# 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.

## Model Information

- **Organization**: [qwen](/llm.txt)
- **Slug**: qwen3-4b
- **Available at Providers**: 11
- **Release Date**: April 30, 2025

## Providers

| Provider | Name | $ Input (per 1M) | $ Output (per 1M) | Free | Link |
|----------|------|-----------------|------------------|------|------|
| [AIHubMix](/llm/aihubmix.txt) | qwen3-4b | 0.05 | 0.46 |  | [View](https://aihubmix.com/model/qwen3-4b) |
| [ValorGPT](/llm/valorgpt.txt) | Qwen3 4B |  |  | Yes | [View](https://www.valorgpt.com/models/qwen-qwen3-4b-free) |
| [Venice](/llm/venice.txt) | Venice Small | 0.05 | 0.15 |  |  |
| [Baidu AI Studio](/llm/baidu.txt) |  |  |  |  | [View](https://aistudio.baidu.com) |
| [Together AI](/llm/togetherai.txt) |  | 0.00 | 0.00 |  |  |
| [Chats-LLM](/llm/chatsllm.txt) | Qwen: Qwen3 4B | 0.00 | 0.00 | Yes |  |
| [Blackbox AI](/llm/blackboxai.txt) | blackboxai/qwen/qwen3-4b:free |  |  |  |  |
| [LangDB](/llm/langdb.txt) | qwen3-4b |  |  |  | [View](https://langdb.ai/app/models) |
| [OpenRouter](/llm/openrouter.txt) | Qwen3 4B (free) | 0.00 | 0.00 | Yes | [View](https://openrouter.ai/qwen/qwen3-4b-04-28:free) |
| [Writingmate](/llm/writingmate.txt) | Qwen: Qwen3 4B (free) |  |  |  | [View](https://writingmate.ai/models/qwen/qwen3-4b) |
| [Kilo Code](/llm/kilocode.txt) | Qwen: Qwen3 4B | 0.07 | 0.27 |  |  |

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