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

Gemini 1.5 Flash vs Muse Spark

Google
Gemini 1.5 Flash
Meta
Muse Spark
Overview
CompanyGoogleMeta
Release dateMay 14 2024Apr 8 2026
AccessProprietaryProprietary
Benchmarks
Agentic coding
SWE-Bench Pro
55%
Coding
SWE-Bench Verified
77.4%
Agentic coding
DeepSWE 1.1
10%
Agentic terminal coding
Terminal-Bench 2.1
67.3%
Multi-step tool use
MCP Atlas
82.2%
Professional tool use
JobBench
17%
Personal tool use
Toolathlon-Verified
49.4%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
50.4%
Abstract reasoning
ARC-AGI-2
42.5%
Science
GPQA Diamond
89.5%
Agentic computer use
OSWorld-Verified
53.3%
Chart reasoning
CharXiv Reasoning
88.9%
Visual reasoning
BabyVision
39.9%
Multimodal
MMMU
80.4%
Community preference
Arena Elo (Text)
1488
Timeline
Release gapGemini 1.5 Flash shipped 694 days before Muse Spark

Which is better: Gemini 1.5 Flash or Muse Spark?

Gemini 1.5 Flash and Muse Spark don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash shipped 694 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 — Gemini 1.5 Flash and Muse Spark don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 1.5 Flash was released by Google on May 14 2024.

Muse Spark was released by Meta on Apr 8 2026.

Other comparisons