Qwen3.5 0.8B

byQwen
Official docs

Qwen3.5 0.8B is a language model from Qwen released on Mar 2, 2026. It reads text and writes text, with a 33K token context window and up to 8K tokens per reply.

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It costs $0 per million input tokens and $0 per million output tokens.

It supports tool calling, and its weights are open, so you can host it yourself.

Modalities
In / out price
$0 / $0 per 1M
Context
33K
Max output
8K
Released
Mar 2, 2026
Knowledge cutoff
n/a
  • Tool calling
  • Structured output
  • Reasoning
  • Prompt caching
  • Open weights
  • Free to use

Qwen3.5 0.8B pricing

USD, as listed on Oct 22, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.

Input$0 / 1M tokens
Output$0 / 1M tokens

What Qwen3.5 0.8B costs per month

Pick a workload close to yours or type your own volumes.

Qwen3.5 0.8B per month
$0
Without caching
$0
Per request
$0

Supported request parameters

What you can set when you call Qwen3.5 0.8B through an OpenAI compatible API.

  • Toolstools
  • Temperaturetemperature

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Qwen3.5 0.8B questions

How much does the Qwen3.5 0.8B API cost?

$0 per million input tokens and $0 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.

What is the context window of Qwen3.5 0.8B?

32,768 tokens of input, and it can write up to 8,192 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.

Does Qwen3.5 0.8B support tool calling?

Yes. It accepts tool definitions, which is what an agent needs to call your APIs.

Is Qwen3.5 0.8B open source?

Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.

When was Qwen3.5 0.8B released?

Mar 2, 2026.

Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 22, 2026. The summary is written from these facts.