Fireworks AI is a generative AI inference platform delivering the fastest open-source model serving at production scale. It provides OpenAI-compatible APIs for Llama, Mistral, Qwen, DeepSeek, and function-calling models with latency as low as 50ms per token. Key features include compound AI systems (FireFunction), serverless and dedicated GPU deployment, speculative decoding for speed gains, and a JSON mode for structured outputs. Fireworks AI powers many production AI applications that demand low latency and high throughput at competitive cost.