OpenAI: GPT-5.6 Sol Pro.
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. Learn more in OpenAI's do
No self-host path — closed weights.
OpenAI: GPT-5.6 Sol Pro's weights aren't published. Use it via the access providers below.
Cheapest hosted endpoints.
| Provider | Access | $/M in | $/M out | |
|---|---|---|---|---|
| OpenRouter | api aggregator | $2.0 | $10.0 | Launch ↗ |
Frequently asked.
How do I run OpenAI: GPT-5.6 Sol Pro?
Where can I access OpenAI: GPT-5.6 Sol Pro?
How much does it cost to run OpenAI: GPT-5.6 Sol Pro?
Is OpenAI: GPT-5.6 Sol Pro open-source or proprietary?
What it costs per month across providers.
Estimate your monthly bill for OpenAI: GPT-5.6 Sol Pro across every host that publishes per-token pricing. Slide your token volumes; the chart + table re-rank cheapest-first.
Cheapest provider on the left.
Total monthly cost — input + output tokens combined.
Bill breakdown.
| Provider | Monthly total | |
|---|---|---|
| $40.0 | Sign up ↗ |