Comparing 2 models

Claude Opus 4.5 vs Muse Spark 1.1

Facts first, then task-specific rankings. A highlighted cell is better only for that row, not universally.

metric
Model 1Claude Opus 4.5
Model 2Muse Spark 1.1
Best for
Agentic Coding (#1)
a General Assistant (#5)
Provider
anthropic
meta
Context
200K
1.0MBest
Input / 1M
$5
$1.25Best
Output / 1M
$25
$4.25Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Nov 24, 2025
Jul 16, 2026