Six agents.
One prompt.
Every major CLI coding agent — Claude, Codex, Copilot, Cursor, Gemini, and OpenCode — running in parallel sandboxes. Compare results. Pick the best.
Claude
Sonnet 4.5
Codex
GPT-5
Cursor
Claude 4.5
Copilot
Claude 4.5
Gemini
2.5 Pro
OpenCode
Claude 4.5
Everything you need
From prompt to PR — automatically
Smart Router
Two-phase routing picks the best model for every request. Automatic fallback when providers fail.
Orchestrator
Autonomous Analyze → Plan → Execute → Verify loop with self-healing on type errors and test failures.
Visual QA
Playwright browser automation takes screenshots. Vision models critique and auto-fix UI issues.
Sandbox Pipeline
Full lifecycle in Vercel Sandboxes: clone, install, build, typecheck, test, lint, preview.
Git & PRs
AI-generated branches and commits. Create, merge, and revert PRs — all from the UI.
API & Streaming
OpenAI-compatible endpoint with real-time SSE streaming. Idempotency keys and job cancellation.
Start building — free
No credit card. Connect your GitHub, pick a repo, and let six agents compete on your task.