Anthropic will release a Sonnet 4.7 or equivalent mid-tier model refresh within 6 weeks of Opus 4.7, marking the fastest flagship-to-midtier iteration cycle in Anthropic's history and establishing a new monthly-cadence release pattern.
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Opus 4.7 released today with new tokenizer and #1 benchmark rankings — 6 mentions on day one, entity appeared from zero. Anthropic engineering blog active as a source. Claude Code at 13 co-occurrences with Anthropic this week. The new tokenizer in Opus 4.7 is the key signal: tokenizer changes propagate across model tiers, meaning Sonnet/Haiku refreshes using the same tokenizer are likely already in pipeline. Combined with existing prediction about Anthropic pricing restructure and Pro Plus tier — a Sonnet refresh would be the natural vehicle for new pricing. Release cadence has compressed from quarterly to approximately monthly.
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