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

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Muse Spark vs Mixtral 8×22B

3 vs 0 benchmarks won

Meta
Muse Spark
Mistral
Mixtral 8×22B
Overview
CompanyMetaMistral
Release dateApr 8 2026Apr 10 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
89.5%
Software engineering
SWE-Bench Verified
77.4%
Multimodal understanding
MMMU
80.4%
Timeline
Release gapMixtral 8×22B shipped 728 days before Muse Spark

Which is better: Muse Spark or Mixtral 8×22B?

Muse Spark leads Mixtral 8×22B on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mixtral 8×22B shipped 728 days before Muse Spark, so benchmark comparisons should account for the intervening progress.

Mixtral 8×22B is an open-source / open-weight model; Muse Spark is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Muse Spark released?
Muse Spark was released by Meta on Apr 8 2026.
When was Mixtral 8×22B released?
Mixtral 8×22B was released by Mistral on Apr 10 2024.
Is Muse Spark or Mixtral 8×22B open source?
Mixtral 8×22B is an open-source / open-weight model released by Mistral. Muse Spark is a proprietary model released by Meta.

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