GPT-5.6
Updated Sep 11, 2026
gpt-sol1.1M context128k max outputreleased Jul 9, 2026ReasoningTool calling
Official (OpenAI)
$20
output per 1M tokens
Providers
2
offering this model
Spread
1.7×
max / min output
Offers
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context |
|---|
| Xpersona | Cheapest$1.5 | Cheapest$12 | $0.15 | — | 372k |
| OpenAI | †$4 | $20 | $0.4 | $5 | 1.1M |