Pricing change·Jun 29 → Jul 6, 2026·Week 28, 2026·AI & Machine Learning
Anthropic launches Sonnet 5, cuts price to $2/$10 per MTok through Aug 31
What changed
Price decrease
Sonnet flagship API model relaunched as 'Sonnet 5' (was Sonnet 4.6) with introductory pricing of $2/$10 per MTok input/output (down from $3/$15); reverts to $3/$15 standard after Aug 31, 2026. Sonnet 4.6 demoted to Legacy models.
Before and after
Jun 29, 2026 vs Jul 6, 2026Pulse.
100%
What changed
Sonnet flagship API model relaunched as 'Sonnet 5' (was Sonnet 4.6) with introductory pricing of $2/$10 per MTok input/output (down from $3/$15); reverts to $3/$15 standard after Aug 31, 2026. Sonnet 4.6 demoted to Legacy models.
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