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Fireworks AI

A fast inference platform for open models, with tools to tune and deploy them.

About Fireworks AI

Fireworks AI serves open-source and custom models with a focus on speed and production reliability. You pick a model, call the API, and get quick responses without handling GPUs yourself. It also supports fine-tuning, so you can adapt a model to your data and deploy it on the same platform. Features like structured outputs and function calling make it practical for building agents and compound systems. Pricing is usage based, with a free credit to start. It is a good fit for companies that want open models running at scale.

Standout features

  • Fast open-model inference
  • Fine-tuning
  • Function calling
  • Structured outputs
  • Dedicated deployments
  • OpenAI-compatible API

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