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

Gemini 3.1 Pro vs Muse Spark 1.1

Google
Gemini 3.1 Pro
Meta
Muse Spark 1.1
Overview
CompanyGoogleMeta
Release dateFeb 19 2026Jul 9 2026
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
37%
Agentic coding
SWE-Bench Pro
54.2%
61.5%Best
Coding
SWE-Bench Verified
80.6%
Agentic coding
DeepSWE 1.1
53.3%
Next.js coding
Next.js Evals
67%
Agentic terminal coding
Terminal-Bench 2.1
70.3%
80%Best
Agentic terminal coding
Terminal-Bench 2.0
68.5%
Multi-step tool use
MCP Atlas
78.2%
88.1%Best
Professional tool use
JobBench
54.7%
Personal tool use
Toolathlon-Verified
75.6%
General tool use
Toolathlon
48.8%
Web browsing
BrowseComp
85.9%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
44.4%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
51.4%
62.1%Best
Abstract reasoning
ARC-AGI-2
77.1%
Advanced math
FrontierMath · Tier 1–3
36.9%
Advanced math
FrontierMath · Tier 4
16.7%
Science
GPQA Diamond
94.3%
Agentic computer use
OSWorld-Verified
76.2%
80.8%Best
Agentic financial analysis
Finance Agent v2
43%
57.2%Best
Knowledge work
GDPval-AA
1314
Knowledge work
GDPval (win/tie rate)
67.3%
Chart reasoning
CharXiv Reasoning
83.3%
88.4%Best
Visual reasoning
BabyVision
76.3%
Multimodal reasoning
MMMU-Pro
80.5%
Spatial reasoning
Blueprint-Bench 2
26.5%
Long context
MRCR v2 (8-needle) · 128k average
84.9%
Long context
MRCR v2 (8-needle) · 1M pointwise
26.3%
Timeline
Release gapGemini 3.1 Pro shipped 140 days before Muse Spark 1.1

Which is better: Gemini 3.1 Pro or Muse Spark 1.1?

Muse Spark 1.1 leads Gemini 3.1 Pro on 7 of the 7 benchmarks they both report. Gemini 3.1 Pro shipped 140 days before Muse Spark 1.1, 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.

On SWE-Bench Pro, Muse Spark 1.1 leads at 61.5% vs Gemini 3.1 Pro at 54.2%. On Terminal-Bench 2.1, Muse Spark 1.1 leads at 80% vs Gemini 3.1 Pro at 70.3%. On MCP Atlas, Muse Spark 1.1 leads at 88.1% vs Gemini 3.1 Pro at 78.2%. On Humanity's Last Exam · with tools, Muse Spark 1.1 leads at 62.1% vs Gemini 3.1 Pro at 51.4%. On OSWorld-Verified, Muse Spark 1.1 leads at 80.8% vs Gemini 3.1 Pro at 76.2%. On Finance Agent v2, Muse Spark 1.1 leads at 57.2% vs Gemini 3.1 Pro at 43%. On CharXiv Reasoning, Muse Spark 1.1 leads at 88.4% vs Gemini 3.1 Pro at 83.3%.

Frequently asked questions

Gemini 3.1 Pro was released by Google on Feb 19 2026.

Muse Spark 1.1 was released by Meta on Jul 9 2026.

Muse Spark 1.1 leads on SWE-Bench Pro — Gemini 3.1 Pro 54.2% vs Muse Spark 1.1 61.5%.

Muse Spark 1.1 leads on Humanity's Last Exam · with tools — Gemini 3.1 Pro 51.4% vs Muse Spark 1.1 62.1%.

Other comparisons