Muse Spark 1.3 released
Sep 2, 2026
Meta's proprietary frontier line (first Muse Spark shipped Apr 2026) hit 1.3 — ranked top-5 on LiveBench at the lowest cost per task among proprietary models.
Source: StackFutures
'Personal superintelligence': proprietary Muse Spark line + open-weight Llama
| Founded | 2004 |
| Headquarters | Menlo Park, CA, USA |
| Founders | Mark Zuckerberg |
| Parent | Meta Platforms — MSL formed 2025, led by Alexandr Wang |
| Focus | 'Personal superintelligence': proprietary Muse Spark line + open-weight Llama |
| Official site | https://ai.meta.com |
| Data verified | Oct 14, 2026 |
| Model | Score | Overall | Coding | Reasoning | Value | Open-Wt | Context | $/1M in | $/1M out | Released |
|---|---|---|---|---|---|---|---|---|---|---|
| Muse Wonder | 76 | #9 | — | — | #24 | — | 1M | $4.00 | $20.00 | Oct 12, 2026 |
| Muse Spark 1.3 | 69 | #16 | — | — | #9 | — | 1M | $1.25 | $4.25 | Sep 2, 2026 |
| Llama 4 Maverick | 48 | #31 | — | — | — | #10 | 1M | — | — | Apr 5, 2025 |
| Muse Glimmer | — | — | — | — | — | — | 131.1K | — | — | Aug 10, 2026 |
| Llama 4 Scout | — | — | — | — | — | — | 10M | — | — | Apr 5, 2025 |
Sep 2, 2026
Meta's proprietary frontier line (first Muse Spark shipped Apr 2026) hit 1.3 — ranked top-5 on LiveBench at the lowest cost per task among proprietary models.
Source: StackFutures
Meta AI vs xAI Meta AI vs Moonshot Any two labs →