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OpenAI
GPT-5.3 Codex
gpt-5.3-codex
Coding
Pricing (USD per 1M tokens)
| Group | Input | Output | Cache write | Cache read |
|---|---|---|---|---|
| OpenAI list price | $1.75 | $14 | $1.75 | $0.175 |
| Official · 0.85× | $1.49 | $11.9 | $1.49 | $0.149 |
OpenAI charges no cache-write surcharge: a cache write costs the normal input price. Cache read is the cached-input price.
Capabilities
- Chat
- Code
- Function calling
- Prompt caching