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LLM routing isn’t one setting, it’s three: model selection, provider routing, and fallbacks. Why conflating them causes outages and surprise bills
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Cursor, Cline, and Claude Code burn tokens very differently by task type. See the real cost gap between them and how routing by task shape stops silent overspend.
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Prompt Hub lets teams write, version, and optimise prompts outside the codebase.
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Ask the FastRouter Playground to build an app or game and it renders the result instantly — interactive, no code required.
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FastRouter Playground lets you run one prompt across multiple models and see the outputs side by side.
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Stop deploying code just to update a prompt. FastRouter Prompt Library gives you versioning, instant rollback, and GEPA optimization.
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Sticky routing pins each conversation to one provider endpoint so your prompt cache stays warm. Here is how FastRouter handles it automatically.
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Route your own provider credentials and fine-tuned models through FastRouter — unified observability, fallback chains, and governance included.
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Add fine-tuned and custom model endpoints to FastRouter. Route them like any standard model — with full observability, cost tracking, and governance.
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Cut batch processing costs ~50% by appending :flex to your model ID. No code refactors, no migration — just cheaper inference.
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Managing tool integration across multiple LLM providers leads to scattered auth logic, credential sprawl, and zero visibility. Here's how centralized MCP Gateway architecture solves it.
