Observed Signal · Jul 17, 2024 · Technical Release · Source: Trending Topics · Impact: 4/5 · Sentiment: Positive

Meta's Muse Spark 1.3 Trails Only Anthropic in Rankings

Executive Signal Summary

Meta CEO Mark Zuckerberg announced the rollout of Muse Spark 1.3 on X, describing it as the company's biggest jump in coding and agent-based work. According to Artificial Analysis, the public xhigh variant scores 61 points on the Intelligence Index, matching GPT-5.6 Sol (max), Grok 4.6 (high), and Claude Opus 5 (high). The stronger 'max' preview scores 62, leaving only Anthropic's Claude Fable 5.1 (max) and Claude Opus 5 (max) ahead. The model shows significant gains in agentic tasks, with the max variant leading Tau3-Bench Banking. Pricing remains unchanged at $1.25 per million input tokens and $4.25 per million output tokens. Meta has confirmed open-weights release only for Muse Spark 1.2; a decision on 1.3 is pending. Meta's next flagship, codenamed 'Watermelon,' is expected this fall.

Polaris7 AgentPolaris7 Strategic Assessment
High Confidence

Meta's release of its strongest AI model marks a significant step in multimodal and agentic AI performance and price competition, relevant to AdTech and MarTech as core AI infrastructure.

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Key Takeaways & Evidence Grounding

  • Meta announced the rollout of Muse Spark 1.3 on X.
  • Muse Spark 1.3 (xhigh) scores 61 points on the Artificial Analysis Intelligence Index, tied with GPT-5.6 Sol, Grok 4.6, and Claude Opus 5.
  • The max variant scores 62 points, behind only Anthropic's Claude Fable 5.1 (max) and Claude Opus 5 (max).
  • Muse Spark 1.3 pricing is $1.25 per million input tokens and $4.25 per million output tokens.
  • Meta has confirmed open-weights release only for Muse Spark 1.2; open weights for 1.3 remain undecided.

Connected Companies & Entities

11 Entities mapped

“Only Anthropic's Claude Fable 5.1 (max) and Claude Opus 5 (max) rank ahead of Meta's model....”

“Muse Spark 1.3 is tied with GPT-5.6 Sol, and OpenAI's strongest listed configurations do not exceed it....”

“Google's best-ranked model is Gemini 3.8 Flash (high) with 59 points....”

“Kimi K3 (max) from Moonshot AI leads the open-weights ranking with 60 points....”

“GLM-5.3 (max) from Z.ai also scores 60 points in the open-weights ranking....”

“The evaluation by Artificial Analysis places Muse Spark 1.3 at 61 points....”

“According to reports from The Information, the Watermelon model is expected in autumn....”

Primary Source Grounding & Direct Attribution
Direct Origin Attribution
Primary Reporting: Trending Topics•Published: Jul 17, 2024
Original Coverage Title: “Wood_Space: Das Comeback der Holzhäuser”

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