Antimatter
Google

Gemini 4 Carbon

google/gemini-4-carbon

Gemini 4 Carbon is a frontier Gemini 4 model from Google for coding, agentic and complex reasoning work.

$2.20 in · $11.00 out per 1M tokens1M contextNov 10, 2026

about 0.7¢ a message

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

Also:latestbatch

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens
$2.20provider $2.00
Output, per 1M tokens
$11.00provider $10.00
Cached input, per 1M
$0.11provider $0.10
Cache write, per 1M
$0.20625provider $0.1875
Margin
+10%

Context and formats

Context window
1,048,576 tokens
Longest answer
943,718 tokens
Reads
text, images, audio, files, and video
Makes
text
First listed
2026-11-10

Measured here, last 7 days

First token, median
not measured
Answered without error
not measured

Tools and JSON

Tool calling
declaredthe provider's claim, not yet measured here
JSON output
declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=google/gemini-4-carbon.

Gemini 4 Carbon is a frontier Gemini 4 model from Google for coding, agentic and complex reasoning work. It takes text, image, audio, video and file input, supports long decode...

In Google's words.

The answer appears here.

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "google/gemini-4-carbon", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

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

Gemini 4 Carbon price on Antimatter
<a href="https://useantimatter.com/planet/google/gemini-4-carbon"><img src="https://useantimatter.com/api/badge/price?id=google%2Fgemini-4-carbon" alt="Gemini 4 Carbon price on Antimatter" height="28"></a>

Closest in price and memory, from other labs.

Go back to the map, or take this model into a chat.