GPT-5.2 Pro
Dec 2025
GPT-5.2 ProCompare inon
GPT-5.2 Pro measured on 4 of 104 Chat & Knowledge benchmarks4
BenchmarkByScoreRank
No benchmark matches
Alternatives?
ModelScoreCostPer taskWhat changes
CheaperGPT-6 Astramax+75%-65%$3.26Monitoring can return HTTP 403+2BetterGPT-6 Lunamax+10%-100%$0.068Function calling only with none · Chat Completions+3
OpenGLM 5.3 Flashmax+22%-100%$0.28Defaults to max · Self-hosted+4CheaperGPT-6.1 Solmax+74%-93%$0.72Remove unsupported parameters+5
CheaperClaude Opus 5.5high+72%-86%$1.82No forced tool use+5ModelScoreCostPer taskWhat changes
GPT-6 Astramax+75%-65%$3.26Monitoring can return HTTP 403+2GPT-6.1 Solmax+74%-93%$0.72Remove unsupported parameters+5Claude Opus 5.5high+72%-86%$1.82No forced tool use+5GPT-5.6 Solmax+71%-86%$1.99
Gemini 4 Argonhigh+68%-93%*$1.99Synchronous output stops at 65,536+2ModelScoreCostPer taskWhat changes
GPT-6 Lunamax+10%-100%$0.068Function calling only with none · Chat Completions+3Claude Haiku 5.5xhigh+13%-100%$0.12Remove sampling parameters+5GPT-6.1 Sollow+42%-93%$0.13Remove unsupported parameters+5GPT-5.6 Lunamax+10%-99%$0.18GPT-6 Solmedium+7%-93%$0.25ModelScoreCostPer taskWhat changes
GLM 5.3 FlashmaxOpen+22%-100%$0.28Defaults to max · Self-hosted+4
DeepSeek V4 Pro 0813maxOpen+13%-97%$0.67No image input+5
Kimi K3maxOpen+12%-90%$2.00Sampling parameters are fixed+3
Qwen3.8 27BxhighOpen-22%-98%$1.01Context: 400K → 262K+5TInkling SmallxhighOpen-26%-99%$0.45 / $1.20Context: 400K → 256K+1ModelScoreCostPer taskWhat changes
GPT-6 Astrahigh+70%—$1.73Monitoring can return HTTP 403+2GPT-6.1 Solhigh+69%—$0.32Remove unsupported parameters+5GPT-5.6 Solhigh+58%—$0.81GPT-5.5 Prohigh+56%—$30 / $180GPT-5.5high+54%—$1.54Prompts with >272K input tokensGPT-5.4 Proxhigh+54%—$30 / $180No strict JSONGPT-6 Solhigh+27%—$0.37GPT-5.4high+25%—$2.50 / $15All OpenAI models →History
6 versionsFAQ
How much does GPT-5.2 Pro cost?›
$21 per 1M input tokens and $168 per 1M output tokens.
Is GPT-5.2 Pro free to use?›
There is no free API; the cheapest paid price is $21 per 1M input tokens.
How good is GPT-5.2 Pro, and what is it best at?›
#31 of 66 in Chat & Knowledge.
Is GPT-5.2 Pro better than GPT-6 Luna?›
On ARC-AGI-2 · semi-private, GPT-5.2 Pro scores 54.2 vs 59.3 — lower.
How can I use GPT-5.2 Pro?›
Through the API of OpenAI.
What is the context window of GPT-5.2 Pro?›
400K tokens, with up to 128K output tokens.
When was GPT-5.2 Pro released? Is there a newer version?›
Released 2025-12-11. It is the current version in its line.
Is GPT-5.2 Pro open source?›
No, GPT-5.2 Pro is a closed model available through an API. The closest open-weights option here is GLM 5.3 Flash.
Can GPT-5.2 Pro read images?›
It accepts text and images, PDF files as input.
What is GPT-5.2 Pro?›
GPT-5.2 Pro is a closed language model from OpenAI, released Dec 2025.
What are the best alternatives to GPT-5.2 Pro?›
GPT-6 Astra (cheaper), GPT-6 Luna (better), GLM 5.3 Flash (open weights).