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

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Claude 2 vs Muse Spark

0 vs 3 benchmarks won

Anthropic
Claude 2
Meta
Muse Spark
Overview
CompanyAnthropicMeta
Release dateJul 11 2023Apr 8 2026
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 gapClaude 2 shipped 1002 days before Muse Spark

Which is better: Claude 2 or Muse Spark?

Muse Spark leads Claude 2 on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude 2 shipped 1002 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 Claude 2 released?
Claude 2 was released by Anthropic on Jul 11 2023.
When was Muse Spark released?
Muse Spark was released by Meta on Apr 8 2026.

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