GPT-5.6 Sol
by OpenAI
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and mult
Models
GPT-5.6 Sol
Added 10 July 2026
Overview
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...
How to use / API access
Call via OpenRouter with model id `openai/gpt-5.6-sol`.
- openrouter ·
openai/gpt-5.6-solDocs
OpenRouter id: openai/gpt-5.6-sol
Benchmarks
- Intelligence Index (artificial-analysis): 47 index
- Coding Index (artificial-analysis): 77.4 index
- Agentic Index (artificial-analysis): 50.2 index
Notes
GPT-5.6 Sol is listed in the EDNA Models directory from the OpenRouter catalogue.
In the AI Pulse
Recent daily briefs from the Enterprise DNA AI Pulse that mention this. The short daily read on what is actually happening in AI.
- AI Trends Pulse28 Sept 2026
Grok 4.7 beats GPT-5.6 Sol on agent efficiency benchmark
- Frontier Labs Watch4 Sept 2026
GPT-6 Astra's API price lands at 2.5x the prior flagship's rate, and enterprise access is off by default
- Frontier Labs Watch23 Aug 2026
OpenAI cuts GPT-5.6 Sol API pricing 20-33%, the third cut on that model family in a month
- Frontier Labs Watch17 Aug 2026
Bank of America launches a standing Frontier AI Tracker.
- AI Trends Pulse14 Aug 2026
Z.ai's GLM-5.3 claims a 50% coding jump and edges frontier labs on a cybersecurity benchmark
- Frontier Labs Watch14 Aug 2026
House Democrats push for a congressional hearing after UK AISI red-team findings on agent hacking
- Frontier Labs Watch13 Aug 2026
OpenAI and Cerebras launch a 750 tokens/second inference tier for GPT-5.6 Sol
- AI Trends Pulse12 Aug 2026
Grok 4.6 launches, matches GPT-5.6 Sol at roughly a third of the price.
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