openai
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](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
- Context window: 1,050,000 tokens
- Input: file, image, text
- Output: text
- Pricing: $4/M input tokens, $20/M output tokens
RuntimeWire Composite Index
Score: 58.7 — ranked #17 overall (1/4 evaluations covered). View full rankings.
RuntimeWire coverage
- Head to head: HeyGen Video Reference to Video vs Kling Video
- Head to head: Wan vs Google: Nano Banana 2 (Gemini 3.1 Flash Image)
- Head to head: Happy Horse 1.1 Image to Video vs LTX 2.3 Video Fast
- Head to head: DeepSeek-V4.1-Flash vs Mistral-Large-3
- Head to head: Krea 2 Large vs Lumina Image 2
- Head to head: Gemini Omni Flash 1.1 Image to Video vs PixVerse Lipsync
- Head to head: Happy Horse Video Edit vs PixVerse C1 Image To Video
- Head to head: Hidream I1 Dev vs Ideogram V4.5 Edit
- Head to head: Luma Ray 3.2 Image to Video vs Pika Image to Video (v2.2)
- Head to head: AuraFlow vs Ideogram V4.5 Edit
- Head to head: DeepSeek-V4.1-Flash vs muse-spark-1.3
- Head to head: LTX 2.5 Image to Video Fast vs Ovi
View on OpenRouter. Model data sourced from OpenRouter.