OpenCode

Open-source AI coding agent built for the terminal.

Facts

Made by: anomalyco (formerly sst)
Interface: Terminal UI
Models: Model-agnostic (bring your own)
Licence: MIT
How it's billed: Open source. You pay your chosen model provider. See the vendor's site for any hosted options. Vendor pricing
GitHub stars: 217,195 (live from GitHub API, 2026-10-19)
Links: Website/docs · github.com/anomalyco/opencode

Popularity ×30%100

Adoption ×20%100

Activity ×25%100

Momentum ×15%99

Openness ×10%100

Computed from public GitHub data. This measures traction and upkeep, not how well the agent does tasks. How the score works

Not yet tested

No verified run yet. We don't estimate.

Embed (Markdown)

Suggested headless invocation. Check it against the agent's current docs, because CLI flags change.

node harness/run.mjs run --task auth-fix-01 --agent opencode \
  --cmd 'opencode run "$(cat TASK.md)"'