Unverified leaderboard: Meta Muse Spark Open ties Mistral Large 4 at GPT-6 Luna level

NielsRogge · x · 2026-10-16

Niels Rogge (Hugging Face) shared an unverified leaderboard screenshot showing Meta's Muse Spark Open (xhigh) at 39, tied with Mistral Large 4 Preview at 38 and OpenAI's GPT-6 Luna (max) at 38 — claiming the best American open-weight model is level with the best European one. The model names have no confirmed official releases, so treat the chart as unconfirmed.

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