Skip to main content

Claude Sonnet 4.5 and Grok 4 (September 29, 2025)

Babbily Support avatar
Written by Babbily Support
Updated over a week ago

We've added Claude Sonnet 4.5 to Babbily, giving you access to the world's best coding model and the strongest model for building complex agents.

What makes Claude Sonnet 4.5 special:

  • Elite coding capabilities - State-of-the-art performance on real-world software development tasks

  • Extended focus - Can maintain attention on complex, multi-step tasks for 30+ hours

  • Advanced computer use - Leading performance on computer interaction tasks (61.4% on OSWorld benchmark)

  • Improved reasoning - Substantial gains in reasoning and math capabilities

  • Better alignment - The most aligned frontier model from Anthropic yet, with reduced concerning behaviors

Grok 4 added

Grok 4 is now available on Babbily, expanding your model options for different use cases and conversational styles.

Did this answer your question?