Qwen3.5-27B (Reasoning)
by Alibaba Cloud / Qwen Team
Qwen3.5-27B (Reasoning) is a reasoning model from Alibaba Cloud / Qwen Team, released on February 24, 2026. It has a 262K-token context window and can generate up to 262K output tokens. API pricing is $0.26 per 1M input tokens and $2.6 per 1M output tokens.
Qwen3.5-27B is a multimodal dense foundation model with 27 billion parameters. It combines strong reasoning, coding, multilingual, long-context, and visual understanding performance in a production-friendly open-weight package with a native 262K context window.
Key specs
| Provider | Alibaba Cloud / Qwen Team |
|---|---|
| Release date | 2026-02-24 |
| License | open source |
| Context window | 262K tokens |
| Max output | 262K tokens |
| Input price | $0.26 / 1M tokens |
| Output price | $2.6 / 1M tokens |
| Intelligence Score | 33.8 |
| Coding index | 16.6 |
| Output speed | 45 tokens/s |
| Time to first token | 4.46 s |
Quick answers
What is the context window of Qwen3.5-27B (Reasoning)?
Qwen3.5-27B (Reasoning) has a context window of 262K tokens, with a maximum output of 262K tokens per response.
How much does Qwen3.5-27B (Reasoning) cost?
Qwen3.5-27B (Reasoning) costs $0.26 per 1M input tokens and $2.6 per 1M output tokens through the API.
Is Qwen3.5-27B (Reasoning) open source?
Yes. Qwen3.5-27B (Reasoning) is an open model released under the open source license.
When was Qwen3.5-27B (Reasoning) released?
Alibaba Cloud / Qwen Team released Qwen3.5-27B (Reasoning) on February 24, 2026.
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