Muse Spark 1.3 (max)

Muse Spark 1.3 (max) is an artificial intelligence model developed by Meta and released on September 2, 2026. Within the current evaluation framework, the model achieves an intelligence index of 62.1 and a coding index of 76.3, while its math index remains unknown. Performance metrics for output speed and time to first token are currently unavailable. Regarding benchmark results, the model recorded a score of 0.938 on GPQA, 0.491 on HLE, 0.573 on SciCode, and 0.79 on LCR. The model is provided with a pricing structure of $0.00 per 1 million tokens for input, output, and blended usage, reflecting its current availability status as a zero-cost resource for users within the specified benchmark environment.