Context
400K
Input
text, image
Output
text
Tool calling
Supported
About this model
OpenAI's flagship GPT-5.2 Pro model, Designed for professional knowledge work and agentic workflows, exclusive 'xhigh' reasoning effort, and top-tier performance on complex reasoning, coding, and scientific benchmarks.
Input modalities
text
Accepted as model input
image
Accepted as model input
Providers
Available routing options for this model through OneInfer.
Available
Input tokens
$21.000 / 1M tokens
Output tokens
$168.000 / 1M tokens
Routing
OneInfer optimized
Pricing
Current OneInfer pricing for this model.
| Usage | Price |
|---|---|
| Input tokens | $21.000 / 1M tokens |
| Output tokens | $168.000 / 1M tokens |
Performance
Published evaluation results associated with this model.
reasoning_and_knowledge
gdpval74.1
gpqa_diamond93.2
arc_agi90.5
frontier_math_tier_1_340.3
API example
curl https://api.oneinfer.ai/v1/ula/chat/completions \
-H "Authorization: Bearer $JWT_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-5.2-pro",
"messages": [
{ "role": "user", "content": "Hello!" }
]
}'