Antimatter
Qwen

Qwen3.5 397B A17B

qwen/qwen3.5-397b-a17b

The Qwen3.5 series 397B-A17B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency.

$0.66 in · $3.96 out per 1M tokens262k contextFeb 16, 2026

about 0.2¢ a message

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

Chat with Qwen3.5 397B A17B
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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
$0.66provider $0.60
Output, per 1M tokens
$3.96provider $3.60
Cached input, per 1M
$0.132provider $0.12
Margin
+10%

Context and formats

Context window
262,144 tokens
Longest answer
64,000 tokens
Reads
text, images, and video
Makes
text
First listed
2026-02-16

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=qwen/qwen3.5-397b-a17b.

About

The Qwen3.5 series 397B-A17B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. It delivers...

In Qwen'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": "qwen/qwen3.5-397b-a17b", "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.

Qwen3.5 397B A17B price on Antimatter
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