Anthropic's new coding model, Opus 4.5, is praised as the most advanced tool for programming, capable of producing user-focused plans and reliable code without hitting limitations. While it excels in coding and writing, it has minor flaws in editing, highlighting the ongoing evolution in AI coding models.
Grok has launched `grok-code-fast-1`, a fast and cost-effective reasoning model tailored for agentic coding. Designed for usability and optimized for various programming languages, it promises rapid tool integration and a responsive user experience, currently offered for free through select partners.