qwen/qwen3.5-9bQwen3.5-9B is Alibaba’s open-weights AI model, released Feb 24, 2026. It costs $0.10/M input and $0.15/M output tokens, and handles a 262K-token context window.
Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture.
Scores on standardized evaluations. Higher is better — and rank shows where Qwen3.5-9B lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Frontier of human expert knowledge
Scientific research coding
Command-line agentic tasks
Tool-agent-user reliability
Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture.
Qwen3.5-9B is an AI model developed by Alibaba, part of the Qwen family, released Feb 24, 2026.
Qwen3.5-9B is served from $0.10 per million input tokens and $0.15 per million output tokens (cheapest credible provider on OpenRouter: SiliconFlow).
Qwen3.5-9B supports a context window of up to 262K tokens.
On standardized evaluations tracked by Epoch AI, Qwen3.5-9B scores 86.8% on τ²-bench, 80.6% on GPQA Diamond, 14.9% on Humanity's Last Exam.
Qwen3.5-9B 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.