the chart
OpenAI

gpt-5.2-chat-latest

openai/gpt-5.2-chat-latest

Holders first until 2026-10-28

about 0.9¢ a message

A typical message: about 500 tokens you send and 500 it writes.

$1.925 per 1M tokens you send$15.40 per 1M tokens it writesreads 128k tokens at once

Published capabilitiesreads images
Whatever it says appears here.

What the upstream's catalog says about this world, with its price as billed here.

Context window
128,000 tokens
Input, per 1M tokens
$1.925upstream $1.75
Output, per 1M tokens
$15.40upstream $14.00
Cached input, per 1M
$0.1925upstream $0.175
Margin
+10%
Reads
text and images

Speed and reliability measured on this gateway join these once this world has served requests through Antimatter.

Price and latency history as JSON: GET /api/planet/history?id=openai/gpt-5.2-chat-latest.

One OpenAI compatible endpoint, this model's id, and an am_live_ key from the dashboard. Or try it in chat first, no key needed.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "openai/gpt-5.2-chat-latest", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

A badge with this world's live price per million tokens, as billed here, for a README or a site. It links back to this page.

gpt-5.2-chat-latest price on Antimatter
<a href="https://useantimatter.com/planet/openai/gpt-5.2-chat-latest"><img src="https://useantimatter.com/api/badge/price?id=openai%2Fgpt-5.2-chat-latest" alt="gpt-5.2-chat-latest price on Antimatter" height="28"></a>

Closest in price and memory, from other vendors.

Head back to the galaxy, or carry this world into a thread.

Antimatter