OpenAI
GPT-5.6 Sol Pro
Modalities
Current pricing
Effective rows only. When two sources disagree, both are shown and neither is picked for you.
output token
$20.00 / 1M tokens
Price unchanged since 10/15/2026, last confirmed 10/15/2026 per OpenRouter model catalog · not yet cross-checked against a second source
cached input token
$0.40 / 1M tokens
Price unchanged since 10/15/2026, last confirmed 10/15/2026 per OpenRouter model catalog · not yet cross-checked against a second source
input token
$4.00 / 1M tokens
Price unchanged since 10/15/2026, last confirmed 10/15/2026 per OpenRouter model catalog · not yet cross-checked against a second source
Where to use GPT-5.6 Sol Pro
8 providers in the catalog list this model. Resellers and gateways often charge a different price from the model maker; check their terms, rate limits and data policies as well as price.
| Provider | Input / 1M tokens | Output / 1M tokens |
|---|---|---|
| OpenAIFirst-party | $2.00 | $10.00 |
| OpenAIFirst-party(this page) | $4.00 | $20.00 |
| NanoGPT | $2.00 | $10.00 |
| Openrouter | $4.00 | $20.00 |
| 302.AI | $5.00 | $30.00 |
| Prime Inference | $5.00 | $30.00 |
| Venice AI | $5.00 | $25.00 |
| AI/ML API | $5.50 | $27.51 |
Price history
Recorded changes for this listing. Prices are versioned, never overwritten.
- 10/15/2026cached input token$0.20 → $0.40 / 1M tokensOpenRouter model catalog
- 10/15/2026output token$10.00 → $20.00 / 1M tokensOpenRouter model catalog
- 10/15/2026input token$2.00 → $4.00 / 1M tokensOpenRouter model catalog
- 10/5/2026cached input token$0.40 → $0.20 / 1M tokensOpenRouter model catalog
- 10/5/2026input token$4.00 → $2.00 / 1M tokensOpenRouter model catalog
- 10/5/2026output token$20.00 → $10.00 / 1M tokensOpenRouter model catalog
- 9/29/2026cached input token$0.20 → $0.40 / 1M tokensOpenRouter model catalog
- 9/29/2026output token$10.00 → $20.00 / 1M tokensOpenRouter model catalog
- 9/29/2026input token$2.00 → $4.00 / 1M tokensOpenRouter model catalog