OpenAI
GPT-5.6 Sol API pricing
GPT-5.6 Sol is OpenAI’s model on the API market, released 9 Jul 2026. Prices are per million tokens in USD, as last read from the price list.
$2.00Input / 1M
$10Output / 1M
1.1MContext
128KMax output
Specification
USD per million tokens- Provider
- OpenAI
- Model id
openai/gpt-5.6-sol- Input
- $2.00
- Output
- $10
- Cached input
- $0.20
- Context window
- 1.1M tokens
- Maximum output
- 128K tokens
- Takes
- file, image, text
- Returns
- text
- Tool use
- Yes
- Reasoning
- Yes
- Released
- 9 Jul 2026
- First tracked
- 17 Sept 2026
At $2.00 per million input tokens, GPT-5.6 Sol is dearer than 259 of the 326 models on the price list.
Price changes
Tracked since 17 Sept 2026No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.
Coverage
3 stories- OpenAI News ·How GPT-5.6 Sol helps run quantum computing experiments
- OpenAI News ·Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed
- OpenAI News ·Model ML completes finance work more efficiently with GPT-5.6 Sol
Other entries for this model
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Prices and specifications come from OpenRouter’s catalogue, last read 17 Sept 2026. A provider’s own price may differ; how this is collected.