OpenAI Codex
Cloud and local software engineering agent integrated with GitHub.
- ✓ Parallel cloud sandbox task execution
- ✓ Interactive local CLI & IDE extension
- ✓ Direct GitHub PR generation and review
OpenAI’s sandboxed engineering agent tackles parallel bug fixes, PR reviews, and CLI refactors inside isolated containers preloaded with your repo dependencies. Available inside ChatGPT Free (limited), Go ($8), Plus ($20), and Pro tiers.
Why builders pick OpenAI Codex
What it does
Cloud and local software engineering agent integrated with GitHub.
Who it’s for
Builders and teams looking for a coding tool with a free tier to try first.
How it ranks
#4 of 8 in Coding and #4 of 24 overall, by builder upvotes on Vigas.
Compare OpenAI Codex with coding alternatives
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How much does OpenAI Codex cost?
OpenAI Codex uses a freemium pricing model, letting you start free before upgrading for higher limits or team controls.
Where does OpenAI Codex rank among Coding AI tools?
OpenAI Codex currently ranks #4 of 8 tools in Coding and #4 of 24 overall on Vigas, holding a 4.7/5 rating across 4,050 builder upvotes.
Does OpenAI Codex work with the Vigas API?
OpenAI Codex operates as an independent application (Freemium). You can compare its performance or build comparable workflows via the Vigas API.
What is the closest alternative to OpenAI Codex?
Cursor is a top alternative in the Coding category (★ 4.8/5, Freemium pricing) with 4,610 upvotes on Vigas.
Building your own? One key, every model.
Vigas routes to every frontier model through one OpenAI-compatible endpoint, with prepaid credits and honest prices.