GPT-5.6 Sol
GPT-5.6 SolAlternatives?
CheaperMuse Sparkunstatedwins 53%-75%$1.25 / $4.25Context: 1.05M → 1M+2BetterMuse Spark 1.2xhighwins 53%+9%$1.29Context: 1.05M → 1M+2
OpenGLM 5.3maxwins 54%+69%$2.01Context: 1.05M → 1M+5CheaperMuse Spark 1.1unstatedwins 53%-75%$1.25 / $4.25Context: 1.05M → 1M+2CheaperGPT-5.4highwins 53%-30%$2.50 / $15Muse Sparkunstatedwins 53%-75%$1.25 / $4.25Context: 1.05M → 1M+2Muse Spark 1.1unstatedwins 53%-75%$1.25 / $4.25Context: 1.05M → 1M+2GPT-5.4highwins 53%-30%$2.50 / $15GLM 5.3 FlashunstatedOpenwins 53%-97%$0.15 / $0.50Context: 1.05M → 1M+5
Mistral Large 4unstatedwins 53%-74%$1.36 / $4.18Context: 1.05M → 1M+5Muse Spark 1.2xhighwins 53%+9%$1.29Context: 1.05M → 1M+2
Gemini 3.6 Flashhighwins 55%+35%*$1.60Context: 1.05M → 1MGemini 4 Argonhighwins 60%+37%*$1.62Context: 1.05M → 1M+3
Claude Opus 5.5highwins 53%+54%$1.82Context: 1.05M → 1M+6
Kimi K3maxOpenwins 52%+69%$2.00Context: 1.05M → 1M+4GLM 5.3maxOpenwins 54%+69%$2.01Context: 1.05M → 1M+5GLM 5.3 FlashunstatedOpenwins 53%-97%$0.15 / $0.50Context: 1.05M → 1M+5Kimi K3maxOpenwins 52%+69%$2.00Context: 1.05M → 1M+4
MiMo v2.5 ProunstatedOpenwins 52%-93%$0.43 / $0.87Context: 1.05M → 1M+1MiMo v2.6 FlashunstatedOpensame-98%$0.14 / $0.28Context: 1.05M → 1M+4GPT-5.4highwins 53%—$2.50 / $15GPT-5.5unstatedsame—$5 / $30Prompts with >272K input tokensGPT-5.6 Terraxhighsame-47%$0.63Prompts with >272K input tokensGPT-6.1 Solmaxsame-39%$0.72Remove unsupported parameters+5GPT-5.6 Lunaxhighsame-93%$0.085GPT-5.2highwins 48%—$1.75 / $14Context: 1.05M → 400KGPT-5.1highwins 47%—$1.25 / $10Context: 1.05M → 400KGPT-5.4 Minihighwins 46%—$0.75 / $4.50Context: 1.05M → 400KAll 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 $1.18 at xhigh 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?›
#17 of 336 in Chat & Knowledge, #28 of 134 in Coding, #32 of 135 in Agents & Tool Use, #24 of 197 in Writing & Language, #10 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 GPT-4?›
On Arena Text · French, GPT-5.6 Sol scores 1,471.7 vs 1,219.5 — higher.
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 GLM 5.3.
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?›
Muse Spark (cheaper), Muse Spark 1.2 (better), GLM 5.3 (open weights).