Gene Munster’s grades: OpenAI’s ChatGPT gets an ‘A,’ Apple’s Siri gets an ‘F’

In iOS 18, Siri received a new design that includes a glowing light that wraps around the edge of the screen when active.
Longtime Apple analyst Gene Munster says that all that matters for Apple’s AI is this next version of Siri, which we should see by June of next year. Munster knows Apple’s Siri is well behind ChatGPT and wanted to quantify that gap, so he tested the two and left with a new perspective: Siri isn’t an AI assistant. It is still just a voice-activated search tool. The combo of Siri and ChatGPT improved the quality of the results, but it took on average 5 to 10 seconds, underscoring one challenge of leveraging a third party LLM. Bottom Line Grading: Straight up Siri got an “F,” Siri + GPT a “B,” and ChatGPT an “A.”
Gene Munster for Deepwater Asset Management:
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We asked 50 questions to each tool: 15 commerce, 20 informational, and 15 reasoning prompts.
We graded the voice assistants on their understanding of the question, need for clarifications, helpfulness, clarity, and conciseness of the response, could it contextually handle a follow-up question, and the speed of response.
On a traditional grading scale, Siri would receive an F, ChatGPT through Siri would receive a B, and ChatGPT gets an A.
Siri on its own is stuck in the last decade. It functions more like a voice-activated Google search than a true AI assistant. Rarely did Siri provide a clear, useful answer, either via voice or text. Within the scope of this experiment, the model offered little value beyond simple device commands.
ChatGPT’s integration into Siri is better, but the experience is sluggish. On average, Siri’s handoff to ChatGPT took 5–10 seconds, with some answers delayed by as much as 20 seconds. In a world of instant results, that lag makes a difference.
ChatGPT voice, by contrast, feels like the future. The model mimics human rhythm and tone, even including natural pauses and filler words like “um” and “uh.” You can interrupt it mid-sentence, change direction, or go deeper and it keeps up. I found myself engaging in unscripted conversation, testing boundaries and learning more without thinking about it. It’s by far the most capable and life-like model we’ve tested.

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MacDailyNews Take: Yeah, but Siri makes iPhones’ edges glow.
Apple’s high-profile missteps under Cook like the botched, delayed Apple Intelligence rollout, the now-canceled “Project Titan” debacle which reportedly cost in excess of $10 billion, the decade-and-a-half neglect of Siri, and the underwhelming Vision Pro highlight a disconnect from consumer needs. – MacDailyNews, June 20, 2025
And, by the way, xAI’s Grok 3 is better in terms of accuracy and speed than ChatGPT 4, with Grok 4 looming for release just after July 4th.

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