LaunchAI ModelsSeptember 2, 2026

Meta releases Muse Spark 1.3, tops DeepSWE benchmark

Meta's Muse Spark 1.3 scores 75.4% on DeepSWE 1.1, first place ahead of GPT-5.6 Sol and Fable 5, and 62 on the Artificial Analysis Intelligence Index. It uses ~25% fewer tokens and ~20% fewer tool calls than Muse Spark 1.2, priced at $0.2 per 1M output tokens.

20 sources

More stories today

Open the live feed