OpenAI

OpenAI: GPT 5.2

openai/gpt-5.2
Context

400K

Input

text, image

Output

text

Tool calling

Supported

About this model

The standard 'Thinking' variant of OpenAI's GPT-5.2 model, released Dec 11, 2025. Excels at complex reasoning, coding, and multi-step projects. Optimized for professional knowledge work and serves as the balanced option between speed and capability in the GPT-5.2 family.

Input modalities

text

Accepted as model input

image

Accepted as model input

Providers

Available routing options for this model through OneInfer.

Available

Input tokens

$1.750 / 1M tokens

Output tokens

$14.000 / 1M tokens

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

UsagePrice
Input tokens$1.750 / 1M tokens
Output tokens$14.000 / 1M tokens
Cached input tokens$0.175 / 1M tokens

Performance & Benchmarks

Independent evaluations and live cluster operational metrics

We haven’t measured this model yet. Published academic results are under Academic Evaluations.

API Guide

API docs
  1. 1

    Generate your access token

    Use your API key to generate the JWT access token required by the Models API.

  2. 2

    Add the JWT token

    Copy the generated JWT token and replace JWT_TOKEN in the example below.

  3. 3

    Check your credits

    If your balance is too low, before calling the model.

  4. 4

    Run the API example

    Choose your preferred language, copy the example, and send your first model request.

    curl https://staging-api.oneinfer.ai/v1/ula/chat/completions \
      -H "Authorization: Bearer $JWT_TOKEN" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "openai/gpt-5.2",
        "messages": [
          { "role": "user", "content": "Hello!" }
        ]
      }'

Community Model Reviews & Ratings

Verified visitor & developer evaluations on OpenAI: GPT 5.2's real-world intelligence, code accuracy, and speed

4.8
Community consensus rating
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