Per MillionLLM API prices, tracked daily

gpt-5.6-sol API Pricing

gpt-5.6-sol on OpenAI costs $4.00 per 1M input tokens and $20.00 per 1M output tokens (as of ).

gpt-5.6-sol API Pricing. Source: the LiteLLM price list (MIT License)
Input$4.00 / 1M tokens
Output$20.00 / 1M tokens
Cached input (read)$0.40
Cache write$5.00
Batch input / output$2.00 / $10.00
Above 200K tokens (input / output)—
Context window922K tokens
Max output128K tokens
Supportsvision, tool calling, reasoning, prompt caching
Deprecation dateNone listed
API model idgpt-5.6-sol
In our records since

What it costs for common jobs

Estimated from the list price above (no caching or batch discount).

What it costs for common jobs. Source: the LiteLLM price list (MIT License)
JobEstimated cost
1,000 chat replies (2,000 tokens in, 500 out each)$18.00
Summarising 100 long documents (50,000 in, 1,000 out each)$22.00
1 million classification calls (300 in, 5 out each)$1300.00

Try your own numbers in the LLM API cost calculator.

Price history

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Similarly priced models. Source: the LiteLLM price list (MIT License)
ModelProviderInput / 1MOutput / 1MCached input / 1MContext
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