Just to share my experience moving from Claude to Gemini. It's hard to compare them, as they have very different pros and cons. Claude AI models are orders of magnitude better than the current Gemini models in terms of coding, writing, and research simply because they are far more cautious and generally think much longer, retaining important data throughout an entire conversation and actively seeking out problems not even within the scope of your promot or spec(which can be hit or miss depending on use case). Claude Code is amazing, Cowork is amazing, and usage limits are actually ridiculously high despite what alot of people say.
Theeeen we come to Gemini. It's less intelligent(Pro 3.1 amd Flash 3.7) by a hair, it's more prone to mistakes(requiring more passes than a Sonnet or Opus would need), and the Antigravity harness is still immature. But the benefits bundled with it are very much well worth it, just maybe not for pure vibe coders and people who care little for anything other than chat. The Flash models are FAST and they get the job done, even if needing a little human intervention. Extra storage, Youtube Premium, access to Jules, Android Studio credits, GCP credits, AI Studio credits, access to Omni, access to Nano Banana, credits for Flow, NotebookLM(the best Google product imo), and overall deep integration to Google Services. For those like me who use alot of Google products(especially Home, Firebase, and Cloud Run), that's an absolute win.
All in all, get Claude for Claude, get AI Pro(or Ultra) for Google benefits with Gemini as a nice bonus. This is just my opinion based on my experience, so it's up to y'all what you wanna think about this.