GPT-5.6 Sol
GPT-5.6 SolAlternatives?
CheaperGPT-6.1 Solmax+15%-10%$0.72Remove unsupported parameters+5
BetterMiMo v2.6 ProthinkingOpen+7%-84%$0.13Context: 1.05M → 1M+4Lower effortSame modelmedium-8%-37%$0.50
CheaperClaude Opus 5.5low+5%-32%$0.55Context: 1.05M → 1M+6
CheaperMiniMax M3.1 Flashthinking+4%-73%$0.22Context: 1.05M → 1M+1GPT-6.1 Solmax+15%-10%$0.72Remove unsupported parameters+5MiMo v2.6 ProthinkingOpen+7%-84%$0.13Context: 1.05M → 1M+4Claude Opus 5.5low+5%-32%$0.55Context: 1.05M → 1M+6MiniMax M3.1 Flashthinking+4%-73%$0.22Context: 1.05M → 1M+1GPT-6 Solxhighsame-36%$0.52MiMo v2.6 ProthinkingOpen+7%-84%$0.13Context: 1.05M → 1M+4GPT-6.1 Solmedium+8%-74%$0.21Remove unsupported parameters+5Claude Opus 5.5low+5%-32%$0.55Context: 1.05M → 1M+6GPT-6 Astralow+7%same$0.82Monitoring can return HTTP 403+2
Muse Spark 1.3max+6%+99%$1.60Context: 1.05M → 1M+6MiMo v2.6 ProthinkingOpen+7%-84%$0.13Context: 1.05M → 1M+4
Kimi K3maxOpensame+148%$2.00Context: 1.05M → 1M+4
Step 5 PreviewthinkingOpensame+27%$1.03Context: 1.05M → 1M+3Muse Spark OpenxhighOpen-5%+4%$0.84Context: 1.05M → 1M+2
DeepSeek V4.1 Flash 1017maxOpen-6%-68%$0.26Context: 1.05M → 1M+5GPT-6 Astrahigh+15%+114%$1.73Monitoring can return HTTP 403+2GPT-6.1 Solhigh+12%-61%$0.32Remove unsupported parameters+5GPT-5.5highsame+91%$1.54Prompts with >272K input tokensGPT-6 Solhigh-4%-54%$0.37GPT-5.3 Codexxhigh-8%—$1.75 / $14Context: 1.05M → 400K+1GPT-5.6 Terrahigh-16%-58%$0.34Prompts with >272K input tokensGPT-5.6 Lunahigh-27%-95%$0.044GPT-6 Lunahigh-28%-96%$0.029Function calling only with none · Chat Completions+3All OpenAI models →History
3 versionsBenchmarks
in Chat & KnowledgeFAQ
How much does GPT-5.6 Sol cost?›
$4 per 1M input tokens and $20 per 1M output tokens; cached input $0.40 per 1M. A typical benchmark task costs about $0.81 at high effort.
Is GPT-5.6 Sol free to use?›
There is no free API; the cheapest paid price is $4 per 1M input tokens.
How good is GPT-5.6 Sol, and what is it best at?›
#21 of 334 in Chat & Knowledge, #29 of 132 in Coding, #30 of 133 in Agents & Tool Use, #12 of 195 in Writing & Language, #11 of 124 in Vision & Documents. Strongest at: Coding, Agents & work tasks, Reasoning, Science, Long context, Knowledge, Instructions, Vision.
Is GPT-5.6 Sol better than Muse Wonder?›
On Humanity's Last Exam, GPT-5.6 Sol scores 49.5 vs 50.1 — about the same. It is 82% cheaper per task.
How can I use GPT-5.6 Sol?›
Through the API of Amazon Bedrock, Azure, OpenAI.
What is the context window of GPT-5.6 Sol?›
1.05M tokens, with up to 128K output tokens.
When was GPT-5.6 Sol released? Is there a newer version?›
Released 2026-07-09. It has been superseded by GPT-6 Sol.
Is GPT-5.6 Sol open source?›
No, GPT-5.6 Sol is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.
Can GPT-5.6 Sol read images?›
It accepts text and images, PDF files as input.
What is GPT-5.6 Sol?›
GPT-5.6 Sol is a closed language model from OpenAI, released Jul 2026, the successor to GPT-4.
What are the best alternatives to GPT-5.6 Sol?›
GPT-6.1 Sol (cheaper), MiMo v2.6 Pro (better).