An instance of Opus 5 and two instances of Mythos are working on singing with voices they construct
Here’s the choir practicing harmonizing
GitHub just introduced Project HydraFusion, and I think it points to an important shift in how we build AI systems.
Instead of simply asking, “Which is the best LLM?”, HydraFusion asks: “What is the most efficient way to solve this task?” It can choose between: • Single model
Two models same cezanne brief one just filled a template
A reviewer gave Opus 5 and GPT-5.6 the identical brief - interactive 3D journey through Mont Sainte Victoire, five versions, same painter The gap wasn't - It was in what each model decided actually mattered Opus 5
Same model. Same benchmark.
Same day. The score jumped from 62.7% to 99.9% — and nothing about the model changed. GPT-6 Astra just solved ARC-AGI-3, and everyone's crediting the model. The real story is the harness around it. 5:50 – the baseline: GPT-5.5 <1%, GPT-5.6 Sol 7.8%,
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All of Claude Opus 5