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 109 Chat & Knowledge benchmarks8
BenchmarkByScoreRank
Knowledge3
Reasoning1
Math2
Legacy · saturated or no longer reported2
No benchmark matches
Alternatives?
ModelScoreCostPer taskWhat changes
CheaperQwen3.8 Max (0902)xhigh+13%-13%$2 / $6BetterGPT-6 Lunamax+12%-94%$0.068Function calling only with none · Chat Completions+3
OpenDeepSeek V4.1 Flash 1017max+12%-85%$0.26Pass back reasoning_content · Chat Completions+4
CheaperMuse Spark 1.3xhigh+12%-42%$2.15Only auto tool_choice is supported+5
CheaperGrok 4.6xhigh+12%-13%$1.75ModelScoreCostPer taskWhat changes
Qwen3.8 Max (0902)xhigh+13%-13%$2 / $6DeepSeek V4.1 Flash 1017maxOpen+12%-85%$0.26Pass back reasoning_content · Chat Completions+4Muse Spark 1.3xhigh+12%-42%$2.15Only auto tool_choice is supported+5Grok 4.6xhigh+12%-13%$1.75
Claude Haiku 5.5xhigh+12%-94%$0.12Remove sampling parameters+5ModelScoreCostPer taskWhat changes
GPT-6 Lunamax+12%-94%$0.068Function calling only with none · Chat Completions+3Claude Haiku 5.5high+10%-94%$0.079Remove sampling parameters+5GPT-5.6 Lunamax+11%-87%$0.18Grok 4.3high+5%-55%$0.21GPT-5.6 Sollow+8%+133%$0.26ModelScoreCostPer taskWhat changes
DeepSeek V4.1 Flash 1017maxOpen+12%-85%$0.26Pass back reasoning_content · Chat Completions+4DeepSeek V4 Pro 0813maxOpen+11%-42%$0.67No image input+5
Kimi K3maxOpen+10%+75%$2.00Sampling parameters are fixed+3Kimi K2.6unstatedOpen+8%-50%$0.95 / $4Context: 400K → 256KKimi K2.7 CodeunstatedOpen+8%-50%$0.95 / $4Context: 400K → 256K+1ModelScoreCostPer taskWhat changes
GPT-6.1 Solmax+13%—$0.72Remove unsupported parameters+5GPT-6 Solmax+13%—$1.04GPT-6 Astramax+13%—$3.26Monitoring can return HTTP 403+2GPT-5.6 Solmax+13%—$1.99GPT-5.6 Terramax+13%—$1.40Prompts with >272K input tokensGPT-6 Lunamax+12%—$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunamax+11%—$0.18GPT-5.4 (2026-03-05)high+10%—$2.50 / $15All OpenAI models →History
17 versionsBenchmarks
in Chat & KnowledgeGPQA Diamond · Epoch87.6#49
OTIS Mock AIME 2024 202588.6#54
FrontierMath31#13
FrontierMath Tier 412.5#10
SimpleQA Verified v148#30
Chess Puzzles42#27
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 84 in Chat & Knowledge.
Is GPT-5.1 (2025-11-13) better than GPT-5.4 Mini (2026-03-17)?›
On OTIS Mock AIME 2024 2025, GPT-5.1 (2025-11-13) scores 88.6 vs 88.9 — 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 has been superseded by GPT-6 Sol.
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)?›
Qwen3.8 Max (0902) (cheaper), GPT-6 Luna (better), DeepSeek V4.1 Flash 1017 (open weights).