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.

Cloudflare's edge AI inference service with 10,000 free Neurons/day. Global CDN edge nodes deliver ultra-low latency. Supports LLM, embeddings, image, and audio models. Accessible from China.

Official API platform from Europe's strongest open-source model provider. Free tier supports 1 req/s, 500K tokens/min. Mistral models excel in multilingual and code generation tasks.

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.

Chinese API aggregation platform unifying open-source models under one interface. Free tier: RPM 500, TPM 2M, supporting DeepSeek, Qwen, GLM and more. Saves the trouble of self-hosting open-source models, with fast domestic access.

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.

The 'supermarket' of open-source models. Free serverless inference supports a massive selection of models (LLaMA, Mistral, Falcon, etc.). Unparalleled model variety for research and cross-architecture comparison. Free credits allocated monthly by account tier.

Cerebras uses custom WSE (Wafer-Scale Engine) for inference, matching Groq's speed. Free tier: 30 RPM, 60K tokens/min. Currently requires joining a waitlist.

Open-source model inference platform offering free inference for Meta-Llama and other popular open-source models. User-friendly interface, great for rapid prototyping.

High-concurrency inference platform with 1 free credit on registration. Known for high throughput and low latency, suitable for production environments needing high concurrency.

Israeli AI company offering Jamba series models. 10 free credits on registration, no credit card required. Jamba models have unique advantages in long-context processing and reasoning.

Enterprise AI platform with 20 RPM free tier. Command models excel in enterprise document processing, RAG, and search scenarios. Ideal for building enterprise AI applications.

French cloud provider's AI inference platform, currently in free beta. 100 RPM, 200K tokens/min — quite generous. European data centers, ideal for GDPR-compliant projects.

InternLM API from Shanghai AI Lab. Free tier: 10 RPM, API key valid for 6 months. InternVL3-78B is a multimodal model with strong image-text understanding. Domestic access, solid academic background.

AI inference endpoints from French cloud veteran OVHcloud. Free tier: 12 RPM with multiple open-source models. European data centers for GDPR compliance.