Qwen
Alibaba's open-source frontier chat model — strong code and Chinese-language performance.
Visit Qwen Free (open source), API from $0.20/M
What is Qwen?
Qwen3 (released 2026) is Alibaba's frontier open-source LLM family, with sizes from 1.5B to 405B parameters. Tops some Chinese-language benchmarks, competitive with Llama 4 on code, and free to self-host or use via Alibaba Cloud.
Key features
- Open weights (Apache 2.0)
- Sizes from 1.5B to 405B
- Strong on Chinese + multilingual
- Native tool use + reasoning mode
- Vision and code variants
Pros
- Genuinely open source — self-hostable
- Top of open-weight code benchmarks
- Pricing on Alibaba Cloud is rock-bottom
Cons
- English creative writing weaker than Claude
- Data-policy concerns for Western enterprises
- Tooling docs mostly Chinese-first
Best for
Developers self-hosting open LLMsChinese-language applicationsCost-sensitive RAG systemsResearchers comparing open vs closed
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