Qwen/Qwen3.5-4B
Parameters4.7B
Context256K
Input → outputimage + text → text
Licenseapache-2.0
PrecisionBF16
ArchitectureQwen3_5ForConditionalGeneration
ReleasedFeb 27, 2026
Downloads7.9M
Based on Qwen/Qwen3.5-4B-Base
Other sizes and formats in the family
| Model | Params | Precision | Downloads |
|---|---|---|---|
| Qwen/Qwen3.5-397B-A17B-GPTQ-Int4gptq | 397B | – | 2.7K |
| Qwen/Qwen3.5-122B-A10B-FP8fp8 | 125B | F8_E4M3 | 436.9K |
| Qwen/Qwen3.5-122B-A10B | 125B | BF16 | 699.1K |
| Qwen/Qwen3.5-122B-A10B-GPTQ-Int4gptq | 125B | I32 | 368.1K |
| Qwen/Qwen3.5-35B-A3B-FP8fp8 | 36B | F8_E4M3 | 1.3M |
| Qwen/Qwen3.5-35B-A3B-GPTQ-Int4gptq | 36B | I32 | 260.5K |
| Qwen/Qwen3.5-27B-FP8fp8 | 27.8B | F8_E4M3 | 149.7K |
| Qwen/Qwen3.5-27B-GPTQ-Int4gptq | 27.8B | I32 | 17.5K |
| Qwen/Qwen3.5-9B | 9.7B | BF16 | 7.8M |
| Qwen/Qwen3.5-9B-Base | 9.7B | BF16 | 373.7K |
| Qwen/Qwen3.5-4B-Base | 4.7B | BF16 | 739.3K |
| Qwen/Qwen3.5-2B | 2.3B | BF16 | 2.8M |
| Qwen/Qwen3.5-2B-Base | 2.3B | BF16 | 315.3K |
| Qwen/Qwen3.5-0.8B | 873M | BF16 | 3.1M |
| Qwen/Qwen3.5-0.8B-Base | 873M | BF16 | 484K |
Built on this model
| Model | Params | Precision | Downloads |
|---|---|---|---|
| nvidia/NV-Reason-CT | 5.3B | BF16 | 6.4K |
| Qwen/Qwen-Drive-1.0-4B | 4.5B | BF16 | 5.6K |
| microsoft/Fara1.5-4B | 4.5B | BF16 | 1.5K |
| allenai/tmax-4b | 4.2B | BF16 | 448 |
| microsoft/UserRepGen-4B | 4.5B | BF16 | 0 |
This release in the news
No coverage of this exact release yet.
Recent news about Qwen
- Oct 19, 2026 · Opinion / analysisA bare IPython harness ties production coding agents with Qwen3.5-9B on TB-Lite, and tool-output normalization fixed most of the run-to-run variance
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- Oct 19, 2026 · Opinion / analysisBasic Workflow Simple Prompt Testing: Krea2 vs MOSS vs Qwen2.1 vs Flux3
- Oct 19, 2026 · Opinion / analysisCalling all GPUs: help us benchmark SonicBoom v0.0.3 — a compiler-first AI runtime that beats llama.cpp on decode
- Oct 19, 2026 · Model releaseNemotron 3.5 Bolt, Muse Spark Open, and a Fast LFM2.5 24B
- Oct 19, 2026 · Opinion / analysisMOSS Character LoRas
- Oct 19, 2026 · Opinion / analysisA comparison of 6 open source models. Krea2, Qwen2.1, Flux3 Klein, Flux 2 Klein, ZIT, & Moss. Same prompt used for all.
- Oct 18, 2026 · Opinion / analysisLittle Sweet Room Challenge | Strata Fork | Qwen 3.8 FN NVFP4 | DeepSeek Harness