Muse Spark 1.2vsGrok 4.6

Muse Spark 1.2
Grok 4.6
Specifications
Context window
1M
Benchmarks
Agentic coding
CursorBench v3.2
69.9%
Agentic coding
DeepSWE 1.1
59.3%
65.9%Best
Agentic coding
FrontierCode v1.1 (Extended) · extended split
61.3%
Expert software engineering
APEX-SWE
56.4%
Agentic terminal coding
Terminal-Bench 3.0
26%
Agentic terminal coding
Terminal-Bench 2.1
82.9%
Expert agentic work
APEX-Agents
57.5%
Agentic legal work
Harvey's Legal Agent Benchmark
15.8%
Overall intelligence
AA Intelligence Index
61
Knowledge work
GDPval-AA v2
1753
Knowledge work
AA-Briefcase
1577
Community preference
Arena Elo (Text)
1498
Community preference (code)
Arena Elo (Code)
1544
Overview
CompanyMetaSpaceXAI
Release dateAug 5 2026Aug 12 2026
AccessProprietaryProprietary

Which is better: Muse Spark 1.2 or Grok 4.6?

Grok 4.6 leads Muse Spark 1.2 on 1 of the 1 benchmark they both report (DeepSWE 1.1). Muse Spark 1.2 shipped 7 days before Grok 4.6, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On DeepSWE 1.1, Grok 4.6 leads at 65.9% vs Muse Spark 1.2 at 59.3%.

Frequently asked questions

Muse Spark 1.2 was released by Meta on Aug 5 2026.

Grok 4.6 was released by SpaceXAI on Aug 12 2026.

Grok 4.6 leads on DeepSWE 1.1 — Muse Spark 1.2 59.3% vs Grok 4.6 65.9%.

Other comparisons