Siri vs other AI assistants: Who is smarter?

When Apple introduced Siri as a signature voice assistant on iPhone 4S, it began the trend of smart voice assistants, leading to the debut of Google Assistant, Amazon Alexa, and Microsoft Cortana. Its transformation from a standalone iOS app to a full-fledged virtual assistant seemed to mark the moment when our digital interaction moved from touch to voice.

While Siri had a head start in the AI race, it now finds itself battling not only other voice assistants but also a newer crop of AI assistants, such as OpenAI’s ChatGPT and Google Gemini. In Siri vs other AI assistants, which one is smarter in 2025? Let’s find out.

Siri and AI

If Siri was the first taste of AI for iPhone users in 2011, then ChatGPT can be dubbed as the first taste of smarter AI for the world in 2022. As generative AI companions, the likes of ChatGPT and Google Gemini are not only capable of generating text, images, and videos but also of reasoning. To understand which one is smarter between Siri and AI assistants, let’s compare them across the different categories.

Natural conversation
Apple’s ability to improve Siri’s conversational tone to make it more human and less robotic remains commendable. However, ChatGPT and Google Gemini’s ability to engage in human-like dialogue, offer nuance, and long-form reasoning make them think better than Siri. It is an area where you quickly realise that natural conversation is not just about sound.

Real-time knowledge
Gemini’s deep integration with Google Search means it remains unbeatable in this area. Whether it is live web answers, factual queries, or breaking news updates, Gemini is a leader, while Siri’s real-time accuracy is limited by its privacy-first approach.

Privacy
Apple has been the champion of data privacy for many years now, and Siri is no exception. The on-device processing and secure enclave give Siri a privacy edge, and Apple’s strict data policies make its digital assistant more confidential than generative AI assistants.

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Personalisation
If you are an iPhone user looking for an assistant with personalisation and context, Siri is your go-to assistant. Since it knows your habits, preferences, calendar appointments, emails, and device usage patterns, Siri can offer context and a personalised experience privately and securely. Whether you want to summarise your meeting notes or draft a reply, Siri works seamlessly compared to other AI assistants, which can offer context but not Apple’s privacy-first integration.

Creative tasks
Running late for a meeting and need the help of an AI assistant to draft a pitch? Well, you may have to turn to ChatGPT or Gemini since they are more capable of generating stories, pitches, social posts, code, or essays. Siri can assist with short drafts, but cannot match generative AI assistants in long-form creative work.

Multimodal understanding
The cornerstone of AI assistants is multimodality, and there is one clear winner: Google Gemini. Gemini’s ability to process images, videos, and documents is more mature than Siri, which only supports on-device image understanding. Siri lacks the flexibility offered by Gemini or ChatGPT’s multimodal tools.

Siri vs other AI assistants: Who is smarter

In 2025, Siri may not be as smart as generative AI assistants, but it does have some strengths. Its biggest strength continues to be the integration with iOS, where it shines with device control and automation. From HomeKit to Shortcuts, Siri’s integration is unmatched, and it is thus the best assistant for Apple users looking for context and device control.

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If you are looking for creativity, reasoning, coding, and conversations, your best option is Open’s ChatGPT. What about Gemini? Google’s GenAI assistant is the best for live knowledge, search, and multimodal tasks. In a nutshell, every AI assistant has its strengths, and the smartest assistant depends on your everyday utility.