GPT-6 Sol — reviews, specs & pricing
OpenAI's mid-tier GPT-6 model for complex coding and agentic workflows. 1.05M context, 128k max output, April 2026 knowledge cutoff, reasoning effort from none to max, and roughly half the price of GPT-5.6 Sol.
Summary
GPT-6 Sol is OpenAI's powerful mid-tier model engineered specifically to tackle complex coding challenges and advanced agentic workflows. With an expansive 1.05M token context window, adjustable reasoning levels, and an unprecedented 128k maximum output, it delivers cutting-edge intelligence at roughly half the cost of GPT-5.6 Sol.
Sample use case
A software engineering firm deploys GPT-6 Sol to automatically refactor a legacy application. By loading hundreds of source files into its 1.05M context window, the model orchestrates an agentic workflow that identifies architectural bottlenecks, updates obsolete dependencies, and outputs fully documented, production-ready modules in a single, massive output stream.
Specifications
- Provider: openai
- License: closed
- Context: 1050k tokens
- Input price: $2/M tok
- Output price: $10/M tok
- Released: 2026-09-22
Pros
- Massive 1.05M token context capacity
- Generous 128k maximum output limit
- Flexible, adjustable reasoning effort
- Highly cost-effective pricing
Cons
- Knowledge base cuts off in April 2026
- Restricted to chat and code modalities
- Performance limits compared to top-tier flagship GPT-6 variants
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