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Qwen3.5 Plus 2026-02-15Work with me

Qwen3.5 Plus 2026-02-15

byQwen

Qwen3.5 Plus 2026-02-15 is a reasoning model from Qwen released on Feb 16, 2026. It reads text, images and video and writes text, with a 1M token context window and up to 66K tokens per reply.

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It costs $0.26 per million input tokens and $1.56 per million output tokens.

It supports tool calling and structured JSON output.

Modalities
In / out price
$0.26 / $1.56 per 1M
Context
1M
Max output
66K
Released
Feb 16, 2026
Knowledge cutoff
n/a
  • Tool calling
  • Structured output
  • Reasoning
  • Prompt caching
  • Open weights
  • Free to use

Qwen3.5 Plus 2026-02-15 pricing

USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.

Input$0.26 / 1M tokens
Output$1.56 / 1M tokens

What Qwen3.5 Plus 2026-02-15 costs per month

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

Qwen3.5 Plus 2026-02-15 per month
$35.88
Without caching
$35.88
Per request
$0.0012

Supported request parameters

What you can set when you call Qwen3.5 Plus 2026-02-15 through an OpenAI compatible API.

  • Toolstools
  • Structured outputsstructured_outputs
  • Reasoningreasoning
  • Temperaturetemperature

Alternatives to Qwen3.5 Plus 2026-02-15

Models that take the same inputs and call tools, closest in price, cheaper ones first.

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    Index 29.2

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    by minimaxMay 31, 20261M context$0.30/M input tokens$1.20/M output tokens43 providers

  • Vivgrid: Gemini 3.1 Flash Lite Preview

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    by vivgridMar 3, 2026$0.25/M input tokens$1.50/M output tokens

  • Google: Gemini 3.1 Flash Lite Preview

    Reads text, images, files, audio and video. Tool calling, structured output, reasoning. Served by 10 providers.

    by googleMar 20, 2025$0.25/M input tokens$1.50/M output tokens10 providers

  • Qwen3.6 35B-A3B

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    by qwenApr 1, 2026$0.248/M input tokens$1.49/M output tokens36 providers

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All Qwen models

Qwen3.5 Plus 2026-02-15 questions

How much does the Qwen3.5 Plus 2026-02-15 API cost?

$0.26 per million input tokens and $1.56 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 Plus 2026-02-15?

1,000,000 tokens of input, and it can write up to 65,536 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.

Does Qwen3.5 Plus 2026-02-15 support tool calling?

Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.

Is Qwen3.5 Plus 2026-02-15 open source?

No. Qwen serves it through an API only, so you cannot download the weights or host it yourself.

When was Qwen3.5 Plus 2026-02-15 released?

Feb 16, 2026.

Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.

Building on Qwen3.5 Plus 2026-02-15?

I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.

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