I want to…
Build with AI APIs
Platforms and APIs to access, run, fine-tune and deploy AI models in your own product.
6 tools for this
Build an appGenerate imagesCreate videosMake voice & musicWrite contentResearch a topicAutomate workChat with an AI assistantBuild with AI APIs
OpenRouter
OpenRouter · Platforms & APIs
One API and marketplace for hundreds of LLMs.
Hugging Face
Hugging Face · Platforms & APIs
The hub for open models, datasets and demos.
Replicate
Replicate · Platforms & APIs
Run and deploy open models via a simple API.
Groq
Groq · Platforms & APIs
Ultra-low-latency inference on custom LPU hardware.
Together AI
Together · Platforms & APIs
Inference and fine-tuning for open models at scale.
LangChain
LangChain · Platforms & APIs
Framework for building LLM apps and agents.
Frequently asked questions
What are the best AI tools to Build with AI APIs?+
HotON.ai recommends 6 tools for this, including OpenRouter, Hugging Face, Replicate. All are real, verified products — open each for pricing and official links.