In an agentic pipeline, the output text is 2-5% of the total tokens used, so verbosity is a nonissue costwise. Although, higher verbosity could cause input to balloon faster and potentially cost more, but that would be captured by the cost-per-task metric.
replyBut as noted by other replies, it's still lower than Opus/Sonnet.
You pay for chain of thought tokens as well. Ex: Imagine asking for a single number that takes 1h to compute
replyThat's included in my estimate. Take for example Opus 5.5: https://openrouter.ai/anthropic/claude-opus-5.5
replyCurrently for today, it's 1.19T input tokens, 5.41B reasoning tokens, and 4.29B completion.
Therefore, reasoning + completion is 0.8% of the total usage. Actually below my estimate!
Opus 5.5 is even more verbose. 260M on the same suite.
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