the chart
OpenAI

GPT-6.1 Terra Pro (batch)

openai/gpt-6.1-terra-pro:batch

Holders first until 2026-11-03

about 0.2¢ a message

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

$0.55 per 1M tokens you send$2.75 per 1M tokens it writesreads 1M tokens at once

Published capabilitiesreads imagestool callingjson schema

GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more...

In OpenAI's words.

Whatever it says appears here.

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

Context window
1,050,000 tokens
Longest answer
128,000 tokens
Input, per 1M tokens
$0.55upstream $0.50
Output, per 1M tokens
$2.75upstream $2.50
Cached input, per 1M
$0.0275upstream $0.025
Cache write, per 1M
$0.6875upstream $0.625
Margin
+10%
Reads
text and images
First listed
2026-10-26

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-6.1-terra-pro:batch.

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-6.1-terra-pro:batch", "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-6.1 Terra Pro (batch) price on Antimatter
<a href="https://useantimatter.com/planet/openai/gpt-6.1-terra-pro%3Abatch"><img src="https://useantimatter.com/api/badge/price?id=openai%2Fgpt-6.1-terra-pro%3Abatch" alt="GPT-6.1 Terra Pro (batch) 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.

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