GPT-5.6 Sol
GPT-5.6 Sol is an AI model from OpenAI on the polora AI Index — practical benchmarks, pricing, and side-by-side comparison.
OpenAI's flagship GPT-5.6 variant, built for frontier reasoning and long-horizon agentic work. Public launch July 9, 2026.
- Provider: OpenAI
- Pricing: $5.0/1M input tokens · $30.0/1M output tokens
Strengths:
- Frontier reasoning
- Long-horizon agentic work
- Coding
Best for:
- Hardest reasoning tasks
- Agent pipelines
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