GPT-6 Sol

Sep 2026
GPT-6 Sol
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$1.04per task?
$2 / $10per 1M in / outcache $0.20
128 tok/sfirst token in 89 s?
1.05Mcontext

Alternatives?

History

3 versions
646668707274Oct 26Release dateSimpleQA Verified v15.666.1
646668707274Oct 26Release dateSimpleQA Verified v15.666.1

Benchmarks

in Chat & Knowledge
MLCR-AA16.1#30
HealthBench Professional length-adjustedlab60.8
HealthBench length-adjustedlab53.2
HealthBench Hard length-adjustedlab30.1
HealthBench Consensus length-adjustedlab96.2

FAQ

How much does GPT-6 Sol cost?›

$2 per 1M input tokens and $10 per 1M output tokens; cached input $0.20 per 1M. A typical benchmark task costs about $1.04 at max effort.

Is GPT-6 Sol free to use?›

There is no free API; the cheapest paid price is $2 per 1M input tokens.

How good is GPT-6 Sol, and what is it best at?›

#16 of 334 in Chat & Knowledge, #10 of 132 in Coding, #15 of 133 in Agents & Tool Use, #38 of 195 in Writing & Language, #8 of 124 in Vision & Documents. Strongest at: Coding, Agents & work tasks, Reasoning, Long context, Knowledge, Vision.

Is GPT-6 Sol better than GPT-5.1?›

On SimpleQA Verified v1, GPT-6 Sol scores 64.4 vs 34.9 — higher.

How can I use GPT-6 Sol?›

Through the API of Amazon Bedrock, Azure, OpenAI.

What is the context window of GPT-6 Sol?›

1.05M tokens, with up to 128K output tokens.

When was GPT-6 Sol released? Is there a newer version?›

Released 2026-09-22. It has been superseded by GPT-6.1 Sol.

Is GPT-6 Sol open source?›

No, GPT-6 Sol is a closed model available through an API. The closest open-weights option here is DeepSeek V4 Pro 0813.

Can GPT-6 Sol read images?›

It accepts text and images, PDF files as input.

What is GPT-6 Sol?›

GPT-6 Sol is a closed language model from OpenAI, released Sep 2026, the successor to GPT-5.1.

What are the best alternatives to GPT-6 Sol?›

Gemini 3.8 Flash (cheaper), GPT-6.1 Sol (better), DeepSeek V4 Pro 0813 (open weights).