Cross-Comparison of Free API Quotas for Mainstream LLMs Across the Web: Which of Gemini, Groq, and OpenRouter Is the Most Generous?
Looking for a stable free AI API for your project? A comprehensive in-depth comparison of the three leading free options across concurrency limits, call latency, supported models, and ban risk.
1. Cross-Testing the Three Biggest Free API Giants Across the Web
1. Google Gemini API (Overall score: 96 / most generous with compute):
1,500 calls per day, native support for a 1 million token context and multimodal text, image, and video, with the most complete ecosystem;
2. Groq (Overall score: 88 / most blazingly fast):
Based on proprietary LPU chips, inference speed reaches 500+ tokens per second, mainly hosts open-source Llama 3, but context length is shorter;
3. OpenRouter (Overall score: 82 / widest model selection):
Aggregates many free open-source small models, suitable for trying things out and comparing multiple models, but free API stability occasionally fluctuates.
2. Selection Conclusion
For ultra-large long texts and all-around top-tier capabilities, Gemini is the first choice; for the ultimate instant single-response experience, Groq is the first choice.