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

Gemini 3.5 Flash vs Muse Spark

Google
Gemini 3.5 Flash
Meta
Muse Spark
Overview
CompanyGoogleMeta
Release dateMay 19 2026Apr 8 2026
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
20%
Agentic coding
SWE-Bench Pro
55.1%
Coding
SWE-Bench Verified
77.4%
Agentic coding
CursorBench v3.1
49.8%
Agentic terminal coding
Terminal-Bench 2.1
76.2%
Multi-step tool use
MCP Atlas
83.6%
General tool use
Toolathlon
56.5%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
40.2%
Abstract reasoning
ARC-AGI-2
72.1%
Science
GPQA Diamond
89.5%
Agentic computer use
OSWorld-Verified
78.4%
Agentic financial analysis
Finance Agent v2
57.9%
Knowledge work
GDPval-AA
1656
Chart reasoning
CharXiv Reasoning
84.2%
Multimodal reasoning
MMMU-Pro
83.6%
Multimodal
MMMU
80.4%
Spatial reasoning
Blueprint-Bench 2
33.6%
Long context
MRCR v2 (8-needle) · 128k average
77.3%
Long context
MRCR v2 (8-needle) · 1M pointwise
26.6%
Timeline
Release gapMuse Spark shipped 41 days before Gemini 3.5 Flash

Which is better: Gemini 3.5 Flash or Muse Spark?

Gemini 3.5 Flash and Muse Spark don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Muse Spark shipped 41 days before Gemini 3.5 Flash, 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 3.5 Flash and Muse Spark don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 3.5 Flash was released by Google on May 19 2026.

Muse Spark was released by Meta on Apr 8 2026.

Other comparisons