GPT-5.6 Sol Pro pricing & benchmarks
GPT-5.6 Sol Pro is available from OpenAI at $4.00 per million input tokens and $20.00 per million output tokens ($8.00 blended at 3:1). It accepts up to 1,050,000 tokens of context. GPT-5.6 Sol Pro is the same underlying model as [GPT-5.6 Sol](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...
Pricing
Per million tokens · OpenRouter
Input$4.00
Output$20.00
Blended (3:1)$8.00
Specification
openai/gpt-5.6-sol-pro
Context window1.1M
Max output128K
ReleasedJul 2026
LicenceProprietary
Modalitiesin:text, in:image, in:file, out:text
No independently-run benchmark scores are published for GPT-5.6 Sol Pro yet. We show nothing rather than reprinting an unverified figure.
Where to run GPT-5.6 Sol Pro
5 options across 2 providers · 4.0× between cheapest and dearest. Blended at 3:1. ⚠ marks an option serving less context than the best available, or re-pricing above a prompt-length threshold. Bracketed labels are the provider's own service tier or region.
| Host | Blended $/1M | In / Out | Context | Uptime 24h |
|---|---|---|---|---|
| OpenAI (flex) ⚠ re-prices above 272K prompt tokens ($4.00/$15.00) |
$4.00 | $2.00 / $10.00 | 1.1M | — |
| Azure ⚠ re-prices above 272K prompt tokens ($8.00/$30.00) |
$8.00 | $4.00 / $20.00 | 1.1M | 100.0% |
| OpenAI ⚠ re-prices above 272K prompt tokens ($8.00/$30.00) |
$8.00 | $4.00 / $20.00 | 1.1M | 100.0% |
| Azure (eu) ⚠ re-prices above 272K prompt tokens ($8.80/$33.00) |
$8.80 | $4.40 / $22.00 | 1.1M | 100.0% |
| OpenAI (fast) ⚠ re-prices above 272K prompt tokens ($16.00/$60.00) |
$16.00 | $8.00 / $40.00 | 1.1M | — |
Host prices and uptime from OpenRouter, synced 2026-10-22.
Subscriptions that include GPT-5.6 Sol Pro
Consumer plans whose published model list names this model
Compare GPT-5.6 Sol Pro
FAQ
How much does GPT-5.6 Sol Pro cost?
GPT-5.6 Sol Pro costs $4.00 per million input tokens and $20.00 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $8.00 per million tokens.
What is GPT-5.6 Sol Pro's context window?
GPT-5.6 Sol Pro accepts up to 1,050,000 tokens of context, and can generate up to 128,000 output tokens.