GPT-6.1 Sol Pro
OPENAI Developer Architecture Profile
Intelligence (ELO)1450Chatbot Arena Verified
Max Context Limit1,050,000Max Out: 128,000 tokens
Prompt Caching95% OFF$0.10 / 1M cached
Standard API / 1M$12.00🧠 Deep Reasoner
Model Capabilities & Contract SLAs
- Reasoning
- Coding & Logic
- Fictional
- 🧠 Extended Test-Time Reasoning
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...
Granular Pricing Matrix
Input Tokens (Standard Prompt)$2.00 / 1M
⚡ Cached Input (Prompt Cache Read)95% OFF$0.10 / 1M
Output Tokens (Completion)$10.00 / 1M
Pricing data via OpenRouter. Sync: 10/2/2026
Evaluate Competitors
VS Engine MatchupGPT-6.1 Sol Pro vs Anthropic: Claude Sonnet LatestVS Engine MatchupGPT-6.1 Sol Pro vs Qwen: Qwen3.5-9BVS Engine MatchupGPT-6.1 Sol Pro vs Qwen: Qwen3.5 397B A17BVS Engine MatchupGPT-6.1 Sol Pro vs SpaceXAI: Grok 4.5VS Engine MatchupGPT-6.1 Sol Pro vs Meta: Llama 3.1 70B InstructVS Engine MatchupGPT-6.1 Sol Pro vs Z.ai: GLM 5.3 Prime