# Devin vs Otto Engineer Devin records 2,549,346 monthly visits with +1% month-over-month growth and Paid pricing. Otto Engineer records 0 monthly visits with 0% growth and Free pricing. | Metric | [Devin](https://openaitools.app/tool/devin) | [Otto Engineer](https://openaitools.app/tool/otto-engineer) | | :--- | :--- | :--- | | Website URL | https://devin.ai | https://otto.engineer | | Categories | AI Code Assistant, AI Agent, AI Developer Tools | AI Agent, AI Testing, AI Code Assistant, AI Code Generator | | Pricing Model | Paid | Free | | Monthly Visits | 2,549,346 | 0 | | MoM Growth Rate | +1% | 0% | | Primary Market | United States | Global | | Direct Visits | 1,386,401 | 0 | | Review Score | 4.3 | 4.2 | | Saved Count | 0 | 0 | | Supported Platforms | website | Website | ## Devin Devin sits at the agentic end of the AI coding spectrum. Instead of suggesting the next line, it takes a ticket-level goal - "add SAML SSO for enterprise customers" or "investigate this API latency spike" - explores the codebase across repositories, implements changes, runs tests, and explains the resulting pull request in plain language. It maintains a wiki-style map of the codebase so it can navigate unfamiliar services and keep documentation current as the code changes. A defining feature is that Devin works on its own machine. It provisions Windows, Mac, and Linux virtual machines as needed, builds the project, exercises it in a browser, and can record itself clicking through the feature it just built. Long-running work continues in the cloud when your laptop is closed, and large tasks can be split across parallel agents that Devin coordinates and reports on. For teams, Devin extends beyond one-off prompts. You can tag @Devin in Slack or Teams so it reads a thread and replies with a PR, set up automations that fix failing tests or patch vulnerable dependencies as they appear, and run security reviews. Pricing is seat-based and enterprise-oriented, with an Ultra tier for heavier autonomous usage, and Cognition has marketed large security-credit programs for enterprises. **Pricing & Plans:** Paid, enterprise-oriented. Devin is sold on a per-seat subscription with tiered plans (including higher-capacity tiers for heavier autonomous use) plus usage allowances; Cognition also runs credit programs and enterprise agreements. Because plans and credit packages change, check Cognition's official pricing page for current numbers. - **End-to-end autonomous coding:** Devin plans, writes code, runs tests, and opens pull requests across complex, multi-repository codebases without waiting for line-by-line approval. - **Its own virtual machines:** 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. - **Slack, Teams, and alert integration:** Mention @Devin in a thread to delegate a fix, or connect CI, PagerDuty, and issue trackers so it reacts to failures and alerts automatically. - **Parallel cloud agents:** Delegate a large task and Devin splits it across parallel cloud agents that keep working after you close your laptop, then reports back. - **Codebase wiki and automations:** Devin maintains a living map of the architecture and supports recurring automations such as dependency upgrades, test fixes, and security scans. **Strengths:** Handles ticket-level autonomous work rather than only suggesting code completions; Tests in its own browser and VMs, which catches issues that pure code generation misses; Deep workflow integration with Slack, Teams, CI, and alerting tools; Keeps working in parallel cloud agents even when your machine is off **Limitations:** Premium, seat-based pricing puts it out of reach for casual individual use; Complex or poorly specified tasks still need human review before merging; Maximum value depends on having a well-structured repo and clean test setup [Profile (Markdown)](https://openaitools.app/tool/devin.md) ## Otto Engineer Otto Engineer is an autonomous AI coding assistant built around the idea of a 'sidekick' that does not just suggest code but actually runs it. You describe a task, and Otto plans the changes, writes the code, executes it inside an isolated web container and checks whether the result matches the goal. The distinguishing feature is the container-based loop. Because Otto can install npm packages, run scripts and observe errors in a sandbox, it can debug and prototype without touching your local machine or production environment. That makes it well suited to quick experiments, throwaway projects and fixing issues that only appear at runtime. Otto is presented as a free tool and its positioning emphasises TypeScript and npm workflows, which are the default stack for many web projects. Details like exact runtime limits and supported stacks are best confirmed on the site itself, but the product's core promise is straightforward: an autonomous coding agent that iterates until the code works. **Pricing & Plans:** Free. Otto Engineer is positioned as a free autonomous coding tool, with no paid tier published on the reachable site. - **Iterate and test code:** The agent edits files, runs the project in a sandboxed container and reacts to real execution output rather than guessing. - **Safe web containers:** Code runs in isolated web containers, so experiments, package installs and scripts stay contained and safe. - **TypeScript and npm workflows:** It works with JavaScript and TypeScript projects, including npm-based dependencies, which covers a large share of modern web development. - **Task-level autonomy:** Instead of only suggesting snippets, Otto carries a task through to a running result, handling setup and fixes along the way. - **Developer-friendly prompting:** Describe the change or bug you want handled and let the agent work, then review the diff and output. **Strengths:** Runs and tests code in sandboxes rather than only suggesting snippets; Handles JavaScript/TypeScript and npm projects; Free to use; Good fit for prototyping and runtime debugging [Profile (Markdown)](https://openaitools.app/tool/otto-engineer.md) ## Frequently Asked Questions ### How do Devin and Otto Engineer compare in monthly traffic? Devin has 2,549,346 monthly visits, while Otto Engineer has 0. Traffic estimates describe audience size, not product quality. ### How do their growth rates compare? Devin has a month-over-month growth rate of +1%; Otto Engineer has 0%. ### How does pricing compare? Devin: Paid. Paid, enterprise-oriented. Devin is sold on a per-seat subscription with tiered plans (including higher-capacity tiers for heavier autonomous use) plus usage allowances; Cognition also runs credit programs and enterprise agreements. Because plans and credit packages change, check Cognition's official pricing page for current numbers. Otto Engineer: Free. Free. Otto Engineer is positioned as a free autonomous coding tool, with no paid tier published on the reachable site. ## Alternatives | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [Cursor](https://openaitools.app/tool/cursor) | 23,297,751 | +8.4% | Freemium | The AI coding agent for building ambitious software | [.md](https://openaitools.app/tool/cursor.md) | | 2 | [Manus](https://openaitools.app/tool/manus) | 19,195,779 | -1.7% | Free Trial | A general autonomous agent platform executing multi-step goals and browsers, suitable for broader web and coding workflows. | [.md](https://openaitools.app/tool/manus.md) | | 3 | [Google Antigravity](https://openaitools.app/tool/google-antigravity) | 16,054,109 | +8.1% | Freemium | Google's agent-first development platform for building and shipping software with AI agents | [.md](https://openaitools.app/tool/google-antigravity.md) | | 4 | [Replit](https://openaitools.app/tool/replit) | 10,016,437 | -7.7% | Freemium, Paid | Describe your idea and Replit builds a working app in minutes | [.md](https://openaitools.app/tool/replit.md) | | 5 | [Qoder](https://openaitools.app/tool/qoder) | 5,145,040 | +81.8% | Freemium, Free Trial, Free | An agentic coding platform and IDE plugin that reads entire codebases to execute complex multi-file tasks. | [.md](https://openaitools.app/tool/qoder.md) | | 6 | [Kiro](https://openaitools.app/tool/kiro) | 3,330,476 | +4.6% | Freemium | A spec-driven AI IDE and agent platform that plans, builds, reviews, and verifies real engineering work. | [.md](https://openaitools.app/tool/kiro.md) | | 7 | [Command Code](https://openaitools.app/tool/command-code) | 2,358,177 | -12.1% | Freemium, Contact for Pricing | The coding agent that learns your coding taste | [.md](https://openaitools.app/tool/command-code.md) | | 8 | [Orca](https://openaitools.app/tool/orca) | 1,025,891 | +1% | Free, Open Source, Enterprise on request | Run many coding agents in parallel, each in its own worktree | [.md](https://openaitools.app/tool/orca.md) | | 9 | [KaneAI](https://openaitools.app/tool/kaneai) | 901,340 | +13.2% | Freemium, Paid, Contact for Pricing | GenAI-native end-to-end QA agent that plans, writes and heals tests in plain language | [.md](https://openaitools.app/tool/kaneai.md) | | 10 | [Trae](https://openaitools.app/tool/trae) | 702,366 | -7.8% | Freemium | An AI IDE and coding agent that works on your project, not just your cursor | [.md](https://openaitools.app/tool/trae.md) | --- Source: https://openaitools.app/compare/devin-vs-otto-engineer More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)