GPT-5.3 Codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
openai/gpt-5.3-codex- Lab
- OpenAI
- Family
- gpt-codex
- Providers
- 33
- Context
- 400,000
- Output limit
- 128,000
- Knowledge
- 2025-08
- Release
- 2026-02-05
- Updated
- 2026-02-05
- Weights
- Closed
- Input
- Output types
- Capabilities
- tools, reasoning, temperature
Providers
33| Abacus | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
|---|---|---|---|---|---|---|---|---|---|
| Abacus | OpenAI | gpt-5.3-codex-xhigh | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | No |
| AI/ML API | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $3.703 / $29.624 | Yes | Yes | Yes | Yes |
| AIHubMix | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | No |
| CommandCode | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $2.00 / $8.00 | Yes | Yes | Yes | Yes |
| DevPass (LLM Gateway) | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| DigitalOcean | OpenAI | openai-gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | No |
| Eden AI | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| FastRouter | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| FreeModel | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| FrogBot | OpenAI | gpt-5-3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | - | No |
| GitHub Copilot | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| GitLab Duo | OpenAI | duo-chat-gpt-5-3-codex | 400,000 | 128,000 | $0.00 / $0.00 | Yes | Yes | Yes | Yes |
| Impossibl | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| Kilo Gateway | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | No |
| LLM Gateway | OpenAI | azure/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | No | Yes |
| LLM Gateway | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | No | Yes |
| NanoGPT | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| Neon | OpenAI | gpt-5-3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| Ofox | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| OpenAI | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| OpenCode | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| OpenRouter | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | No |
| Opper | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | No |
| OrcaRouter | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| Poe | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.5909 / $12.7273 | Yes | Yes | - | No |
| Prime Inference | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | No |
| Requesty | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| Venice AI | OpenAI | openai-gpt-53-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| Vercel AI Gateway | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | Yes |
| Vercel AI Gateway | OpenAI | openai/gpt-5.3-codex-fast | 400,000 | 128,000 | $3.50 / $28.00 | Yes | Yes | Yes | Yes |
| Vivgrid | OpenAI | gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | Yes | No |
| ZenMux | OpenAI | openai/gpt-5.3-codex | 400,000 | 128,000 | $1.75 / $14.00 | Yes | Yes | - | Yes |
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