GPT-5.6 Sol Pro is GPT-5.6 Sol run in OpenAI's pro reasoning mode, which performs more model work per request for difficult tasks that justify higher latency and token use. It is the same underlying model, with text and image input, text output and a context window of about 1.05M tokens.
Modalities
In / out price
$4.00 / $20.00per 1M
Cached price
$0.40per 1M
Context
1M
Max output
128K
Providers
1 routeCompare providers by price, privacy, and speed.
| Anonymous | $4.00$8.00 over 272K, not applied yet | $20.00$30.00 over 272K, not applied yet | $0.40$0.80 over 272K, not applied yet | 1M | 128K | — | — |
Privacy
1 / 4Anonymous routing
Anonymous tier
- Anonymous
- Private
- TEE
- E2EE
Your identity is hidden from the inference provider. The inference provider can see prompt content; zero retention is not guaranteed. Learn more
Features
7Streaming
Tool calling
Reasoning
Vision
JSON/schema
Web search
Prompt caching
Uptime
FAQ
Common questions about GPT-5.6 Sol Pro.