Qwen3 — Open-source hybrid reasoning by Alibaba
Alibaba · Qwen

Qwen3

Open-source hybrid-reasoning AI from Alibaba

Qwen3 introduces hybrid reasoning combining thinking and non-thinking modes. The series includes six dense models and two MoE variants, all open-sourced globally and trained on 36 trillion tokens.

Key features

Qwen3 · AI Models

Context window 256K tokens
Released April 2025
Pricing Open weights · free
Key features

Qwen3

Qwen3 introduces hybrid reasoning combining thinking and non-thinking modes. The series includes six dense models and two MoE variants, all open-sourced globally and trained on 36 trillion tokens.

Key features

  • Hybrid reasoning with thinking and non-thinking modes.
  • Six dense (0.6B–32B) + two MoE (30B / 235B) variants.
  • Supports 119 languages.
  • Native Model Context Protocol (MCP) support.
Best for

Best for

Pick Qwen3 when you need an open-source multilingual AI you can self-host or fine-tune — great for research and on-prem deployments.

Frequently Asked Questions

How many languages does Qwen3 support?

Qwen3 supports 119 languages globally, making it one of the most linguistically broad open-source model families available.

What is hybrid reasoning in Qwen3?

Qwen3 supports both thinking mode (extended chain-of-thought for hard problems) and non-thinking mode (fast direct responses), which you can toggle per query.

Where can I download Qwen3?

Qwen3 weights are freely available on Hugging Face in multiple sizes from 0.6B to 235B parameters. All variants support commercial use under Alibaba's open licence.

Open Chat

Qwen3 introduces hybrid reasoning combining thinking and non-thinking modes. The series includes six dense models and two MoE variants, all open-sourced globally and trained on 36 trillion tokens.

Open Chat