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Claude Sonnet 5 release and pricing
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Anthropic released Claude Sonnet 5, a mid-tier model positioned between Haiku and Opus. The new tokenizer increases pricing by ~1.4x for English and ~1.33x for Spanish, while keeping Simplified Mandarin costs roughly flat.
- New tokenizer implementation drives pricing changes across languages
- English text now costs approximately 1.4x more per token
- Spanish pricing increased by roughly 1.33x compared to prior version
- Simplified Mandarin pricing remains approximately unchanged
- System Card and benchmark results published for model evaluation