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Qwen3.5-27B

Reasoning modelQwen3.5

Qwen3.5-27B

Release date: 2026-02-25Updated: 2026-03-08 21:06:202,526
Parameters
27B
Context length
1010K
Chinese support
Supported
Reasoning ability

Qwen3.5-27B is an AI model published by Alibaba, released on 2026-02-25, for Reasoning model, with 27B parameters, and 1010K context length, requiring about 55.6 GB storage, under the Qwen License license, with a 1899.00 score on CodeForces.

Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology

Qwen3.5-27B

Model basics

Reasoning traces
Supported
Thinking modes
Thinking Level · Extended (Default)Standard Mode
Context length
1010K tokens
Max output length
248320 tokens
Model type
Reasoning model
Modality (in / out)
No data
Release date
2026-02-25
Model file size
55.6 GB
MoE architecture
No
Total params / Active params
27B / N/A
Knowledge cutoff
No data
Qwen3.5-27B

Open source & experience

Code license
Weights license
Qwen License- 免费商用授权
Qwen3.5-27B

Official resources

DataLearnerAI blog
No blog post yet
Qwen3.5-27B

API details

API speed
4/5
No public API pricing yet.
Qwen3.5-27B

Benchmark Results

Qwen3.5-27B currently shows benchmark results led by Pinch Bench (2 / 37, score 90), IF Bench (4 / 30, score 76.50), MMLU Pro (18 / 126, score 86.10). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.

Thinking
Tool usage
Internet

General Knowledge

5 evaluations
Benchmark / mode
Score
Rank/total
C-Eval
Thinking Mode
90.50
6 / 9
MMLU Pro
Thinking Mode
86.10
18 / 126
GPQA Diamond
Thinking Mode
85.50
51 / 182
HLE
Thinking Mode
24.30
101 / 168
HLE
Thinking ModeTools
48.50
31 / 168

Coding and Software Engineer

3 evaluations
Benchmark / mode
Score
Rank/total
CodeForces
Thinking Mode
1899
15 / 16
LiveCodeBench
Thinking ModeTools
80.70
27 / 120
SWE-bench Verified
Thinking Mode
72.40
51 / 110

Multimodal Understanding

2 evaluations
Benchmark / mode
Score
Rank/total
MMMU
Thinking Mode
82.30
8 / 28
SimpleVQA
Thinking Mode
56
2 / 2

Agent Level Benchmark

1 evaluations
Benchmark / mode
Score
Rank/total
τ²-Bench
Thinking ModeTools
79
17 / 40

Instruction Following

1 evaluations
Benchmark / mode
Score
Rank/total
IF Bench
Thinking Mode
76.50
4 / 30

AI Agent - Information Search

2 evaluations
Benchmark / mode
Score
Rank/total
BrowseComp
Thinking ModeToolsInternet
61
32 / 51
BrowseComp
Thinking ModeTools
61
32 / 51

AI Agent - Tool Usage

2 evaluations
Benchmark / mode
Score
Rank/total
OSWorld-Verified
Thinking ModeTools
56.20
17 / 20
Terminal Bench 2.0
Thinking ModeTools
41.60
42 / 46

Long Context

2 evaluations
Benchmark / mode
Score
Rank/total
AA-LCR
Thinking Mode
66.10
8 / 14
LongBench v2
Standard Mode
60.60
7 / 11

Claw-style Agent Evaluation

2 evaluations
Benchmark / mode
Score
Rank/total
Pinch Bench
Thinking ModeTools
90
2 / 37
Claw Bench
Thinking ModeTools
75.20
26 / 29

Compare with other models

Qwen3.5-27B

Publisher

Qwen3.5-27B

Model Overview

Qwen3.5-27B is an AI model published by Alibaba, released on 2026-02-25, for Reasoning model, with 27B parameters, and 1010K context length, requiring about 55.6 GB storage, under the Qwen License license, with a 1899.00 score on CodeForces.

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