Qwen: Qwen3.5-27B

Image input Text input Video input Text output
Author's Description

The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance. Its overall capabilities are comparable to those of the Qwen3.5-122B-A10B.

Key Specifications
Cost
$$$$$
Context
262K
Parameters
27B
Released
Feb 25, 2026
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Presence Penalty Tools Logprobs Temperature Seed Reasoning Include Reasoning Response Format Structured Outputs Top Logprobs Top P Tool Choice Max Tokens
Features

This model supports the following features:

Reasoning Structured Outputs Tools Response Format
Performance Summary

Qwen3.5-27B, a vision-language model from qwen, demonstrates exceptional speed and competitive pricing. It consistently ranks among the fastest models and offers some of the most competitive pricing across multiple benchmarks. The model exhibits strong reliability with an 88% success rate, indicating few technical issues. In terms of performance across benchmarks, Qwen3.5-27B shows notable strengths in specific areas. It achieves a high 94.0% accuracy in Hallucinations (Baseline), effectively acknowledging uncertainty, and an impressive 98.0% accuracy in Email Classification, demonstrating strong contextual understanding. Its Instruction Following capabilities are also robust, scoring 80.0% accuracy. However, the model currently shows significant weaknesses in more complex cognitive domains, scoring 0.0% accuracy in General Knowledge, Coding, Reasoning, Ethics, and Mathematics. This suggests that while it excels in tasks requiring pattern recognition, classification, and avoiding factual errors, it struggles with tasks demanding deep understanding, logical inference, and problem-solving in specialized fields.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.3
Completion $2.4

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Alibaba
Alibaba | qwen/qwen3.5-27b-20260224 262K $0.3 / 1M tokens $2.4 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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