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GPT-1vsClaude Sonnet 4.5

Comparing across 6 challenges

2 Models Selected
Comparison Active
GPT-1

GPT-1

openaiJun 2018
A
117M
512k
small
conversationsummarization
Claude Sonnet 4.5

Claude Sonnet 4.5

anthropicSep 2025
B
200,000k
large
conversationreasoningcode generation+2

Battle Arena

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