Qwen: Qwen3 4B (free)

Qwen: Qwen3 4B (free)

qwen · Released Apr 30, 2025 Professional
Intelligence #10 / 565
82.0 Our Score
Speed #126 / 262
103.4 tokens / sec
Input
— Not priced
Output
— Not priced
Context #382 / 565
40,960 tokens

Analysis Summary

Qwen: Qwen3 4B (free) sits in the Professional tier on our leaderboard, ranked #10 of 565 published models on overall intelligence. At $0.000 input and $0.000 output per 1M tokens, it is among the most expensive on the market. It offers a mid-sized context window and supports tool use, function calling, and reasoning.

Editorial notes

Qwen3 4B is available free with tool use and function calling; reasoning is limited but the zero-cost access makes it viable for lightweight prototyping and low-stakes automation.

Assessed May 31, 2026

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence2.3Technical0Value0Content0
Intelligence 2.3/10
Technical 0/10
Content 0/10
Value 0/10

How Qwen: Qwen3 4B (free) compares

Qwen: Qwen3 4B (free) ranks #269 of 370 AI models we track for overall intelligence. Its 41K-token context window is larger than 32% of the models we list. Qwen: Qwen3 4B (free) is currently free to use via OpenRouter.

About Qwen: Qwen3 4B (free)

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.

4B Parameters

Capabilities

Tool Use Function Calling

Architecture Detail

Instruct Typeqwen3

Performance Indices

Source: Artificial Analysis

12.5 Intelligence Index

Benchmark Scores

Intelligence

GPQA Diamond 39.8% Graduate-level scientific reasoning
HLE 3.7% Humanity's Last Exam
MMLU Pro 58.6% Multi-task language understanding
MATH 500 84.3% Mathematical problem-solving
AIME 21.3% Competition mathematics
SciCode 16.7% Scientific computing

Technical

LiveCodeBench 23.3% Live coding evaluation

Benchmark data from Artificial Analysis and Hugging Face

How does Qwen: Qwen3 4B (free) stack up?

Compare side-by-side with other professional models.

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Model Information

OpenRouter ID qwen/qwen3-4b:free
Providerqwen
Release Date April 30, 2025
Context Length40,960 tokens
Status Active

Leaderboard Categories

Frequently asked questions about Qwen: Qwen3 4B (free)

How much does Qwen: Qwen3 4B (free) cost?

Qwen: Qwen3 4B (free) is currently available for free via OpenRouter.

What is the context window of Qwen: Qwen3 4B (free)?

Qwen: Qwen3 4B (free) has a context window of 40,960 tokens (41K).

What can Qwen: Qwen3 4B (free) do?

Qwen: Qwen3 4B (free) supports tool use and function calling.

Who created Qwen: Qwen3 4B (free)?

Qwen: Qwen3 4B (free) is developed by Qwen and was released on April 30, 2025.