Antimatter
Qwen

Qwen3.5-Flash

qwen/qwen3.5-flash-02-23

The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency.

$0.0715 in · $0.286 out per 1M tokens1M contextFeb 25, 2026

about 0.02¢ a message

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

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

Price, billed here

Input, per 1M tokens
$0.0715provider $0.065
Output, per 1M tokens
$0.286provider $0.26
Margin
+10%

Context and formats

Context window
1,000,000 tokens
Longest answer
65,536 tokens
Reads
text, images, and video
Makes
text
First listed
2026-02-25

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-flash-02-23.

The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. Compared to the...

In Qwen'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": "qwen/qwen3.5-flash-02-23", "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.

Qwen3.5-Flash price on Antimatter
<a href="https://useantimatter.com/planet/qwen/qwen3.5-flash-02-23"><img src="https://useantimatter.com/api/badge/price?id=qwen%2Fqwen3.5-flash-02-23" alt="Qwen3.5-Flash price on Antimatter" height="28"></a>

Closest in price and memory, from other labs.

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