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Meta's Muse Spark 1.1 surpasses GLM-5.2 in coding, cuts costs and hallucinations

By PulseAugur Editorial · [1 sources] ·

Meta's Muse Spark 1.1 has shown significant improvements, scoring 51 on the Artificial Intelligence Index and demonstrating a notable leap in coding capabilities with a score of 71.3. This new version outperforms GLM-5.2 in coding tasks and operates at a reduced cost of $0.26 per task. Furthermore, Muse Spark 1.1 has drastically reduced its hallucination rate from 73% to 38%. AI

IMPACT Sets a new benchmark for coding performance and cost-efficiency, potentially pressuring competitors like GLM-5.2.

RANK_REASON Frontier-lab model release with performance metrics and cost comparison. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

Read on The Decoder →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Meta's Muse Spark 1.1 surpasses GLM-5.2 in coding, cuts costs and hallucinations

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Significant
Frontier-lab model release with performance metrics and cost comparison. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
89 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. The Decoder TIER_1 English(EN) · Matthias Bastian ·

    Meta's Muse Spark 1.1 outperforms GLM-5.2 in coding and costs slightly less

    <p><img alt="" class="attachment-full size-full wp-post-image" height="768" src="https://the-decoder.com/wp-content/uploads/2026/07/meta_AI_logo.png" style="height: auto; margin-bottom: 10px;" width="1376" /></p> <p> Meta's Muse Spark 1.1 scored 51 on the Artificial Analysis Inte…

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