Claude Sonnet 5 is Anthropic's mid-tier model released June 30, 2026, replacing Sonnet 4
Why: Sonnet 5 is the practical default for most day-to-day work: it closes much of the gap to Opus-tier performance while staying meaningfully cheaper, and Anthropic made it the automatic replacement for Sonnet 4.6 across the free and Pro tiers.
Z.ai, the Beijing-based artificial intelligence lab formerly known as Zhipu AI, on Wednesday officially launched ZCode, a free desktop application it describes as an "Agentic Development Environment" purpose-built for its flagship GLM-5.2 large langu…
Even as the geopolitical conversation around AI continues to grow more fraught following the U.S. government's actions to limit the new models from Anthropic and OpenAI, Chinese open source darling DeepSeek is back with yet another open release that could…
Rebecca Bellan / TechCrunch: Anthropic launches Claude Science, an AI workbench that uses existing Claude models like Opus 4.8 to integrate 60+ scientific databases and specialized toolkits — Anthropic introduced Claude Science on Tuesday, an…
Anthropic’s Claude Sonnet 5 brings stronger agentic capabilities, lower pricing, and improved safety, positioning the model as a cheaper alternative to Opus, GPT-5.5, and Gemini Pro.