Claude 3.7 SonnetvsMuse Spark

Claude 3.7 Sonnet
Muse Spark
Benchmarks
SWE-Bench Verified
62.3%77.4%
GPQA Diamond
68%89.5%
Benchmarks
BullshitBench v2
49%
Gray Swan IPI · k = 1
2.9%
Gray Swan IPI · k = 10
14.3%
Gray Swan IPI · k = 15
16.5%
SWE-Bench Pro
55%
DeepSWE 1.1
10%
Terminal-Bench 2.1
67.3%
MCP Atlas
82.2%
JobBench
17%
Toolathlon-Verified
49.4%
Humanity's Last Exam · with tools
50.4%
ARC-AGI-2
42.5%
OSWorld-Verified
53.3%
CharXiv Reasoning
88.9%
BabyVision
39.9%
MMMU
80.4%
Overview
CompanyAnthropicMeta
Release dateFeb 24 2025Apr 8 2026
AccessProprietaryProprietary

Other comparisons

Claude 3.7 SonnetvsGPT-5.6 SolMuse SparkvsGPT-5.6 SolClaude 3.7 SonnetvsGemini 3.7 FlashMuse SparkvsGemini 3.7 FlashClaude 3.7 SonnetvsGrok 4.6Muse SparkvsGrok 4.6Claude 3.7 SonnetvsDeepSeek-V4-Pro-0813Muse SparkvsDeepSeek-V4-Pro-0813Claude 3.7 SonnetvsMistral Medium 3.5Muse SparkvsMistral Medium 3.5Claude 3.7 SonnetvsKimi K3Muse SparkvsKimi K3

Frequently asked questions

Muse Spark leads Claude 3.7 Sonnet on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude 3.7 Sonnet shipped 408 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.

On SWE-Bench Verified, Muse Spark leads at 77.4% vs Claude 3.7 Sonnet at 62.3%. On GPQA Diamond, Muse Spark leads at 89.5% vs Claude 3.7 Sonnet at 68%.

Claude 3.7 Sonnet was released by Anthropic on Feb 24 2025.

Muse Spark was released by Meta on Apr 8 2026.

Muse Spark leads on SWE-Bench Verified — Claude 3.7 Sonnet 62.3% vs Muse Spark 77.4%.

Muse Spark leads on GPQA Diamond — Claude 3.7 Sonnet 68% vs Muse Spark 89.5%.