OpenAI

GPT-5.2 Mini

400K ctxTextImage Tools Reasoning

Released Jan 15, 2026 · 312B tokens this week · 2 providers

Overview

A cost-reduced GPT-5.2 that keeps most of the reasoning quality for a fraction of the price. Well suited to high-volume classification, extraction and everyday chat. Exposes the same tool-calling interface as the flagship, so swapping between them is a one-line change.

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Providers

Reference data — not yet measured from live traffic

PROVIDERMAX OUTOUTPUT /MQUANT
OpenAICheapest
400K128K$0.30$2.40208ms14099.93%Full
Azure AI Foundry
400K128K$0.32$2.54520ms11899.76%Full

Latency p50 reflects a provider’s API endpoint responsiveness — the round-trip to its API, not per-token inference time. These figures, with throughput and uptime, are reference data until the gateway aggregates its own traffic.

Price comparison

Blended $ per 1M tokens

GPT-5.2 Mini$1.88

Blended rate per 1M tokens, weighted one part prompt to three parts completion — roughly the shape of a chat workload. Your mix will move the number.

Call it

OpenAI-compatible — swap the base URL and go

curl https://model.cards/api/v1/chat/completions \
  -H "Authorization: Bearer $MODELCARDS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.2-mini",
    "messages": [
      { "role": "user", "content": "Summarize the tradeoffs of speculative decoding." }
    ]
  }'