GitHub's free AI model inference service, accessible with just a GitHub account. Supports GPT-4.1, GPT-4o and other OpenAI models for free — the lowest barrier to entry for GPT-series models.。
Free Credits
150 requests/day
Resets daily
Credit Card
✅ Not Required
Watermark
✅ No watermark
Commercial Use
❌ Not allowed
Last verified: 2026-06-21
xAI's (Elon Musk) large language model. Grok 4.2/4.3 went viral on Bilibili. Free to use with no restrictions on mobile and PC. After removing limits, the experience rivals paid alternatives.。
Groq uses custom LPU chips for inference, delivering speeds several times faster than standard GPUs. Free tier offers 1000 requests/day with Llama, Qwen, and other open-source models. If you need real-time response speed for chat or streaming, Groq is currently the fastest free inference service available.。
NVIDIA's cloud inference platform, free for developers. Supports 121 models including DeepSeek V4, Llama, Qwen, and more. The largest model selection among free platforms, ideal for developers who need to compare multiple models.。
API aggregation platform — one endpoint to access them all. 27 free models, accessible from China without VPN. Switch between backends by just changing the model name. Free tier: 50 requests/day, unlock 1000/day with $10 top-up.。
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