OpenAI: GPT-5.6 Sol Pro
openai/gpt-5.6-sol-pro
GPT-5.6 Sol Pro is the same underlying model as 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...
Modalities
In / Out Price
$2 / $10 per 1M
Context
1.1M
Released
Jul 9, 2026
Knowledge Cutoff
Feb 2026
Providers
Different carriers host the same model. Reroute routes each request to the best one on price and uptime, and fails over to the next if a carrier goes down.
| Provider | Context | Input /M | Output /M | Cache read /M | Latency | Throughput | Uptime |
|---|---|---|---|---|---|---|---|
| OpenAI | 1.1M | $1 | $5 | $0.10 | — | — | — |
| OpenAI | 1.1M | $2 | $10 | $0.20 | — | — | 100.00% |
| OpenAI | 1.1M | $4 | $20 | $0.40 | — | — | — |
 Azure | 1.1M | $4 | $20 | $0.40 | — | — | — |
| Azure | 1.1M | $4.40 | $22 | $0.44 | — | — | — |