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20 Fireworks AI alternatives

Fireworks AI: Inference and training platform for open models: serverless per-token APIs, dedicated GPU deployments, and managed fine-tuning with SFT, DPO and RFT. 20 apps do similar work, most sharing Inference, Developers and API, ranked by how much they have in common with Fireworks AI.

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  1. Inference, fine-tuning, and GPU clusters for open models — the full stack for teams building on open weights.

    Also: API, Developers, Fine-tuning, GPU, Inference

  2. GPU cloud for AI developers: on-demand GPU pods, serverless GPU endpoints that scale to zero, and multi-node clusters, billed by the second.

    Also: Developers, Fine-tuning, GPU, Inference

  3. Run thousands of open models with one API call, and deploy your own without touching Kubernetes.

    Also: API, Developers, GPU, Inference

  4. Inference on custom LPU hardware, built for latency — open models served at speeds general-purpose GPUs struggle to match.

    Also: API, Developers, GPU, Inference

  5. A generative media platform tuned for speed — image, video, and audio models served with very low latency.

    Also: API, Developers, GPU, Inference

  6. Unsloth AI

    Open-source desktop app to run, serve and fine-tune text, image, video and audio models entirely on your own machine.

    Also: Fine-tuning, GPU, Inference

  7. NVIDIA GPU cloud for training and inference: self-serve on-demand instances billed by the minute, 1-Click Clusters, and large private superclusters.

    Also: Developers, GPU, Inference

  8. Production inference for open and custom models — fast, autoscaling, and deployable into your own cloud.

    Also: Developers, GPU, Inference

  9. Serverless GPUs from a Python decorator — deploy models and batch jobs with no containers or cluster to manage.

    Also: Developers, GPU, Inference

  10. One API and one bill for hundreds of language models, with automatic failover between providers.

    Also: API, Developers, Inference

  11. Privacy-first AI gateway putting 600+ models from 90+ providers behind one OpenAI-compatible API, with no prompt or output logging.

    Also: API, Developers, Inference

  12. ngrok

    A hosted LLM gateway from ngrok: one base URL and one key for public providers, your own keys and self-hosted models, with failover, scoped access and cost analytics.

    Also: API, Developers, Inference

  13. Cactus Compute, Inc.

    8-29 MB automation models that run on phones, wearables and microcontrollers — tool calling, structured extraction and embeddings, fully offline.

    Also: Fine-tuning, Inference

  14. Simulate how fast a local LLM runs on a given GPU or Mac before you buy the hardware.

    Also: GPU, Inference

  15. Leonardo.Ai is Canva's image and video generation platform, with its own and third-party models, reusable Blueprints, style training and an API.

    Also: API, Fine-tuning

  16. Low-latency speech APIs from the team behind the open-source Dia model — text-to-speech and transcription priced well below the incumbents.

    Also: API, Inference

  17. The open-source AI hub: over a million models, hundreds of thousands of datasets, and hosted demo Spaces.

    Also: Developers, Inference

  18. Google

    Google's browser workbench for prototyping with Gemini models, then shipping the same prompt as production API code.

    Also: API, Developers

  19. One API for agent harnesses — run Codex, Claude Code or Hermes behind your product with shared sessions, streaming, files and cost controls, and swap harness with a config change.

    Also: API, Developers

  20. You.com sells web search, content extraction, answer and research APIs for AI agents; its consumer chat closed to new users in 2026.

    Also: API, Developers