GPT-6 Sol
GPT-6 SolAlternatives?
CheaperGPT-6.1 Solmax+11%-31%$0.72Remove unsupported parameters+5
OpenKimi K3max-57%+91%$2.00Context: 1.05M → 1M+4CheaperGPT-6 Astralow-2%-22%$0.82Monitoring can return HTTP 403+2
BetterClaude Opus 5.5max+6%+473%$5.98Context: 1.05M → 1M+6
OpenGLM 5.2max-67%+41%$1.47Context: 1.05M → 1M+1GPT-6.1 Solmax+11%-31%$0.72Remove unsupported parameters+5GPT-6 Astralow-2%-22%$0.82Monitoring can return HTTP 403+2GPT-6.1 Solmax+11%-31%$0.72Remove unsupported parameters+5GPT-6 Astramedium+8%+47%$1.54Monitoring can return HTTP 403+2Claude Opus 5.5max+6%+473%$5.98Context: 1.05M → 1M+6Kimi K3maxOpen-57%+91%$2.00Context: 1.05M → 1M+4GLM 5.2maxOpen-67%+41%$1.47Context: 1.05M → 1M+1GLM 5.3maxOpen-67%+92%$2.01Context: 1.05M → 1M+5
DeepSeek V4 Pro 0813maxOpen-70%-35%$0.67Context: 1.05M → 1M+6Kimi K2.6unstatedOpen-72%-57%$0.95 / $4Context: 1.05M → 256KGPT-6.1 Solmax+11%-31%$0.72Remove unsupported parameters+5GPT-6 Astramax+8%+212%$3.26Monitoring can return HTTP 403+2GPT-5.6 Solmax-8%+90%$1.99GPT-5.5 Proxhigh-13%—$30 / $180GPT-5.5xhigh-19%+152%$2.63Prompts with >272K input tokensGPT-5.6 Terramax-21%+34%$1.40Prompts with >272K input tokensGPT-5.6 Lunamax-32%-83%$0.18GPT-5.4 Pro (2026-03-05)-35%—$30 / $180No strict JSONAll OpenAI models →History
3 versionsBenchmarks
in Chat & KnowledgeFAQ
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 Claude Fable 5?›
On FrontierMath Tier 4 (v2), GPT-6 Sol scores 90 vs 90.2 — about the same. It is 88% cheaper per task.
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 It has been superseded by GPT-6.1 Sol.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 Kimi K3.
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?›
GPT-6.1 Sol (cheaper), Kimi K3 (open weights).