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Moondream

Moondream 3.1

moondream/moondream3.1-9b-a2b

Holders first until 2026-10-22

about 0.2¢ a message

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

$0.33 per 1M tokens you send$2.75 per 1M tokens it writesreads 32k tokens at once

Published capabilitiesreads images
Chat with Moondream 3.1Call it from codeLock this price

About

Moondream 3.1 is a vision-language model from Moondream, the successor to Moondream 3 Preview, with 9B total parameters and 2B active (mixture-of-experts). It handles visual question answering, captioning, OCR, and...

In Moondream's words.

Try it here

Whatever it says appears here.

Published facts

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

Context window
32,000 tokens
Longest answer
4,096 tokens
Input, per 1M tokens
$0.33upstream $0.30
Output, per 1M tokens
$2.75upstream $2.50
Margin
+10%
Reads
text and images
First listed
2026-10-15

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=moondream/moondream3.1-9b-a2b.

Call it

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": "moondream/moondream3.1-9b-a2b", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

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.

Moondream 3.1 price on Antimatter
<a href="https://useantimatter.com/planet/moondream/moondream3.1-9b-a2b"><img src="https://useantimatter.com/api/badge/price?id=moondream%2Fmoondream3.1-9b-a2b" alt="Moondream 3.1 price on Antimatter" height="28"></a>

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