GPT-5.6 Sol
GPT-5.6 SolAlternatives?
CheaperMiniMax M3.1 Flashthinking+41%-56%$0.22Context: 1.05M → 1M+1
BetterMiMo v2.6 FlashthinkingOpen+25%-88%$0.062Context: 1.05M → 1M+4
OpenDeepSeek V4.1 Flash 1017max+30%-48%$0.26Context: 1.05M → 1M+5Lower effortSame modellow-20%-48%$0.26CheaperGPT-6.1 Solxhigh+30%-22%$0.39Remove unsupported parameters+5MiniMax M3.1 Flashthinking+41%-56%$0.22Context: 1.05M → 1M+1DeepSeek V4.1 Flash 1017maxOpen+30%-48%$0.26Context: 1.05M → 1M+5GPT-6.1 Solxhigh+30%-22%$0.39Remove unsupported parameters+5MiMo v2.6 FlashthinkingOpen+25%-88%$0.062Context: 1.05M → 1M+4
GLM 5.3 FlashmaxOpen+18%-44%$0.28Context: 1.05M → 1M+5MiMo v2.6 FlashthinkingOpen+25%-88%$0.062Context: 1.05M → 1M+4GPT-6 Sollow+5%-74%$0.13MiMo v2.6 ProthinkingOpen+14%-74%$0.13Context: 1.05M → 1M+4GPT-6.1 Solmedium+22%-58%$0.21Remove unsupported parameters+5MiniMax M3.1 Flashthinking+41%-56%$0.22Context: 1.05M → 1M+1DeepSeek V4.1 Flash 1017maxOpen+30%-48%$0.26Context: 1.05M → 1M+5MiMo v2.6 FlashthinkingOpen+25%-88%$0.062Context: 1.05M → 1M+4GLM 5.3maxOpen+21%+297%$2.01Context: 1.05M → 1M+5
Ling 3.1 FlashOpen+20%+98%$1.00Context: 1.05M → 1M+1GLM 5.3 FlashmaxOpen+18%-44%$0.28Context: 1.05M → 1M+5GPT-6 Astramedium+26%+205%$1.54Monitoring can return HTTP 403+2GPT-6.1 Solmedium+22%-58%$0.21Remove unsupported parameters+5GPT-6 Solmedium+13%-51%$0.25GPT-6 Lunamedium-21%-97%$0.017Function calling only with none · Chat Completions+3GPT-5.5medium-22%+79%$0.90Prompts with >272K input tokensGPT-5.5 Instant (June 2026)-29%+37%$0.69Context: 1.05M → 400KGPT-5.6 Terramedium-35%-64%$0.18Prompts with >272K input tokensGPT-5.4 Minixhigh-49%-11%$0.45Context: 1.05M → 400KAll 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 $0.50 at medium 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?›
#37 of 334 in Chat & Knowledge, #30 of 132 in Coding, #33 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 GLM 5.3 Flash?›
On AutomationBench-AA, GPT-5.6 Sol scores 60.1 vs 60.4 — about the same. It is 78% more expensive 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?›
MiniMax M3.1 Flash (cheaper), MiMo v2.6 Flash (better), DeepSeek V4.1 Flash 1017 (open weights).