This content originally appeared on DEV Community and was authored by Bruno Pérez
Those LLM APIs offer permanent free tiers for text inference (no trial or initial credits, permanent tier only).
Contents
- Provider APIs
- Inference providers
Provider APIs
APIs run by the companies that train or fine-tune the models themselves.
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Cohere
– Command A, Command R+, Aya Expanse 32B +9 more. 20 RPM, 1K/mo. -
Google Gemini – Gemini 2.5 Pro, Flash, Flash-Lite +4 more. 5-15 RPM, 100-1K RPD.
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Mistral AI
– Mistral Large 3, Small 3.1, Ministral 8B +3 more. 1 req/s, 1B tok/mo. -
Zhipu AI
– GLM-4.7-Flash, GLM-4.5-Flash, GLM-4.6V-Flash. Limits undocumented.
Inference providers
Third-party platforms that host open-weight models from various sources.
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Cerebras – Llama 3.3 70B, Qwen3 235B, GPT-OSS-120B +3 more. 30 RPM, 14,400 RPD.
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Cloudflare Workers AI – Llama 3.3 70B, Qwen QwQ 32B +47 more. 10K neurons/day.
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GitHub Models – GPT-4o, Llama 3.3 70B, DeepSeek-R1 +more. 10-15 RPM, 50-150 RPD.
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Groq – Llama 3.3 70B, Llama 4 Scout, Kimi K2 +17 more. 30 RPM, 1K RPD (14,400 for Llama 3.1 8B).
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Hugging Face – Llama 3.3 70B, Qwen2.5 72B, Mistral 7B +many more. $0.10/mo in free credits.
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Kluster AI – DeepSeek-R1, Llama 4 Maverick, Qwen3-235B +2 more. Limits undocumented.
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LLM7.io
– DeepSeek R1, Flash-Lite, Qwen2.5 Coder +27 more. 30 RPM (120 with token). -
NVIDIA NIM – Llama 3.3 70B, Mistral Large, Qwen3 235B +more. 40 RPM.
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Ollama Cloud – DeepSeek-V3.2, Qwen3.5, Kimi-K2.5 +17 more. 1 concurrent model, light usage.
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OpenRouter – DeepSeek R1, Llama 3.3 70B, GPT-OSS-120B +29 more. 20 RPM, 50 RPD (1K with $10+ in purchased credits).
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SiliconFlow – Qwen3-8B, DeepSeek-R1-Distill-Qwen-7B, GLM-4.1V-9B-Thinking +10 more. 1K RPM, 50K TPM.
Contributing
This list changes fast. Star the GitHub repo to get notified when we add providers, and open a PR if you spot one we missed.
Cheers!
This content originally appeared on DEV Community and was authored by Bruno Pérez