Providers & pricing
| Provider | Input | Output | Free tier |
|---|---|---|---|
 Azure Default | 3195.9 RODI/M~5.00 USD/M | 19175.2 RODI/M | — |
 OpenAI | 3195.9 RODI/M~5.00 USD/M | 19175.2 RODI/M | — |
Pricing
| Rate | RODI | USD (ref.) | Unit |
|---|---|---|---|
| In | 3195.9 | ~ 5.00 | USD/M · RODI/M |
| Out | 19175.2 | ~ 30.00 | USD/M · RODI/M |
| Cached | 319.6 | ~ 0.500 | USD/M · RODI/M |
RODI prices include RodiumAi markup and upstream fees. USD figures are wholesale reference rates.
Capabilities
Streaming
Tool calling
Vision
JSON mode
Reasoning
About this model
GPT-5.6 Sol is OpenAI's flagship frontier model in the GPT-5.6 family, built to deliver faster, more reliable results for complex professional work. The gpt-5.6 alias routes to Sol. Supports reasoning (none → max), pro mode, vision, tools, and long context.
API usage
Use the canonical model slug in your chat completion requests.
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