the chart
MiniMax

MiniMax M3.1 Flash (free)

minimax/minimax-m3.1-flash:free

Holders first until 2026-10-26

Free

$0 per 1M tokens you send$0 per 1M tokens it writesreads 1M tokens at once

Published capabilitiesreads imagestool callingjson schema
Chat with MiniMax M3.1 Flash (free)Call it from code

About

MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity. It is built for complex,...

In MiniMax'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
1,000,000 tokens
Longest answer
524,288 tokens
Input, per 1M tokens
$0
Output, per 1M tokens
$0
Margin
none
Reads
text and images
First listed
2026-10-19

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=minimax/minimax-m3.1-flash:free.

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": "minimax/minimax-m3.1-flash:free", "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.

MiniMax M3.1 Flash (free) price on Antimatter
<a href="https://useantimatter.com/planet/minimax/minimax-m3.1-flash%3Afree"><img src="https://useantimatter.com/api/badge/price?id=minimax%2Fminimax-m3.1-flash%3Afree" alt="MiniMax M3.1 Flash (free) price on Antimatter" height="28"></a>

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