12 Free LLM APIs You Can Use Right Now (No Credit Card, Real Limits Tested)
This article provides an overview of 12 free LLM (Large Language Model) APIs that are currently available and have been tested for their real-world limits and capabilities.
Why it matters
This article provides a comprehensive and up-to-date overview of the free LLM API landscape, helping developers and businesses identify the best options for their needs and production strategies.
Key Points
- 1The top 5 free LLM APIs are Google AI Studio (Gemini), Groq, OpenRouter, Cloudflare Workers AI, and Hugging Face Serverless
- 2Each API has different model selections, request limits, and use cases
- 3Free tiers are only suitable for small-scale production, but can be stacked to handle more requests
- 4The article includes a full guide with detailed comparisons and a production strategy for using multiple free tiers
Details
The article tests and compares 12 different free LLM APIs, highlighting the top 5 that are actually usable in 2026. Google AI Studio (Gemini) offers the most generous free tier with 1,500 requests per day and 1M tokens per minute. Groq provides the fastest free API, with speeds up to 315 tokens per second on its Llama 70B model. OpenRouter has the widest selection of free models, including Gemini, Llama, and Qwen. Cloudflare Workers AI and Hugging Face Serverless provide alternative options for developers already using those platforms. The article notes that free tiers are only suitable for very small-scale production, but can be effectively stacked by routing requests to different providers based on their strengths and limits.
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