openai/gpt-6-solGPT-6 Sol is OpenAI’s AI model, released Sep 22, 2026. It costs $2/M input and $10/M output tokens, and handles a 1.1M-token context window. Its strongest use case is reasoning & knowledge, where it ranks in the 94th percentile of the models Model Beat tracks.
GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier.
Scores on standardized evaluations. Higher is better — and rank shows where GPT-6 Sol lands among all models tracked on Model Beat.
Frontier of human expert knowledge
Scientific research coding
GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier.
GPT-6 Sol is an AI model developed by OpenAI, part of the GPT family, released Sep 22, 2026.
GPT-6 Sol's list price from OpenAI is $2 per million input tokens and $10 per million output tokens.
GPT-6 Sol supports a context window of up to 1.1M tokens.
On standardized evaluations tracked by Epoch AI, GPT-6 Sol scores 47.9% on Humanity's Last Exam, 57.6% on SciCode.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 23, 2026.