
The AI coding agent for building ambitious software
The AI coding agent for building ambitious software
Devin records 2,549,346 monthly visits with +1% month-over-month growth and Paid pricing. jcode records 18,136 monthly visits with -22.7% growth and Freemium, Contact for Pricing pricing.

Open-source Rust coding agents for your terminal, built for parallelism
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | devin.ai | jcode.sh |
| Pricing Model | Paid | Freemium, Contact for Pricing |
| Monthly Visits | 2.55M (2,549,346) | 18.14K (18,136) |
| MoM Traffic Delta | +25.38K (+1%) | -5.33K (-22.7%) |
| Primary Market & Share | 🇺🇸 United States (28.1%) | 🇺🇸 United States (66.1%) |
| Direct Visits / mo | 1.39M | 11.87K |
| User Rating | 4.3 | 4.2 |
| Supported Platforms | website | Website |
Cognition's autonomous software engineer that ships real pull requests
Devin plans, writes code, runs tests, and opens pull requests across complex, multi-repository codebases without waiting for line-by-line approval.
Devin provisions Windows, Mac, and Linux VMs, builds and runs the project, and tests in a real browser - even recording itself using the feature it built.
Mention @Devin in a thread to delegate a fix, or connect CI, PagerDuty, and issue trackers so it reacts to failures and alerts automatically.
Delegate a large task and Devin splits it across parallel cloud agents that keep working after you close your laptop, then reports back.

Open-source Rust coding agents for your terminal, built for parallelism
Each additional jcode session costs megabytes rather than hundreds of megabytes, and a new session is ready for input in well under a tenth of a second, so you can run many agents on hardware you already own.
Launch multiple agents in parallel, hand off long jobs to background or headless execution, and keep durable task state so work survives interruption.
The jcode bench suite (float-print, json-unescape, utf16-transcode) scores optimization depth on an analog axis with no capping timeouts, so capability differences stay visible.
Agents rate confidence when a task item is assigned and again when it is finished; a sudden jump triggers forced re-verification instead of blind acceptance.

The AI coding agent for building ambitious software
The AI coding agent for building ambitious software
SpecialistA general autonomous agent platform executing multi-step goals and browsers, suitable for broader web and coding workflows.
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Google's agent-first development platform for building and shipping software with AI agents
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The coding agent that learns your coding taste
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Free / Open-sourceA minimal, extensible terminal coding agent you can reshape
Free / Open-sourceA minimal, extensible terminal coding agent you can reshape
Free / Open-sourceRun many coding agents in parallel, each in its own worktree
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SpecialistAn AI IDE and coding agent that works on your project, not just your cursor
SpecialistAn AI IDE and coding agent that works on your project, not just your cursor

AI-powered terminal and agentic software factory for development teams

Agent orchestration platform for your whole software development lifecycle
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