Qwen: Qwen3 4B (free)
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
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 architectureāthinking and non-thinkingāallowing 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.
Capabilities
Architecture Detail
| Instruct Type | qwen3 |
Benchmark Scores
Intelligence
Technical
Benchmark data from Artificial Analysis and Hugging Face
How does Qwen: Qwen3 4B (free) stack up?
Compare side-by-side with other professional models.
Model Information
| OpenRouter ID |
qwen/qwen3-4b:free
|
| Provider | qwen |
| Release Date | April 30, 2025 |
| Context Length | 40,960 tokens |
| Status | Active |
Leaderboard Categories
External Resources
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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.
Data sourced from OpenRouter API, Artificial Analysis and Hugging Face Open LLM Leaderboard. Scores are editorially curated by our team.
Last updated: May 31, 2026 10:03 pm