qwen/qwen3.5-27bQwen3.5-27B is Alibaba’s open-weights AI model, released Feb 24, 2026. It costs $0.20/M input and $1.56/M output tokens, and handles a 262K-token context window. Its strongest use case is agentic & tools, where it ranks in the 71st percentile of the models Model Beat tracks.
The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance.
Scores on standardized evaluations. Higher is better — and rank shows where Qwen3.5-27B lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Frontier of human expert knowledge
Novel ML problem-solving
Scientific research coding
Human-rated web development
Tool-agent-user reliability
The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance.
Qwen3.5-27B is an AI model developed by Alibaba, part of the Qwen family, released Feb 24, 2026.
Qwen3.5-27B's list price from Alibaba is $0.20 per million input tokens and $1.56 per million output tokens.
Qwen3.5-27B supports a context window of up to 262K tokens.
On standardized evaluations tracked by Epoch AI, Qwen3.5-27B scores 93.9% on τ²-bench, 85.8% on GPQA Diamond, 23.9% on Humanity's Last Exam.
Qwen3.5-27B is released with open weights (Open weights (restricted use)), so the model can be downloaded and self-hosted.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Aug 20, 2026.