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

Home/Compare/Muse Spark vs GPT-4.1

Muse Spark vs GPT-4.1

3 vs 0 benchmarks won

Meta
Muse Spark
OpenAI
GPT-4.1
Overview
CompanyMetaOpenAI
Release dateApr 8 2026May 14 2025
Model type
Open sourceNoNo
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 gapGPT-4.1 shipped 329 days before Muse Spark

Which is better: Muse Spark or GPT-4.1?

Muse Spark leads GPT-4.1 on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). GPT-4.1 shipped 329 days before Muse Spark, 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 — 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 GPT-4.1 released?
GPT-4.1 was released by OpenAI on May 14 2025.

Other comparisons