GPT-5.6 Sol
GPT-5.6 SolAlternatives?
CheaperGPT-6.1 Solmax×2.6-64%$0.72Remove unsupported parameters+5BetterGPT-6.1 Terramedium+11%-95%$0.095
OpenDeepSeek V4.1 Flash 1017max-43%-87%$0.26Context: 1.05M → 1M+5
CheaperGemini 4 Argonhigh×2.4-19%*$1.62Context: 1.05M → 1M+3
CheaperClaude Opus 5.5high×2.2-8%$1.82Context: 1.05M → 1M+6GPT-6.1 Solmax×2.6-64%$0.72Remove unsupported parameters+5GPT-6.1 Terramax×2.6-80%$0.40Gemini 4 Argonhigh×2.4-19%*$1.62Context: 1.05M → 1M+3Claude Opus 5.5high×2.2-8%$1.82Context: 1.05M → 1M+6Claude Sonnet 5.5high+53%-56%$0.88Context: 1.05M → 1M+6GPT-6.1 Terramedium+11%-95%$0.095GPT-6.1 Solmedium+66%-89%$0.21Remove unsupported parameters+5Claude Sonnet 5.5high+53%-56%$0.88Context: 1.05M → 1M+6GPT-6 Solmax+34%-47%$1.04Claude Opus 5.5medium+94%-33%$1.34Context: 1.05M → 1M+6DeepSeek V4.1 Flash 1017maxOpen-43%-87%$0.26Context: 1.05M → 1M+5
GLM 5.3maxOpen-57%same$2.01Context: 1.05M → 1M+5
Kimi K3maxOpen-64%same$2.00Context: 1.05M → 1M+4DeepSeek V4 Pro 0813maxOpen-74%-66%$0.67Context: 1.05M → 1M+6
MiMo v2.6 ProthinkingOpen-74%-93%$0.13Context: 1.05M → 1M+4GPT-6 Astramax×2.8+64%$3.26Monitoring can return HTTP 403+2GPT-6.1 Solmax×2.6-64%$0.72Remove unsupported parameters+5GPT-6.1 Terramax×2.6-80%$0.40GPT-6 Solmax+34%-47%$1.04GPT-5.6 Terramax-38%-30%$1.40Prompts with >272K input tokensGPT-6 Lunamax-62%-97%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunamax-85%-91%$0.18GPT OSS 120BhighOpen-100%-95%$0.11Context: 1.05M → 131K+1All OpenAI models →History
3 versionsBenchmarks
in Agents & Tool UseFAQ
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 $1.99 at max 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?›
#11 of 336 in Chat & Knowledge, #14 of 134 in Coding, #20 of 135 in Agents & Tool Use, #24 of 197 in Writing & Language, #7 of 125 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 Terminal-Bench Science 0.1, GPT-5.6 Sol scores 22.4 vs 25.7 — lower. It is 77% 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 DeepSeek V4.1 Flash 1017.
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), GPT-6.1 Terra (better), DeepSeek V4.1 Flash 1017 (open weights).