TheRouter.aiTheRouter.ai
Back to Models

GPT-5.2

openaiopenai/gpt-5.2

OpenAI's best model for coding and agentic tasks across industries. Features a 400K context window with 128K max output, reasoning token support, and state-of-the-art long-context reasoning.

Context Length
400K
Max Output
128K
Input Price
$2.10/ 1M tokens
Output Price
$16.80/ 1M tokens

Modalities

textimage→text

Pricing Breakdown

TypeRate
Input$2.10 / 1M tokens
Output$16.80 / 1M tokens

Supported Parameters

temperaturemax_tokenstop_ptoolstool_choiceresponse_formatreasoningstop

API Usage Examples

cURL
curl https://api.therouter.ai/v1/chat/completions   -H "Content-Type: application/json"   -H "Authorization: Bearer $THE_ROUTER_API_KEY"   -d '{
    "model": "openai/gpt-5.2",
    "messages": [
      {"role": "user", "content": "Summarize the key points from this input."}
    ]
  }'