AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Muse Spark 1.1 vs Grok 3

Meta
Muse Spark 1.1
SpaceXAI
Grok 3
Overview
CompanyMetaSpaceXAI
Release dateJul 9 2026Feb 17 2025
AccessProprietaryProprietary
Benchmarks
Agentic coding
SWE-Bench Pro
61.5%
Agentic coding
DeepSWE 1.1
53.3%
Agentic terminal coding
Terminal-Bench 2.1
80%
Multi-step tool use
MCP Atlas
88.1%
Professional tool use
JobBench
54.7%
Personal tool use
Toolathlon-Verified
75.6%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
62.1%
Agentic computer use
OSWorld-Verified
80.8%
Agentic financial analysis
Finance Agent v2
57.2%
Chart reasoning
CharXiv Reasoning
88.4%
Visual reasoning
BabyVision
76.3%
Timeline
Release gapGrok 3 shipped 507 days before Muse Spark 1.1

Which is better: Muse Spark 1.1 or Grok 3?

Muse Spark 1.1 and Grok 3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 3 shipped 507 days before Muse Spark 1.1, 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.

Direct benchmark comparisons are unavailable — Muse Spark 1.1 and Grok 3 don't publish scores on any of the same benchmarks.

Frequently asked questions

Muse Spark 1.1 was released by Meta on Jul 9 2026.

Grok 3 was released by SpaceXAI on Feb 17 2025.

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