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

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DeepSeek V3.1 vs Muse Spark

0 vs 3 benchmarks won

DeepSeek
DeepSeek V3.1
Meta
Muse Spark
Overview
CompanyDeepSeekMeta
Release dateAug 21 2025Apr 8 2026
Model type
Open sourceYesNo
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 gapDeepSeek V3.1 shipped 230 days before Muse Spark

Which is better: DeepSeek V3.1 or Muse Spark?

Muse Spark leads DeepSeek V3.1 on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V3.1 shipped 230 days before Muse Spark, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 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 DeepSeek V3.1 released?
DeepSeek V3.1 was released by DeepSeek on Aug 21 2025.
When was Muse Spark released?
Muse Spark was released by Meta on Apr 8 2026.
Is DeepSeek V3.1 or Muse Spark open source?
DeepSeek V3.1 is an open-source / open-weight model released by DeepSeek. Muse Spark is a proprietary model released by Meta.

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