GPT-5.1 (2025-11-13)
Nov 2025
GPT-5.1 (2025-11-13)Compare inon
GPT-5.1 (2025-11-13) measured on 8 of 104 Chat & Knowledge benchmarks8
BenchmarkByScoreRank
Knowledge3
Reasoning1
Math2
Legacy · saturated or no longer reported2
No benchmark matches
Alternatives?
ModelScoreCostPer taskWhat changes
CheaperGemini 3.8 Flashhigh+9%-56%*$1.24Sampling parameters are ignored+1BetterGPT-6 Lunamax+3%-94%$0.068Function calling only with none · Chat Completions+3
OpenKimi K3max+6%+75%$2.00Sampling parameters are fixed+3CheaperGemini 3.6 Flashhigh+7%-56%*$1.60
CheaperGrok 4.6high+7%-13%$1.48ModelScoreCostPer taskWhat changes
Gemini 3.8 Flashhigh+9%-56%*$1.24Sampling parameters are ignored+1Gemini 3.6 Flashhigh+7%-56%*$1.60Grok 4.6high+7%-13%$1.48Grok 4.5high+7%-13%$0.88Grok 4.7xhigh+6%-13%$3.74Reasoning cannot be disabled+4ModelScoreCostPer taskWhat changes
GPT-6 Lunamax+3%-94%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunamax+5%-87%$0.18
Claude Haiku 5.5max+2%-94%$0.21Remove sampling parameters+5GPT-5.6 Sollow+3%+133%$0.26
GLM 5.3 FlashmaxOpen+3%-93%$0.28Defaults to max · Self-hosted+4ModelScoreCostPer taskWhat changes
Kimi K3maxOpen+6%+75%$2.00Sampling parameters are fixed+3GLM 5.2maxOpen+5%-37%$1.47No image input
DeepSeek V4 Pro 0813maxOpen+5%-42%$0.67No image input+5
MiniMax M3unstatedOpen+4%-85%$0.30 / $1.20No strict JSON+1GLM 5.3maxOpen+4%-37%$2.01No image input+4ModelScoreCostPer taskWhat changes
GPT-6 Astramax+9%—$3.26Monitoring can return HTTP 403+2GPT-6.1 Solmax+9%—$0.72Remove unsupported parameters+5GPT-5.4 Pro (2026-03-05)+8%—$30 / $180No strict JSONGPT-6 Solmax+8%—$1.04GPT-5.6 Solmax+7%—$1.99GPT-5.6 Terramax+6%—$1.40Prompts with >272K input tokensGPT-5.6 Lunamax+5%—$0.18GPT-5.5low+3%—$5 / $30Prompts with >272K input tokensAll OpenAI models →History
17 versionsBenchmarks
in Chat & KnowledgeGPQA Diamond · Epoch87.6#48
OTIS Mock AIME 2024 202588.6#53
FrontierMath31#13
FrontierMath Tier 412.5#10
SimpleQA Verified v148#30
Chess Puzzles42#26
FAQ
How much does GPT-5.1 (2025-11-13) cost?›
$1.25 per 1M input tokens and $10 per 1M output tokens.
Is GPT-5.1 (2025-11-13) free to use?›
There is no free API; the cheapest paid price is $1.25 per 1M input tokens.
How good is GPT-5.1 (2025-11-13), and what is it best at?›
#30 of 83 in Chat & Knowledge.
Is GPT-5.1 (2025-11-13) better than GLM 5?›
On GPQA Diamond · Epoch, GPT-5.1 (2025-11-13) scores 87.6 vs 87.8 — about the same.
How can I use GPT-5.1 (2025-11-13)?›
Through the OpenAI API.
What is the context window of GPT-5.1 (2025-11-13)?›
400K tokens.
When was GPT-5.1 (2025-11-13) released? Is there a newer version?›
Released 2025-11-13. It is the current version in its line.
Can GPT-5.1 (2025-11-13) read images?›
It accepts text and images as input.
What is GPT-5.1 (2025-11-13)?›
GPT-5.1 (2025-11-13) is a language model from OpenAI, released Nov 2025.
What are the best alternatives to GPT-5.1 (2025-11-13)?›
Gemini 3.8 Flash (cheaper), GPT-6 Luna (better), Kimi K3 (open weights).