Devin
Autonomous cloud software engineer that takes tickets through to tested pull requests
Autonomous cloud software engineer that takes tickets through to tested pull requests
Agentic AI browser that plans and runs multi-step web tasks for you
Devin is listed under Coding AI and Fellou under AI Agents. Devin scores higher in FinderAtlas's editorial review (8.2 vs 7.3 out of 10), led by ease of use and value for money. Both have a free plan or trial. Only Devin is available on Web, CLI and Slack App and offers an API. Only Fellou is available on macOS.
Devin
20 features compared.
Plans as listed by each vendor. Check their sites for current prices.
$0
Light quota to code with agents
$20/month
Individual plan with increased quota
$200/month
Individual plan for power users
$80/month
$80 per month for the team plan plus $40 per month per full dev seat
Custom/custom
Contact sales; billed in ACUs
$0
Starter tier with a one-time Sparks bonus
$19/month
Entry paid plan for regular users
$39.90/month
Higher monthly Sparks allowance
$199.90/month
Heavy usage with unlimited Sparks
Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.
Devin leads in 2 categories and Fellou in 0.
Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.
Picked by our editors. Not paid placement.
AI Assistants
Anthropic's AI assistant for writing, analysis, coding and working with files
Coding AI
Anthropic's coding agent that edits code and runs commands from terminal, IDE or browser
Coding AI
AI coding agent and VS Code-based editor for multi-file edits and cloud agents
It depends on your workflow. Devin is built for Well-scoped tickets and bug fixes. Fellou is built for Multi-source research reports, repetitive web workflows, data collection and form filling, scheduled recurring tasks.
Devin: Autonomous cloud software engineer that takes tickets through to tested pull requests. Fellou: Agentic AI browser that plans and runs multi-step web tasks for you.
Yes, both do. Devin is freemium and Fellou is freemium, and each has a free plan or trial.
Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.