Agents
Route any Python agent framework through FastRouter. One key, 100+ models, and full cost visibility across every agent call.
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Route any Python agent framework through FastRouter. One key, 100+ models, and full cost visibility across every agent call.
Agent workloads fan out into many LLM calls per run, so cost and reliability matter more here than anywhere else. Every framework below accepts an OpenAI-compatible client, which is all FastRouter needs. Point it at FastRouter and each agent call routes through one endpoint with:
100+ models from OpenAI, Anthropic, Google, xAI, Meta, Groq, and Mistral behind one key. Assign a cheap model to triage agents and a frontier model to reasoning-heavy ones without juggling provider credentials.
Observability on every request: cost, tokens, latency, and model per call, visible in your dashboard.
Reliability through automatic failover across providers, response caching, and intelligent routing.
Governance with per-key budgets, rate limits, model restrictions, role-based access, and project isolation.
The pattern is the same everywhere: create an OpenAI-compatible client with FastRouter's base URL, pass it a model slug in provider/model-name format.
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