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

Muse Spark 1.1 vs Mixtral 8×7B

Meta
Muse Spark 1.1
Mistral
Mixtral 8×7B
Overview
CompanyMetaMistral
Release dateJul 9 2026Dec 9 2023
AccessProprietaryOpen Weight
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%
Agentic legal work
Harvey's Legal Agent Benchmark
20%
Tax questions
TaxEval v2
79.72%
Medical admin work
MedScribe
88.89%
Chart reasoning
CharXiv Reasoning
88.4%
Visual reasoning
BabyVision
76.3%
Timeline
Release gapMixtral 8×7B shipped 943 days before Muse Spark 1.1

Which is better: Muse Spark 1.1 or Mixtral 8×7B?

Muse Spark 1.1 and Mixtral 8×7B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mixtral 8×7B shipped 943 days before Muse Spark 1.1, so benchmark comparisons should account for the intervening progress.

Muse Spark 1.1 is proprietary, while Mixtral 8×7B is open weight.

Direct benchmark comparisons are unavailable — Muse Spark 1.1 and Mixtral 8×7B 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.

Mixtral 8×7B was released by Mistral on Dec 9 2023.

Muse Spark 1.1 is a proprietary model released by Meta. Mixtral 8×7B is an open weight model released by Mistral.

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