Anthropic says Opus 4.7 uses "an updated tokenizer that improves how the model processes text", but "the tradeoff is that the same input can map to more tokens" (Zac Hall/9to5Mac)
Anthropic releases Opus 4.7 with an updated tokenizer that improves text processing, at the cost of more tokens per input.
Excerpt
<a href="https://9to5mac.com/2026/04/16/anthropic-reveals-new-opus-4-7-model-with-focus-on-advanced-software-engineering/"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260416/i31.jpg" vspace="4" /></a>
<p><a href="http://www.techmeme.com/260416/p31#a260416p31" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> Zac Hall / <a href="https://9to5mac.com/">9to5Mac</a>:<br />
<span style="font-size: 1.3em;"><b><a href="https://9to5mac.com/2026/04/16/anthropic-reveals-new-opus-4-7-model-with-focus-on-advanced-software-engineering/">Anthropic says Opus 4.7 uses “an updated tokenizer that improves how the model processes text”, but “the tradeoff is that the same input can map to more tokens”</a></b></span> — Anthropic has announced its latest AI model with Claude Opus 4.7. The new version arrives two months … </p>
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