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
CheaperClaude Fable 5.1xhigh+92%-65%$5.98Replace forced tool_choice+5BetterGPT-6 Lunamax+20%-100%$0.068Function calling only with none · Chat Completions+3
OpenGLM 5.3 Flashmax+29%-100%$0.28Defaults to max · Self-hosted+4CheaperClaude Opus 5.5max+89%-86%$5.98No forced tool use+5CheaperGPT-6 Astrahigh+89%-65%$1.73Monitoring can return HTTP 403+2ModelScoreCostPer taskWhat changes
Claude Fable 5.1xhigh+92%-65%$5.98Replace forced tool_choice+5Claude Opus 5.5max+89%-86%$5.98No forced tool use+5GPT-6 Astrahigh+89%-65%$1.73Monitoring can return HTTP 403+2
Gemini 4 Argonhigh+88%-93%*$1.99Synchronous output stops at 65,536+2GPT-6.1 Solmax+88%-93%$0.72Remove unsupported parameters+5ModelScoreCostPer taskWhat changes
GPT-6 Lunamax+20%-100%$0.068Function calling only with none · Chat Completions+3Claude Haiku 5.5xhigh+25%-100%$0.12Remove sampling parameters+5GPT-6.1 Sollow+50%-93%$0.13Remove unsupported parameters+5GPT-5.6 Lunamax+16%-99%$0.18GLM 5.3 FlashmaxOpen+29%-100%$0.28Defaults to max · Self-hosted+4ModelScoreCostPer taskWhat changes
GLM 5.3 FlashmaxOpen+29%-100%$0.28Defaults to max · Self-hosted+4
DeepSeek V4 Pro 0813highOpen+23%-97%$1.32 / $3.96No image input+5
Kimi K3maxOpen+19%-90%$2.00Sampling parameters are fixed+3TInkling SmallxhighOpen-24%-99%$0.45 / $1.20Context: 400K → 256K+1
Qwen3.8 27BxhighOpen-25%-98%$1.01Context: 400K → 262K+5ModelScoreCostPer taskWhat changes
GPT-6 Astrahigh+89%—$1.73Monitoring can return HTTP 403+2GPT-6.1 Solhigh+85%—$0.32Remove unsupported parameters+5GPT-5.4 Proxhigh+78%—$30 / $180No strict JSONGPT-5.5 Prohigh+74%—$30 / $180GPT-5.6 Solhigh+67%—$0.81GPT-5.5high+59%—$1.54Prompts with >272K input tokensGPT-5.4high+47%—$2.50 / $15GPT-5.6 Terrahigh+43%—$0.34Prompts with >272K input tokensAll 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 Grok 4.5?›
On ARC-AGI-2 · public evaluation, GPT-5.2 Pro scores 51.7 vs 58.2 — 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?›
Claude Fable 5.1 (cheaper), GPT-6 Luna (better), GLM 5.3 Flash (open weights).