Anthropic launches Claude Sonnet 5 as a cheaper way to run agents

Anthropic has introduced Claude Sonnet 5, a new AI model that balances stronger agentic capabilities with lower pricing, according to TechCrunch AI. Positioned as a more affordable alternative to premium models like Opus, GPT-5.5, and Gemini Pro, Sonnet 5 is designed to handle autonomous tasks such as tool use, multi-step reasoning, and code generation without human intervention. The model also includes improved safety measures, making it suitable for production deployments where reliability and cost are key. For developers and solopreneurs building AI workflows, this release means they can now deploy agent-like behaviors—such as automated debugging, API orchestration, or data extraction—at a fraction of the previous cost. The pricing shift could enable more experimentation with agentic patterns, particularly for those who found top-tier models too expensive for high-volume tasks. However, users should verify Sonnet 5's performance on their specific use cases before migrating from other models. Overall, the launch underscores a trend toward more cost-efficient, capable models that lower the barrier to building autonomous AI systems.