GPT-6.1 Sol Pro is the same underlying model as [GPT-6.1 Sol](https://openrouter.ai/openai/gpt-6.1-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...
Details
| Field | Value |
|---|---|
| id | openai/gpt-6.1-sol-pro |
| family | gpt |
| modality | pdf+image+text->text |
| context_length | 1050000 |
| max_output_tokens | 128000 |
| release_date | 2026-09-29 |
| is_open_weights | no |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | yes |
| supports_attachment | yes |
| input_modalities | pdf, image, text |
| output_modalities | text |