Developers and hobbyists wanting flat-fee access to a huge catalog of open LLMs.

Featherless AI is a serverless inference platform that runs any Hugging Face-hosted LLM on demand for a flat monthly subscription rather than per-token billing.

Accessed via Featherless's OpenAI-compatible API by referencing a model's Hugging Face identifier.

Launched in 2024 and expanded to become one of Hugging Face's largest inference providers by 2026.

It exists to let users run niche and long-tail open models without per-token cost surprises.

Integrates with LangChain, LlamaIndex, n8n, and OpenAI-compatible client libraries.

SaaS, proprietary, requires an API key; flat monthly subscription tiers from ten dollars; data processed on Featherless's servers.