Free LLM API for Developers - Build Chatbots Without Cost
Access powerful AI models for free. Perfect for prototyping, learning, and building chatbots with zero API costs.(Resource: Openrouter)
Last updated: December 29, 2025•20 models available•Free access
Free LLM Models Comparison
Compare capabilities and features across different free LLM models
| Model Name | Input Types | Output Types | ||
|---|---|---|---|---|
Deepseek | Deepseek: Deepseek R1 0528:Free | 163.8K | Text | Text |
Google | Google: Gemini 2.0 Flash Exp:Free | 1.0M | Text, Image | Text |
Google | Google: Gemma 3 12b It:Free | 32.8K | Text, Image | Text |
Google | Google: Gemma 3 27b It:Free | 131.1K | Text, Image | Text |
Google | Google: Gemma 3 4b It:Free | 32.8K | Text, Image | Text |
Google | Google: Gemma 3n E2b It:Free | 8.2K | Text | Text |
Google | Google: Gemma 3n E4b It:Free | 8.2K | Text | Text |
Meta | Meta: Llama 3.1 405b Instruct:Free | 131.1K | Text | Text |
Meta | Meta: Llama 3.2 3b Instruct:Free | 131.1K | Text | Text |
Meta | Meta: Llama 3.3 70b Instruct:Free | 131.1K | Text | Text |
Mistral | Mistral: Devstral 2512:Free | 262.1K | Text | Text |
Mistral | Mistral: Mistral 7b Instruct:Free | 32.8K | Text | Text |
Mistral | Mistral: Mistral Small 3.1 24b Instruct:Free | 128.0K | Text, Image | Text |
Moonshotai | Moonshotai: Kimi K2:Free | 32.8K | Text | Text |
Openai | Openai: Gpt Oss 120b:Free | 131.1K | Text | Text |
Openai | Openai: Gpt Oss 20b:Free | 131.1K | Text | Text |
Qwen | Qwen: Qwen 2.5 Vl 7b Instruct:Free | 32.8K | Text, Image | Text |
Qwen | Qwen: Qwen3 4b:Free | 41.0K | Text | Text |
Qwen | Qwen: Qwen3 Coder:Free | 262.0K | Text | Text |
Z-ai | Z-ai: Glm 4.5 Air:Free | 131.1K | Text | Text |
Start Building Today
Ready to add AI capabilities to your project? Use our financial sandbox to plan your costs.