GPT-5 Pro (2025-10-06)
Oct 2025
GPT-5 Pro (2025-10-06)Compare inon
GPT-5 Pro (2025-10-06) measured on 4 of 104 Chat & Knowledge benchmarks4
BenchmarkByScoreRank
Reasoning1
Math3
No benchmark matches
Alternatives?
ModelScoreCostPer taskWhat changes
CheaperGPT-6.1 Solmax+68%-90%$0.72Remove unsupported parameters+5BetterGPT-6 Lunamax+42%-100%$0.068Function calling only with none · Chat Completions+3
OpenKimi K3max+29%-85%$2.00Sampling parameters are fixed+3CheaperGPT-6 Astramax+68%-52%$3.26Monitoring can return HTTP 403+2
CheaperClaude Opus 5.5max+64%-81%$5.98No forced tool use+5ModelScoreCostPer taskWhat changes
GPT-6.1 Solmax+68%-90%$0.72Remove unsupported parameters+5GPT-6 Astramax+68%-52%$3.26Monitoring can return HTTP 403+2Claude Opus 5.5max+64%-81%$5.98No forced tool use+5Claude Fable 5.1max+62%-52%$7.63Replace forced tool_choice+5GPT-6 Solmax+61%-90%$1.04ModelScoreCostPer taskWhat changes
GPT-6 Lunamax+42%-100%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunamax+47%-99%$0.18Claude Haiku 5.5max+35%-100%$0.21Remove sampling parameters+5
DeepSeek V4 Pro 0813maxOpen+16%-95%$0.67No image input+5GPT-6.1 Solmax+68%-90%$0.72Remove unsupported parameters+5ModelScoreCostPer taskWhat changes
Kimi K3maxOpen+29%-85%$2.00Sampling parameters are fixed+3
GLM 5.3maxOpen+23%-95%$2.01No image input+4DeepSeek V4 Pro 0813maxOpen+16%-95%$0.67No image input+5GLM 5.2maxOpen+6%-95%$1.47No image inputKimi K2.6unstatedOpen+3%-96%$0.95 / $4Context: 400K → 256KModelScoreCostPer taskWhat changes
GPT-6.1 Solmax+68%—$0.72Remove unsupported parameters+5GPT-6 Astramax+68%—$3.26Monitoring can return HTTP 403+2GPT-6 Solmax+61%—$1.04GPT-5.6 Solmax+60%—$1.99GPT-5.5 Proxhigh+57%—$30 / $180GPT-5.6 Terramax+54%—$1.40Prompts with >272K input tokensGPT-5.5xhigh+53%—$2.63Prompts with >272K input tokensGPT-5.4 Pro (2026-03-05)+48%—$30 / $180No strict JSONAll OpenAI models →History
6 versionsBenchmarks
in Chat & KnowledgeFrontierMath Tier 414.6#7
FrontierMath Tiers 1–3 (v2)55.8#40
FrontierMath Tier 4 (v2)19.5#41
Chess Puzzles48#15
FAQ
How much does GPT-5 Pro (2025-10-06) cost?›
$15 per 1M input tokens and $120 per 1M output tokens.
Is GPT-5 Pro (2025-10-06) free to use?›
There is no free API; the cheapest paid price is $15 per 1M input tokens.
How good is GPT-5 Pro (2025-10-06), and what is it best at?›
#40 of 69 in Chat & Knowledge.
Is GPT-5 Pro (2025-10-06) better than GLM 5.3 Flash?›
On FrontierMath Tiers 1–3 (v2), GPT-5 Pro (2025-10-06) scores 55.8 vs 55.8 — about the same.
How can I use GPT-5 Pro (2025-10-06)?›
Through the OpenAI API.
What is the context window of GPT-5 Pro (2025-10-06)?›
400K tokens.
When was GPT-5 Pro (2025-10-06) released? Is there a newer version?›
Released 2025-10-06. It has been superseded by GPT-5.6 Sol.
Can GPT-5 Pro (2025-10-06) read images?›
It accepts text and images as input.
What is GPT-5 Pro (2025-10-06)?›
GPT-5 Pro (2025-10-06) is a language model from OpenAI, released Oct 2025.
What are the best alternatives to GPT-5 Pro (2025-10-06)?›
GPT-6.1 Sol (cheaper), GPT-6 Luna (better), Kimi K3 (open weights).