Checked fact 7418 Oct 2026Models and releases

The documentation says the same text counts as approximately 30% more tokens on Haiku 5.5 than on Haiku 4.5. Quote: "the same text counts as approximately 30% more tokens than on Claude Haiku 4.5"

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The exact words it rests on

It uses the same newer tokenizer as Claude 4.7 and later models, so the same text counts as approximately 30% more tokens than on Claude Haiku 4.5.

What the source said when we opened it, on 8 Oct 2026.

The source

Claude Haiku 5.5 overview
Anthropic

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Checked

Checked by the notis newsroom on 8 Oct 2026, against the source above.

In the story

Anthropic cuts small-model prices with Claude Haiku 5.5 8 Oct 2026

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In a sentence

“The documentation says the same text counts as approximately 30% more tokens on Haiku 5.5 than on Haiku 4.5. Quote: "the same text counts as approximately 30% more tokens than on Claude Haiku 4.5".” ai notis, checked 8 Oct 2026. Source: Claude Haiku 5.5 overview (Anthropic). https://ainotis.com/c/741

As a reference (APA style)

ai notis. (2026, October 8). The documentation says the same text counts as approximately 30% more tokens on Haiku 5.5 than on Haiku 4.5. Quote: "the same text counts as approximately 30% more tokens than on Claude Haiku 4.5" [Checked claim 741]. ai notis. https://ainotis.com/c/741

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