Is that using the state of the art reasoning models with Google search enabled? OpenAI o3 Gemini 2.5 Pro Grok 3 Anything below that is obsolete or dumbed do

Is that using the state of the art reasoning models with Google search enabled? OpenAI o3 Gemini 2.5 Pro Grok 3 Anything below that is obsolete or dumbed down to reduce cost I doubt this feature is actually broken and returning hallucinated links https://ai.google.dev/gemini-api/docs/grounding https://ai.google.dev/gemini-api/docs/grounding