Dev.to
6/17/2026

Claude 3.5 Sonnet Isn't Just an Upgrade. It's a New Baseline.
Short summary
Anthropic released Claude 3.5 Sonnet, which outperforms Claude 3 Opus on reasoning and coding benchmarks while costing less and running twice as fast. The 64% internal agentic coding solve rate makes it viable for autonomous code manipulation tasks. Enhanced vision capabilities and Artifacts feature unlock new workflows for customer support, codebase migration, and multi-step orchestration.
- •Claude 3.5 Sonnet exceeds Claude 3 Opus on multiple benchmarks at 50% lower cost and 2x faster speed
- •64% agentic coding solve rate (vs 38% for Opus) enables reliable autonomous code understanding and implementation
- •Vision improvements and Artifacts interactive workspace expand use cases in logistics, finance, retail, and customer support automation
Generated with AI, which can make mistakes.
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