Muse Spark 1.1 Scores 69 in Coding Benchmark

ArtificialAnlys · x · 2026-07-12

According to Artificial Analysis, Muse Spark 1.1 (xhigh) scored 69 on their Coding Agent Index, performing near the frontier under the Opencode harness with strong cost efficiency. For context, it scored slightly lower than GPT-5.5 (medium) at 71, but higher than Claude Opus 4.8 (medium) at 67. The post also notes that its cost per task is roughly $1.4, making it one of the cheaper frontier coding agents, though this comes with certain capability trade-offs.

Related event: Meta Muse Spark 1.1 Shines Across Multiple Benchmarks(13 posts)→

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