GPT-5.3 Codex
openai-main/gpt-5.3-codex
- Tools
- JSON mode
- Vision
- Streaming
Released Feb 5, 2026
- Context
- 400K
- Max out
- 128K
- From / 1M
- $1.75
- Intelligence
- 32.5
41st of 123
Providers
- OpenAIopenai-main/gpt-5.3-codexInput / 1M$1.75Output / 1M$14.00Cache read / 1M$0.175Speed20.7 t/sFirst token748 ms