Meta Says Muse Spark 1.3 Beats GPT-5.6 Sol at Coding
Meta has unveiled Muse Spark 1.3, its latest AI system designed for complex coding and autonomous digital tasks as it competes with OpenAI and Anthropic. Image: Dima Solomin/Unsplash
Meta launched Muse Spark 1.3 with stronger coding performance and efficiency claims, but independent tests show higher task costs and mixed benchmark results.
Sep 4, 2026
Meta says its latest AI model can compete with the industry’s strongest coding systems while using fewer tokens and tool calls. Independent testing suggests the efficiency story is more complicated.
The company released Muse Spark 1.3 to developers Wednesday through Muse Code and the Meta Model API, keeping pricing at $1.25 per million input tokens and $4.25 per million output tokens. Meta AI, Instagram and Facebook are expected to gain access later.
Alexandr Wang, Meta’s chief AI officer, called the launch the company’s “biggest jump so far on model performance.” Wang, according to Bloomberg, argued...
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