Tootfinder

🔧 Comparable performance to #ClaudeSONnet4 in agentic browser-use and tool-use tasks
💾 Trained on 7.5T tokens with 70% code ratio while preserving general and math abilities
⚡ Long-horizon reinforcement learning using 20,000 parallel environments on #AlibabaCloud infrastru…

Claude Sonnet 4 - 1M Context Window Content Structure
🚀 Main Announcement
#Anthropic announces #ClaudeSonnet4 now supports up to 1 million tokens of context - a 5x increase that transforms how developers work with