OpenAI: GPT-5.6 Sol Pro

Pricing, context window and lifecycle for openai/gpt-5.6-sol-pro, tracked from what the vendor publishes.

Price per million tokens

Input$2.00
Output$10.00
Cache price (read)$0.200
Cache price (write)$2.50
Max price$10.00

Facts

Model IDopenai/gpt-5.6-sol-pro
VendorOpenAI
Token limit (context window)1,050,000 tokens
Knowledge cutoff2026-02-16
End of lifenone published

Supported parameters

include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools

Other OpenAI models

Change history

Every change we have observed since tracking began.

DetectedChangeDetail
2026-08-22 19:14Pricing ChangeOutput $15.00 -> $10.00 (-33.3%) · Cache price (read) $0.250 -> $0.200 (-20.0%) · Cache price (write) $3.12 -> $2.50 (-20.0%) · overrides - -> - · Input $2.50 -> $2.00 (-20.0%)
2026-08-17 19:14Pricing ChangeOutput $30.00 -> $15.00 (-50.0%) · Cache price (read) $0.500 -> $0.250 (-50.0%) · Cache price (write) $6.25 -> $3.12 (-50.0%) · overrides - -> - · Input $5.00 -> $2.50 (-50.0%)

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