Apple's Siri AI upgrade hits another snag, pushing key features to late 2026 or beyond

Reviewed byNidhi Govil

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Apple's long-awaited Siri overhaul faces yet another setback as internal testing reveals the revamped virtual assistant struggles with speed and accuracy. Originally announced in 2024, the AI-powered upgrade—built on Google Gemini integration—was slated for March 2026 but will now roll out piecemeal across future iOS updates, potentially delaying some features until September or later.

Apple Delays Siri AI Upgrade Again as Testing Reveals Critical Flaws

Apple has postponed the launch of its highly anticipated Siri overhaul once again, marking another setback in the company's efforts to compete in the AI assistant space. According to Bloomberg sources, the revamped virtual assistant will no longer debut as planned in the iOS 26.4 update scheduled for March 2026

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. Instead, Apple will spread the new capabilities across future iOS updates, potentially pushing some features to iOS 26.5 in May or iOS 27 in September

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Source: PYMNTS

Source: PYMNTS

Internal testing uncovered significant Siri performance issues that forced the behind schedule release. The assistant doesn't always process queries correctly and can take too long to handle requests, according to people familiar with the matter

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. As recently as late 2025, internal versions of the new Siri were so sluggish that developers believed Apple would need to delay the introduction by months

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Google Gemini Integration Struggles to Deliver on Promise

The redesigned Siri operates on an entirely new architecture called Linwood, which relies on Apple Foundation Models now incorporating technology from Google's Gemini team

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. Apple confirmed the Google Gemini integration in January this year, stating that "Google's AI technology provides the most capable foundation for Apple Foundation Models"

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. The partnership reportedly costs Apple $1 billion per year

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Source: Wccftech

Source: Wccftech

Despite this collaboration, testers report accuracy issues and bugs that cause Siri to cut users off when they speak too quickly

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. Another challenge involves the new Siri sometimes falling back on its existing integration with OpenAI's ChatGPT instead of using Apple's own technology, even when Siri should be capable of handling the request

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Key Features Face Extended Delays

One feature especially likely to slip is the expanded ability for Siri to tap into personal data. This technology would let users ask the assistant to search old text messages to locate a podcast shared by a friend and immediately play it

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. Internal iterations of iOS 26.5 include a settings toggle allowing employees to enable a "preview" of that functionality, suggesting Apple may warn users that the initial launch is incomplete or may not work reliably

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Other features running behind include advanced commands for voice-based control of in-app actions through a system known as app intents. This would enable people to ask Siri to find an image, edit it, and send it to a contact—all in a single command

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. Apple employees testing iOS 26.5 report early support exists, but these features don't function reliably in all cases

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What This Means for Apple's AI Strategy

Apple first announced plans for the revamped Siri in June 2024, showcasing AI chatbot features that would let the assistant tap into personal data and on-screen content to better fulfill requests

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. The company even released a commercial featuring Bella Ramsey demonstrating these capabilities in fall 2024, but had to pull the ad because Apple couldn't ship a real-life version of what it depicted

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The Siri delay highlights Apple's cautious approach to AI deployment compared to competitors like Amazon and Google. Alexa Plus and Gemini for Home have been available for months, with Alexa Plus offering conversational capabilities and third-party app integrations for $20 per month

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. While Apple invested less in large language models and generative AI at the start, the company appears determined to deliver a highly polished product rather than rush an incomplete version to market

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Source: Macworld

Source: Macworld

Current test versions of iOS 26.5 include two additional features Apple hasn't yet announced: a new web search tool functioning similarly to Perplexity or Google's Gemini search, and custom image generation using the same engine as Apple's Image Playground app

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. These capabilities could still arrive on the earlier timeline, though the situation remains fluid and Apple's plans may change further

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