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Opus 5 could cost you 5 extra hours every month

Opus 5 could cost you 5 extra hours every month

Anthropic says the average Claude Code user spends around 20 hours a week with it. Opus 5 writes about 60% more than Fable 5. That can add up to roughly 5.5 extra hours of reading every month.

Chart from Arena.ai shows Claude Opus 5 generates 510 words per answer, 60% more than Fable 5's 316 words, with longer sentences and higher clause frequency.
ClaudeFable 5AnthropicClaude
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