
30/09/2025
Anthropic has unveiled Claude Sonnet 4.5, its latest AI model, calling it the “best coding model in the world.”
The model scored 77.2% on the SWE bench benchmark, surpassing OpenAI’s GPT-5 and Google’s Gemini 2.5 Pro.
It comes with upgrades in coding, reasoning, computer use, and domain-specific knowledge, and is available via Claude’s website, mobile apps, Claude Code, API, and Chrome extension (in testing).
🔑 Key Details:
🔸 77.2% score on SWE bench benchmark, higher than GPT-5 & Gemini 2.5 Pro. 🏆
🔸 Model can work autonomously for 30 hours on a single task. ⏱️
🔸 Available on Claude website, mobile apps, API, and Chrome extension (testing).
🔸 Wrote 436 lines of React code in 2 mins for a WhatsApp-like app. 💻
🔸 Leads benchmarks in coding, computer use, maths, finance; rivals top in reasoning & language. 📊
🔸 Improved safeguards against deception, prompt injections, and unsafe responses. 🔒