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FastRouter Blend sends one prompt to multiple models, then a judge model compares where they agree, disagree, and what each one missed
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We fine-tuned Gemma 3 4B on 3,000 synthetic browser trajectories and benchmarked it against GPT-5.1, Claude 4.5 Sonnet, and six other models.
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Under the Hood: Building a Hybrid AI Agent with FastRouter BYOK | Fastrouter Blog
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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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There's a meaningful gap between what demo environments show and what production deployments actually handle when they're designed thoughtfully.
