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Fireworks AI

Free tier

The fastest inference platform for generative AI — train, tune, and deploy open models at production scale.

Free tier available·All audiences·Powered by Multiple open-source models (DeepSeek, Llama, Mistral, Qwen, GLM, Kimi, Gemma, etc.) plus closed-model API compatibility (OpenAI, Anthropic)·API available

Key strengths

High-throughput, low-latency inference optimized at every layerFine-tuning and RL training on open modelsOpenAI and Anthropic API compatibility (drop-in replacement)Serverless and on-demand GPU deploymentsMulti-LoRA and post-trained model supportMulti-region deployments
Free tier + paid plans · from $0.07 USD/mo
San Francisco, USA
Founded 2022
Self-hostable

Facts verified against fireworks.ai on

Recent changes

  • Models updated: Multiple open-source models (DeepSeek, Llama, Mistral, Qwen, GLM, Kimi, Gemma, etc.) plus closed-model API compatibility (OpenAI, Anthropic)
  • Plans updated: Serverless inference billed per token (input/output/cached); embeddings from $0.008/1M tokens; training from $0.50/1M tokens (LoRA SFT, models up to 16B); on-demand GPU from $8.00/hr (H100) to $20.00/hr (GB300).
  • Starting price: $0.07/mo → $0.008/mo
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Fireworks AI — Documentation & Integration Notes

API Access: Fireworks AI exposes a REST API for inference, fine-tuning, and embeddings. It is fully compatible with the OpenAI and Anthropic API schemas, enabling drop-in migration with minimal code changes.

Supported model families: DeepSeek, Llama, Mistral, Qwen, GLM, Kimi, Gemma, and others from the open-source ecosystem.

Pricing breakdown (as documented):

ResourceRate
EmbeddingsFrom $0.008 / 1M tokens
Serverless inferencePer input / output / cached token (usage-based)
LoRA SFT training (up to 16B)From $0.50 / 1M tokens
On-demand GPU — H100$8.00 / hr
On-demand GPU — GB300$20.00 / hr

Key integration points:

  • Azure — cloud infrastructure integration
  • Cursor / Sourcegraph — code intelligence tooling
  • Vercel — frontend/serverless deployment workflows
  • Notion / UiPath / Gumloop — enterprise automation and productivity
  • Quora — consumer AI application layer

Deployment architecture:

  • Serverless: auto-scaled, no GPU reservation required, billed per token.
  • On-demand: dedicated GPU instances for consistent throughput and latency SLAs.
  • Multi-region: supported for latency optimization and data residency requirements.
  • Multi-LoRA: serve multiple fine-tuned adapters from a single base model deployment.
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