Loading share button...
Claude 2vsClaude Opus 4.1
Comparing across 1 challenges
2 Models Selected
Comparison Active
Claude 2
anthropic•Jun 2023
A
Not disclosed
100,000k
large
conversationreasoninganalysis+1
Claude Opus 4.1
anthropic•Aug 2025
B
Not disclosed
200,000k
xlarge
conversationreasoningcode generation+3
Battle Arena
0/1 challenges loaded
0%
Loading more challenges...0/1