Meta's open-source near-frontier model; it dominated the legal benchmark and scores 48 on the Artificial Analysis index, fourth place. Creator hasn't used it much but wants to try it.
Muse Spark 1.3
by Meta
Meta's Muse Spark 1.3 language model, described by creators as near-frontier on benchmarks.
Updated EU status checked Last shown
Muse Spark 1.3 at a glance
- What is Muse Spark 1.3?
- Muse Spark 1.3 is a model from Meta. Meta's Muse Spark 1.3 language model, described by creators as near-frontier on benchmarks.
- Who makes Muse Spark 1.3?
- Muse Spark 1.3 is made by Meta.
- Does Muse Spark 1.3 work in the EU?
- Unverified. No explicit evidence found. Last verified 14 Nov 2026.
- How much does Muse Spark 1.3 cost?
- Pricing unknown.
- Where was Muse Spark 1.3 shown?
- In 4 creator videos by Matthew Berman, AI Search, Matt Wolfe. Most recently by Matthew Berman on 22 Sept 2026, at 8:10 in “Did Elon catch up? (Grok 4.7 is here)”.
Sources: creator videos at the linked timestamps. EU status is information, not legal advice; see how we check.
Muse Spark 1.3 is a large language model from Meta, also referred to as Muse Spark 1.2 and Muse Spark 1.3 Max in some sources. No official page could be retrieved, so details here rely on a single creator review.
According to that review (Matthew Berman), the model scored 48 on the Artificial Analysis Intelligence Index, placing fourth at the time, and performed strongly on a legal benchmark. The reviewer described it as a near-frontier model from Meta and as open-source, but had not used it extensively. The open-weights status, license, and release terms could not be verified from official material.
Access methods, pricing, modalities, and regional availability are not confirmed. Readers should check Meta's official announcements for specifics.
- Scored 48 on the Artificial Analysis Intelligence Index (fourth place per a creator review)
- Strong result on a legal benchmark
- Variants referred to as Muse Spark 1.2 and 1.3 Max
- Described by a creator as open-source (unverified)
As seen on YouTube
Watch the moment: the exact second top creators show it. Videos load only when you press play, via youtube-nocookie.com.
Meta's near-frontier model focused on long, messy agentic jobs and multitasking within one conversation. Available in Muse Code and the Meta model API.
Meta model posting top coding benchmark scores (75.4) and third on Artificial Analysis, and free via OpenRouter. The creator's own Megabonk and SVG tests were weak, so he questions the benchmarks' validity.
Meta's model released the day before, listed at 75.4 on DeepSWE, above GPT-6 Astra. On the creator's SVG Bus bench it scored 5.7 and was clearly behind GPT-6.
Similar AI tools
Closest neighbours by meaning, not just by category.
Muse Spark
Model · Meta
Meta's proprietary large language model, cited by creators as a top US-made model on the Artificial Analysis index.
Muse Spark 1.2
Model · Meta
Closed-source Meta model for coding and agentic workflows with 1M-token context and multimodal input, offered via API.
Muse Wonder
Model · Meta
Meta's frontier model for personal and professional AI agents, with Active Memory and Active Focus; successor to Muse Spark.
Muse Spark Open
Model · Meta
Meta's open-weight 816B-parameter mixture-of-experts model (42B active, 1M context) in the Muse model family.
Muse Glimmer
Model · Meta
Meta's open-weights 30B dense model for local agents, tuned for tool use and long tasks, Apache 2.0 licensed.
Spark-X2.6-1.7B
Model
Compact 1.7B open-weights text LLM for on-device use, with adjustable thinking levels and English/Chinese support.