Grok 4.5 GPT-5.6 Claude Cowork — AI Dev Pulse · Jul 12, 2026
At a glance ## At a glance – xAI released Grok 4.5 this week, emphasizing strong coding performance and 4.2x token efficiency at competitive pricing. – OpenAI launched GPT-5.6 variants (Sol, Terra, Luna) on July 9 alongside ChatGPT Work for agentic productivity. – Anthropic responded with Claude Cowork for web and mobile on the same … Read more