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OpenAI
GPT-5.6 Sol
gpt-5.6-sol
Previous gen
Pricing (USD per 1M tokens)
| Group | Input | Output | Cache write | Cache read |
|---|---|---|---|---|
| OpenAI list price | $4 | $20 | $4 | $0.4 |
| Official · 0.85× | $3.4 | $17 | $3.4 | $0.34 |
OpenAI charges no cache-write surcharge: a cache write costs the normal input price. Cache read is the cached-input price.
Capabilities
- Chat
- Function calling
- Reasoning
- Prompt caching