LaunchDevelopers
Jun 20, 6:01 PM
OpenRouter launches Fusion API, matches Claude Fable 5 at half price
On Perplexity's DRACO benchmark, a budget panel of models via Fusion landed within 1% of Claude Fable 5 at roughly half the cost. Fusion fans a prompt to multiple models, then uses a judge and synthesizer to merge the best answer. The launch followed a U.S. export control directive that forced Anthropic to suspend Fable 5 and Mythos 5.
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Jun 20, 6:01 PM