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- 🤖 Claude Sonnet 4 Is Live — And It’s a Beast
🤖 Claude Sonnet 4 Is Live — And It’s a Beast
Anthropic’s newest model is here. Faster. Smarter. Leaner.
OpenAI’s had a comfortable lead in the AI race. But now?
Claude Sonnet 4 is Anthropic’s answer — and it means business.
It’s faster than Opus, better at reasoning, stronger in coding, and (cheaper.
💡 So, what’s new?
Claude Sonnet 4 is part of Anthropic’s Claude 4 model family — a major upgrade designed to be both powerful and efficient.
Here’s what makes it special:
Smart as hell: Better reasoning, better instruction-following, and better memory.
Feels like a real person: Communicates and reasons with nuance, openness, and realism — like talking to a very smart human.
Catches its own mistakes: Yes, really. It corrects itself mid-task.
Uses tools: Can interact with external tools to get things done.
Agent-ready: Strong performance on tasks that require multi-step thinking or long chains of logic.
It’s not just smarter. It’s more useful.
Interacting with Claude Sonnet 4 was amazing — truly fantastic. It felt like a real conversation with a very smart human. It’s by far the most human-like and intelligent AI I’ve ever used. And I’ve tried nearly all of them.
đź“Š Benchmarks (real ones)
Let’s talk numbers. According to Anthropic:
SWE-bench (coding tasks): 72.7% pass rate
Tool use (TAU-bench): Outperforms Claude 3.5 and even Claude 4 Opus
Speed: Faster than Opus
Price: $3 per million input tokens, $15 per million output tokens — way below Opus
🧪 Real-world power
Claude Sonnet 4 is built for more than just chatting:
Build agents that think in steps
Run long, complex processes
Extract data from PDFs, images, charts
Write and debug production-grade code
🧠Final thoughts
Claude Sonnet 4 is leaner than Opus, smarter than 3.5, and stronger than GPT-4o. It may not be flashy, but it’s quietly excellent — and it’s live now.
Test it. Push it. Compare it.
Then decide if it’s time to switch.
—
The Siteefy Team