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GPT-6 SolAPI
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.
Prices update automatically — checked daily against provider list prices.
- $4 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 28% of the 228 commercial models tracked here
- 62 of 100 OpenAI models tracked here, from cheapest
Benchmarks & performance
Independent benchmark scores for GPT-6 Sol, measured by Artificial Analysis. Higher is better. Measurement mode: Max.
Models at this level cost $4 per 1M tokens (median of 8) — this one costs $4.
Cheaper and better on this index: Claude Sonnet 5.5 (batch) · Gemini 4 Argon (batch) · GPT-6.1 Sol (batch) and 1 more
About this model
GPT-6 Sol is a commercial AI model by OpenAI. The specifications below are tracked automatically: pricing is refreshed daily from public list prices, so the numbers on this page reflect the current cost of using the model through its API.
Frequently asked questions
What is GPT-6 Sol?
GPT-6 Sol is an AI language model from OpenAI. It is a proprietary model, available through an API. It scores 47.6 on the Artificial Analysis intelligence index.
Is GPT-6 Sol free?
GPT-6 Sol is not free: it costs $2 per million input tokens and $10 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is GPT-6 Sol good at?
Independent benchmarks from Artificial Analysis give it Humanity's Last Exam 47.9%, Long Context Reasoning 83.7%, SciCode 57.6%.