Antimatter
Mistral

Mistral Medium 3.5 (batch)

mistralai/mistral-medium-3-5:batch

Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI.

$0.825 in · $4.125 out per 1M tokens262k contextApr 30, 2026

about 0.2¢ a message

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

Chat with Mistral Medium 3.5 (batch)
Call it from codeLock this price

Also:Mistral Medium 3.5

Spec sheet

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

Price, billed here

Input, per 1M tokens
$0.825provider $0.75
Output, per 1M tokens
$4.125provider $3.75
Margin
+10%

Context and formats

Context window
262,144 tokens
Longest answer
209,715 tokens
Reads
text, images, and files
Makes
text
First listed
2026-04-30

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=mistralai/mistral-medium-3-5:batch.

About

Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...

In Mistral's words.

Try it here

The answer appears here.

Measured here

Call it

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": "mistralai/mistral-medium-3-5:batch", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

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.

Mistral Medium 3.5 (batch) price on Antimatter
<a href="https://useantimatter.com/planet/mistralai/mistral-medium-3-5%3Abatch"><img src="https://useantimatter.com/api/badge/price?id=mistralai%2Fmistral-medium-3-5%3Abatch" alt="Mistral Medium 3.5 (batch) price on Antimatter" height="28"></a>

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