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

Muse Spark 1.1 vs GPT-4o

Meta
Muse Spark 1.1
OpenAI
GPT-4o
Overview
CompanyMetaOpenAI
Release dateJul 9 2026May 13 2024
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
12%
Agentic coding
SWE-Bench Pro
61.5%
Agentic coding
DeepSWE 1.1
53.3%
Agentic terminal coding
Terminal-Bench 2.1
80%
Multi-step tool use
MCP Atlas
88.1%
Professional tool use
JobBench
54.7%
Personal tool use
Toolathlon-Verified
75.6%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
62.1%
Agentic computer use
OSWorld-Verified
80.8%
Agentic financial analysis
Finance Agent v2
57.2%
Chart reasoning
CharXiv Reasoning
88.4%
Visual reasoning
BabyVision
76.3%
Timeline
Release gapGPT-4o shipped 787 days before Muse Spark 1.1

Which is better: Muse Spark 1.1 or GPT-4o?

Muse Spark 1.1 and GPT-4o don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4o shipped 787 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.

Direct benchmark comparisons are unavailable — Muse Spark 1.1 and GPT-4o don't publish scores on any of the same benchmarks.

Frequently asked questions

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

GPT-4o was released by OpenAI on May 13 2024.

Other comparisons