Latest articles
Explore practical routing guides, API performance notes, and product updates from the Fastrouter team.
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Stop routing every agent task to a frontier model. The Architect-Editor pipeline cuts costs 55% by matching model capability to task complexity.
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Stop guessing at prompt quality. GEPA evolves your system prompts automatically — real production data, multi-metric scoring, full iteration audit.
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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 LLM costs on repeated context with Prompt Caching on FastRouter. Automatic for OpenAI, DeepSeek, and Gemini. One field for Anthropic Claude.
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Cut batch processing costs ~50% by appending :flex to your model ID. No code refactors, no migration — just cheaper inference.
Compare FastRouter and OpenRouter on pricing, routing, evals, governance, and latency. Side-by-side matrix, benchmarks, and a decision guide.
Compare FastRouter and Portkey after the Palo Alto Networks acquisition: features, routing, evals, roadmap risk, and a decision guide.
Helicone is in maintenance mode after Mintlify acquired it. Compare features, plan a migration, and see three paths off Helicone Cloud.
FastRouter is a managed LLM gateway. Langfuse is an OSS observability and evals platform. Different categories. We cover where they overlap, when to pick one, and how to run them together.
FastRouter (managed) vs LiteLLM (open-source proxy): operations, routing, evals, total cost, and a decision guide for production teams.
Compare FastRouter and Requesty on EU data residency, routing, evals, governance, and pricing. Decision guide for global and EU teams.
