June 28, 2026
Bolt.new sets Claude Sonnet 4.6 as default model and introduces Opus 4.7
StackBlitz has upgraded the AI core of Bolt.new, making Claude Sonnet 4.6 the default model for a better balance of speed and reasoning. Additionally, the high-capacity Opus 4.7 model has been introduced for complex, long-running tasks that require deep reasoning across large project files.
StackBlitz has upgraded the AI core of Bolt.new, making Claude Sonnet 4.6 the default model for a better balance of speed and reasoning. Additionally, the high-capacity Opus 4.7 model has been introduced for complex, long-running tasks that require deep reasoning across large project files.