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Qwen3.5 27B

About

Alibaba's Qwen3.5-27B is a dense 27-billion parameter model released February 24, 2026. Part of the Qwen3.5 series with a 262K native context window (extendable to ~1M tokens). Competitive with Claude Sonnet 4.5 on visual reasoning and matches GPT-5 mini on SWE-bench Verified (72.4%). Runs efficiently on consumer hardware. Open-source under Apache 2.0.

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

Benchmark Scores(1)

BenchmarkScoreVersionSource
Google-Proof Q&A85.8diamondhttps://pricepertoken.com/leaderboards/benchmark/gpqa

Rankings

Specifications

FamilyQwen 3.5
Released2026-02-24
Parameters27B
Context262K
ArchitectureDecoder Only

Created by

AI research institute of Alibaba Group.

Hangzhou, Zhejiang, China
Founded 2017
Website