Muse Spark 1.2 (xhigh)

Muse Spark 1.2 (xhigh) is an artificial intelligence model developed by Meta and released on August 5, 2026. This model is characterized by an intelligence index of 54.1 and a coding index of 72.2, while its math index remains unknown. Regarding performance benchmarks, the model achieved a score of 0.904 on GPQA, 0.439 on HLE, 0.564 on SciCode, and 0.646666666666667 on LCR. The pricing structure for Muse Spark 1.2 (xhigh) is set at $1.25 per 1 million tokens for input and $4.25 per 1 million tokens for output, resulting in a blended rate of $2.00 per 1 million tokens. Specific metrics regarding output speed and time to first token are currently unavailable.