OpenCode vs OpenAI Codex
Short answer: Both are CLI coding agents. OpenAI Codex has the lower entry price ($8/month vs $10/month for OpenCode). Both OpenCode and OpenAI Codex have a free plan.
| OpenCode | OpenAI Codex | |
|---|---|---|
| Type | CLI coding agents | CLI coding agents |
| Vendor | SST / Anomaly | OpenAI |
| Status | Active | Active |
| Free plan | Yes ("OpenCode is 100% free to use" (MIT license); includes some free models.) | Yes (Codex is included in ChatGPT Free (quick coding tasks).) |
| Paid plans from | $10/mo | $8/mo |
| Plans | OpenCode (open source): Free · Go: $10 · Go Plus: $40 · Zen: — | Free: Free · Go: $8 · Plus: $20 · Pro: $100 · Business: $25 · Enterprise & Edu: — |
| Open source | Yes (MIT) | Not verified yet |
| Editors named on vendor page | terminal/CLI | terminal/CLI |
| Features named on vendor page | local models | MCP, self-hosting, code review, code completion, security scanning, background/cloud agents, SSO/SAML |
| Model families named | Claude, OpenAI GPT, Gemini | Claude, OpenAI GPT |
| Checked | Oct 26, 2026 | Oct 26, 2026 |
“Named on vendor page” means the phrase appears on the vendor's own page we captured; it is not a hands-on test. Unknown values are left blank rather than guessed.
FAQ
Is OpenCode cheaper than OpenAI Codex?
OpenAI Codex has the lower entry price ($8/month vs $10/month for OpenCode). Prices are from each vendor's pricing page.
Do OpenCode and OpenAI Codex have free plans?
Both OpenCode and OpenAI Codex have a free plan.
What is the difference between OpenCode and OpenAI Codex?
Both are CLI coding agents. OpenCode is made by SST / Anomaly; OpenAI Codex is made by OpenAI. See the table for plans, editors and features each vendor names.
Sources
- https://opencode.ai/
- https://opencode.ai/go
- https://opencode.ai/zen
- https://developers.openai.com/codex/pricing
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