OpenCode
SST / AnomalyTerminal coding agent from the Anomaly team, deliberately provider-agnostic across more than seventy model providers including hosted and local models. It offers a native terminal interface with multi-session parallel agents, shareable session links, automatic LSP loading, and a client/server architecture.
The repository was renamed from sst/opencode to anomalyco/opencode and the old URL redirects. Verified 2026-08-13 via the opencode repository, the opencode.ai product site and the npm registry.
Openness
5 high confidence- license
- MIT(OSI)
- source
- public
- core-gated
- ungated
Fully MIT: the repo publishes the whole TUI agent and calls itself "the open source AI coding agent", the npm registry metadata for opencode-ai declares the same MIT license on the shipped package, and there is no paid tier, enterprise directory or license key.
- https://github.com/sst/opencode recorded 2026-08-13
MIT license, full public source for the TUI agent, 197.0k stars and 25.3k forks; no paid tier or enterprise directory
- https://registry.npmjs.org/opencode-ai/latest recorded 2026-08-13
npm registry metadata for the shipped package declares license MIT, version 1.18.18
Adoption
4 medium confidence197.0k GitHub stars and active npm distribution through opencode-ai. The npm registry download API returns 8,643,056 downloads for opencode-ai over the trailing month, which bands at level 4 (1M-10M) on the software adoption scale. npm is the product's declared and primary distribution channel, so that is a counted figure rather than a reported claim.
- https://api.npmjs.org/downloads/point/last-month/opencode-ai recorded 2026-08-13
8,643,056 downloads for opencode-ai over the trailing month
- https://registry.npmjs.org/opencode-ai/latest recorded 2026-08-13
npm opencode-ai, license MIT, version 1.18.18, active
- https://github.com/sst/opencode recorded 2026-08-13
197.0k stars, 25.3k forks (corroborating, not the basis)
Capability
5 high confidenceMatches/exceeds the coding-agent peers on breadth, with standout provider-neutrality and TUI/LSP polish.
- https://opencode.ai/ recorded 2026-08-13
LSP auto-loading, multi-session parallel agents, shareable session links, GitHub Copilot and ChatGPT Plus/Pro sign-in, 75+ LLM providers through Models.dev including local models
Verified 2026-08-13