OpenAI Codex vs OpenCode
OpenAI Codex (OpenAI) and OpenCode (Anomaly (SST team)) side by side on public data, as of Oct 6, 2026.
OpenAI Codex has 7.7x the weekly package downloads of OpenCode (25.6M against 3.3M). OpenAI Codex has 12.8x the VS Code extension installs of OpenCode (15.2M against 1.2M). OpenCode has 1.7x the GitHub stars of OpenAI Codex (212K against 128K). Over the last 30 days downloads moved +21% for OpenAI Codex and +6% for OpenCode. OpenCode shipped 40 stable releases in the past 90 days.
Side-by-side numbers
| Metric | OpenAI Codex | OpenCode |
|---|---|---|
| Pulse Score | 82 | 73 |
| Overall rank | #1 | #7 |
| Downloads, last 7 days | 25.6M | 3.3M |
| Downloads, 7-day change | up 5.7% | up 22.0% |
| Downloads, 30-day change | up 21.2% | up 6.1% |
| VS Code installs | 15.2M | 1.2M |
| Marketplace rating | 2.9 / 5 (725) | 3.8 / 5 (25) |
| GitHub stars | 128K | 212K |
| Homebrew installs, 30 days | 89.7K | 19.8K |
| Hacker News mentions, 30 days | 1,782 | 417 |
| Latest stable release | 0.160.1 · yesterday | 1.18.34 · 6d ago |
| Stable releases, 90 days | 40 | |
| Terminal-Bench (best run) | 58.2% · v4.0 | 51.7% · v2.0 |
| Price | Free + $8/mo | Free + $10/mo |
| License | Apache-2.0 | MIT |
| First released | April 2025 | May 2025 |
| Interfaces | CLI, IDE extension, Desktop, Web, Mobile, SDK | CLI, Desktop, IDE extension, Web, SDK |
| Models | OpenAI GPT models (GPT-6 family per current docs) via ChatGPT sign-in or an OpenAI API key | 75+ providers via Models.dev incl. local models; OpenCode Zen/Go curated models; GitHub Copilot and ChatGPT Plus/Pro logins |
Trends
OpenAI Codex
OpenAI's coding agent, offered as an open-source terminal CLI, an IDE extension, a desktop app and a cloud agent that works on repositories. Users sign in with a ChatGPT account or use an OpenAI API key.
Pricing: Included in ChatGPT plans: Free $0, Go $8/month, Plus $20/month, Pro from $100/month ($100, $200 or $500 tiers), Business $20/user/month billed annually ($25 monthly), Enterprise and Edu by contact. API-key use is billed at API rates (no cloud features).
Latest release 0.160.1:
- Preserve SYSTEMROOT, TEMP, and TMP when launching remote stdio MCP servers with explicitly configured remote environment variables, allowing Unix hosts to retain the Windows executor's startup…
- #51121: Backport Windows remote MCP environment preservation to 0.160.
OpenCode
Open-source coding agent from Anomaly (the team behind SST) that runs as a terminal UI, desktop app or IDE extension and connects to 75+ model providers, including local models and existing ChatGPT or GitHub Copilot logins.
Pricing: OpenCode is free and open source with free models included and support for any provider key. The optional OpenCode Go subscription is $10/month (Go Plus $40/month); OpenCode Zen is pay-as-you-go ($20 top-ups, per-request at provider rates with no markup).
Latest release 1.18.34:
- Send namespaced session and parent-session identity headers with model requests.
- Re-sign locally compiled macOS binaries so they run reliably on macOS 27+. (@ryangamerdev)
- Sign macOS CLI release binaries with a Developer ID.
- docs(web): correct GPT 6.1 Sol cache pricing