GPT-5.6 Sol Pro pricing
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. Live index: 2 priced offers. Best input $4.00 per million tokens from Openrouter. Best output $20.00 per million tokens from Openrouter.
Pricing across providers
Use this table to read GPT-5.6 Sol Pro list prices. We show 2 sources right now. Lowest input in the grid: Openrouter. The chart below the table helps when output prices are much higher than input prices.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
K Kyma | $5.40 | $27.00 | $0.675 | — |
O Openrouter | $4.00 | $20.00 | — | — |
Input vs output · per provider
Cost calculator
Pick any of the providers above and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for GPT-5.6 Sol Pro.
Provider
0.540000¢ / req
1.350000¢ / req
Model specifications
Quick spec sheet for GPT-5.6 Sol Pro before you dive back into pricing. Reported under OpenAI.
- Context window
- 1,050,000 tokens
- Max output
- 128,000 tokens
- Vision (images)
- Yes
- Tool / function calling
- Yes
- Streaming
- Yes
- Released
- Jul 2026
- Primary provider
- OpenAI
- Model family
- N/A
Compare GPT-5.6 Sol Pro
Open a pair page to see GPT-5.6 Sol Pro next to another model with a shared provider matrix. 6 shortcuts below.
Locked
Compare with
Pick a model on both sides.
Popular GPT-5.6 Sol Pro comparisons
- GPT-5.6 Sol Pro vs Claude Sonnet 4.6
Compare pricing side by side
- GPT-5.6 Sol Pro vs Gemini 2.0 Flash
Compare pricing side by side
- GPT-5.6 Sol Pro vs Llama 3.1 70B
Compare pricing side by side
- GPT-5.6 Sol Pro vs Mistral 7B
Compare pricing side by side
- GPT-5.6 Sol Pro vs GLM 4.7
Compare pricing side by side
- GPT-5.6 Sol Pro vs Amazon Nova Lite V1 0
Compare pricing side by side
Frequently asked questions
Read these after the table if you want plain language around GPT-5.6 Sol Pro rates. The short model note from our index: 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.
Related models
Models close to GPT-5.6 Sol Pro by family, provider, and context window — each with live pricing in our catalog.