GPT-5.6 Sol Pro (batch)
ModelActiveby OpenAI · family “gpt-sol-pro-batch”
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 docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode (description from the OpenRouter listing)
in: filein: imagein: textout: textReasoningTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Released
9 Jul 2026
Context window
1.05M tokens
Max output
128K tokens
Input $ / 1M tokens
$1.00
Output $ / 1M tokens
$5.00
Cached input $ / 1M
$0.10
Each benchmark shown separately with its own source
Benchmark results (0)
No benchmark results recorded for this model.
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
API list price over time
Price history
$ per 1M tokens
2 observations (OpenRouter listing + Internet Archive snapshots). History accumulates with every ingest run; a single point means no change has been observed yet.
Events
- Model launch3mo agoOpenAI releases GPT-5.6 Sol Pro (batch)OpenRouter models API