🔌LLM API Platforms — 14 Best Tools

Quick list: LLM API Platforms

1. DeepSeek Platform — The DeepSeek Platform serves DeepSeek’s chat and reasoning models through an OpenAI-compatible API at very competitive prices, with context caching to cut cost…
2. Alibaba Cloud Model Studio — Alibaba Cloud Model Studio (Bailian) offers APIs for the full Qwen family and third-party models, plus fine-tuning, RAG knowledge bases and agent building for …
3. Volcano Engine Ark — Volcano Engine Ark is ByteDance’s model service platform, serving Doubao and third-party models such as DeepSeek with high throughput and competitive prices.
4. Baidu Qianfan — Baidu Qianfan, on Baidu AI Cloud, provides ERNIE and many open models for inference, fine-tuning, evaluation and deployment, plus the AppBuilder toolkit.
5. Zhipu BigModel — Zhipu’s BigModel platform provides APIs for GLM language, vision, video and agent models, with some lightweight models free to call and coding plans for develo…
6. Moonshot AI Platform — The Moonshot AI Platform serves Kimi models, including long-context models and the K2 series strong at coding and tool use, via an OpenAI-compatible API.
7. SiliconFlow — SiliconFlow is a leading Chinese inference cloud offering one API for many open models such as DeepSeek, Qwen, GLM, Kimi and FLUX, some of them free, with fast…
8. MiniMax Platform — The MiniMax platform provides APIs for text models, speech synthesis with voice cloning, Hailuo video and music generation; its speech models are especially st…
9. OpenAI Platform — The OpenAI Platform provides APIs for GPT models, image generation, realtime speech and embeddings, along with the Responses API, the Agents SDK and fine-tunin…
10. Claude Developer Platform — Anthropic’s Claude Developer Platform offers Claude models via API, excelling at coding, long-document analysis and tool use, with prompt caching, batch proces…
11. Google AI Studio — Google AI Studio is the fastest way to try Gemini models: test prompts, multimodal input and live audio in the browser and grab an API key, with a generous fre…
12. OpenRouter — OpenRouter is a unified API and router for hundreds of models from many providers, with automatic fallbacks and public rankings of price, speed and usage.
13. Groq — Groq runs open models on its custom LPU chips for extremely fast inference, hundreds of tokens per second, ideal for latency-sensitive apps, with a free tier.
14. Together AI — Together AI offers inference APIs, fine-tuning and GPU clusters for open models such as Llama, Qwen and DeepSeek.