Qwen3.6 27B
Qwen3.6 27B is Alibaba's flagship dense coding model, using Gated Delta Networks hybrid attention and a Thinking Preservation option across turns.
Model Overview
Capabilities, design details, and architectural traits
Qwen3.6 27B - Flagship-Level Coding in a Dense Model
Qwen3.6 27B is described by Qwen's own release title as flagship-level coding in a dense model. It is positioned as the dense counterpart to the Qwen3.6 Mixture-of-Experts models, built for coding and agentic work rather than as a smaller, lesser sibling.
| Trait | Detail |
|---|---|
| Defining identity | Documented by Qwen's own release title as flagship-level coding in a dense model, positioned alongside its Mixture-of-Experts siblings rather than below them. |
| Dense architecture | Every parameter is active on each forward pass, unlike its Mixture-of-Experts siblings in the same Qwen3.6 family. |
| Gated Delta Networks attention | Uses the same Gated Delta Networks hybrid attention architecture as its MoE siblings, applied here in a fully dense form. |
| Thinking Preservation | Introduces a documented Thinking Preservation option that retains reasoning context from historical messages across turns, reducing overhead in iterative development. |
Built for Frontend and Repository-Level Coding Work
Qwen documents this generation as handling frontend workflows and repository-level reasoning with greater fluency and precision, as part of its focus on agentic coding tasks.
Benchmark Performance
Independent evaluations · Artificial Analysis
Accuracy & Capability Details
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| Model Details | |||
|---|---|---|---|
| General Info | |||
| Provider | Alibaba | Anthropic | Anthropic |
| Release Date | April 22, 2026 | September 22, 2026 | September 28, 2026 |
| Knowledge Cutoff | - | - | Jun 2026 |
| Context & Limits | |||
| Context Window | 262K | 1M Best Context Window | 1M Best Context Window |
| Pricing (per 1M tokens) | |||
| Input Pricing | $0.60 Best Input Pricing | $4 | $2 |
| Output Pricing | $3.60 Best Output Pricing | $20 | $10 |
| Modalities | |||
| Inputs | textimagevideo | textimagefile | textimagefile |
| Outputs | text | text | text |
| Benchmarks (0-100) | |||
| Intelligence Index | 19.8 | 57.6 Best Intelligence Index | 56.0 |
| Coding Index | 46.6 | - | - |
| Agentic Index | 23.6 | - | - |
Humanity's Last Exam
Extremely difficult logical reasoning and knowledge.
Long Context Reasoning
Logical reasoning over long context windows.
SciCode Benchmark
Scientific coding and mathematical modeling.
Independent evaluation data provided by Artificial Analysis. To view the latest benchmarks and full details, visit their official site.
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