Qwen3-4B | Epoch AI

ECI

N/A

Alibaba

Apr. 29, 2025

Open weights

Qwen3-4B is an open-weights model from Alibaba, released April 29, 2025.

Input price—

Output price—

Parameters4.0e9

Training compute8.6e23 FLOP

Qwen3-4B vs select alternatives

Domain	Benchmark	Qwen3-4B Alibaba Apr. 29, 2025 Open weights	o3 OpenAI Apr. 16, 2025 Closed weights	Gemini 2.5 Pro (Mar 2025) Google DeepMind Mar. 31, 2025 Closed weights	Claude 3.7 Sonnet Anthropic Feb. 24, 2025 Closed weights
Games	Chess PuzzlesBest score 72.0%	1.0%	38.0%	n/a	n/a
Science	GPQA DiamondBest score 95.8%	52.3%	81.8%	83.8%	78.5%

Model metadata

General
Organization	Alibaba
Release date	Apr. 29, 2025
Model accessibility	Open weights
Country	China
Knowledge cutoff	Unknown
Provider notes	Qwen3: Think Deeper, Act Faster

Pricing
Input price	—
Output price	—

Training
Parameters	4.0e9
Training compute	8.6e23 FLOP
Training hardware	Unknown
Training time	Unknown
Training dataset size	Unknown