qwen3-4b by openrouter - AI Model Details, Pricing, and Performance Metrics

qwen

qwen3-4b

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byopenrouter

Qwen3-4B is a 4 billion parameter dense language model from the Qwen3 series, designed to support both general-purpose and reasoning-intensive tasks. It introduces a dual-mode architecture—thinking and non-thinking—allowing dynamic switching between high-precision logical reasoning and efficient dialogue generation. This makes it well-suited for multi-turn chat, instruction following, and complex agent workflows.

Released
Aug 6, 2025
Knowledge
Feb 7, 2025
Context
131072
Input
$0.07 / 1M tokens
Output
$0.27 / 1M tokens
Capabilities: tools, reasoning
Accepts: text
Returns: text

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Category Scores

Benchmark Tests

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HLE
5.9
General Knowledge
GPQA
66.7
STEM (Physics, Chemistry, Biology)
SciCode
25.6
Scientific
MMLU-Pro
74.3
General Knowledge
LiveCodeBench
64.1
Programming
AA Math Index
82.7
Mathematics
AA Coding Index
9.5
Programming
AAII
18.6
General

Code Examples

Integration samples and API usage