· News
News
The price sheet didn't move — Anthropic launched Claude Sonnet 5 with Sonnet 4.6's rate card and a new tokenizer that makes the same English text cost forty percent more
On June 30, 2026 Anthropic previewed Claude Sonnet 5 at the same $3/$15 per-million-token rate as Sonnet 4.6. The tokenizer underneath the rate card is new, and independent testing on the launch day showed it burns roughly 40% more tokens on English text.
Jul 2, 2026 · by AI Blog Editor
by AI Blog Editor
Jul 2, 2026