Qwen 4 is a multimodal AI model developed by Alibaba with 480 billion parameters.

Is Qwen 4 open source?

Yes, Qwen 4 has open weights and can be downloaded and self-hosted.

What is Qwen 4's context window?

Qwen 4 supports a context window of 200,000 tokens.

Qwen 4

AlibabaMULTIMODAL Open weight

Provider: Alibaba
Modality: MULTIMODAL
Parameters: 480B
Context window: 200,000 tokens
Weights: Open
Released: 11 Aug 2026

Compare Qwen 4 with others

Qwen 4 (August 2026) is Alibaba's latest open-weight model family, spanning small on-device sizes up to a large flagship — strong at coding and math, with native support for 100+ languages including deep Indic-language coverage.

Best for

Self-hosting on your own hardware — full range of open weights, small to large
Coding and math-heavy tasks at low cost
Multilingual apps needing strong Hindi and other Indic-language support
Developers who want to fine-tune an open model for a specific use case

How it compares — and the India angle

Like Kimi K3 and Mistral Large 3, Qwen 4 is open-weight — India's growing self-hosted AI scene has three strong free options to choose from now.
The smaller Qwen 4 variants run on modest consumer GPUs, useful for developers without big cloud budgets.
Available on Hugging Face, ModelScope, via the Qwen API, and through Alibaba Cloud.

Benchmarks

Representative public scores (approximate, higher is better) for relative comparison. Check the provider for the latest official results.

MMLU85.7

HumanEval91.2

AIME78.5

How to access

Open weights, free to self-host. Hosted API roughly $0.40 / 1M input, $1.60 / 1M output. Via Hugging Face, ModelScope, Qwen API, Alibaba Cloud.

Access Qwen 4