We’ve added support for Anthropic’s Claude Sonnet 4 to Pmfm.ai

What makes it special:

→ 72.7% accuracy on SWE-bench (80.2% with parallel compute)
→ 64K output tokens for massive generations (we're working on adding this)
→ Superhuman reasoning and self-correction
→ Optimized for production-scale deployments

Why it matters:

Sonnet 4 is incredibly versatile — whether you're building a lightning-fast customer support bot or a research-heavy assistant with memory and nuance, it adapts seamlessly to your use case. To learn how to create a custom AI bot using Claude Sonnet 4, check out our blog.