- Anthropic launched Claude Sonnet 5, a mid-sized model with enhanced agentic capabilities similar to leading, more expensive models.
- Sonnet 5 is priced at $2/million input tokens and $10/million output tokens until August 31, 2026, making it cheaper than Opus 4.8, GPT-5.5, and Gemini 3.1 Pro.
- The new model shows significant improvements in reasoning, tool use, coding, and knowledge work, nearing Opus 4.8’s performance at a lower cost.
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