chrome extension support

    Where it doesn't

    • Some assistant capabilities may depend on a Perplexity subscription
    • Integrations are limited to Gmail and Google Calendar
    • Browser task automation may not suit users who prefer manual control

  • Devin — where it wins

    • Handles coding, testing, bug fixing, migrations, and refactoring tasks.
    • Connects with GitHub, GitLab, Bitbucket, Slack, Teams, Jira, and Linear.
    • Free plan includes limited usage, Devin Review, and DeepWiki.

    Where it doesn't

    • Its focus is software engineering rather than general-purpose assistance.
    • Pro and Max have usage quotas; Pro also has a daily cap.
    • Teams has an $80 monthly minimum, with full seats priced separately.
  • Comet8.9/10 · Free plan

    A free browser assistant for summarizing pages, comparing tabs, and automating browser tasks.

    Visit CometFull verdict →
  • Devin8.5/10 · Free plan

    Devin automates multi-step engineering work, with plans for individual and team use.

    Visit DevinFull verdict →

More comparisons

All ai agents assistants comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update