Meta AI Updates: April 14, 2026

1. Muse Spark Benchmarks Confirm Top-4 Frontier Ranking

Meta. Benchmark analyses published following the Muse Spark launch confirm Meta’s first model from Superintelligence Labs scores 52 on the Artificial Analysis Intelligence Index, placing it 4th behind Gemini 3.1 Pro, GPT-5.4, and Claude Opus 4.6. The model leads all frontier models on HealthBench Hard (42.8) and is second on MMMU-Pro vision (80.5%), while achieving Llama 4 Maverick-equivalent performance with over 10x less compute through “thought compression” during reinforcement learning. Source