Testing Smartphone AI: Siri vs. Gemini vs. Bixby

Technology Gadgets

Aug 19, 2026 · 4 min read

Testing Smartphone AI: Siri vs. Gemini vs. Bixby

Smartphones can now unlock and manage multiple apps with voice commands, thanks to voice assistants like Siri, Gemini, and Bixby. Each assistant has strengths and weaknesses, particularly in multitasking and accuracy, with Bixby displaying superior performance in handling numerous requests simultaneously.

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AI Voice Assistants: Siri, Gemini, and Bixby Face Off

Voice assistants have become essential tools in our daily lives, integrating into smartphones, smart homes, and various apps. In smartphone tech, three of the most recognized voice assistants are Siri (Apple), Gemini (Google), and Bixby (Samsung). To understand how these assistants stack up, let's delve into a hands-on comparison, focusing on their core capabilities, multitasking, and specific use cases.

Why This Matters

Voice assistants are transformative, streamlining tasks from sending messages to managing schedules. However, their effectiveness hinges on accuracy, multitasking, and contextual understanding. This comparison helps you leverage these tools to maximize productivity and convenience.

Multitasking and Accuracy

Opening Multiple Apps

One of the key features users look for in a voice assistant is the ability to open multiple apps simultaneously. Siri, Gemini, and Bixby demonstrate varied performance in this area.

Siri shows a limitation when asked to open Google and a gallery app at the same time. It prompts for clarification, hampering efficiency. Gemini, on the other hand, can open two apps simultaneously but requires the use of "and" between app names, which may not always work seamlessly.

Bixby stands out in this test. Simply command, "Open Google Chrome and the gallery app at the same time," and Bixby executes it flawlessly. This makes Bixby a robust choice for tasks that require managing multiple apps.

Setting Timers While Multitasking

Multitasking becomes even more critical when dealing with multiple tasks. For instance, setting a timer while opening apps. Here, the assistants show noticeable differences.

When asked to open ChatGPT, LinkedIn, and set a 30-minute timer, Siri only manages to open ChatGPT. Gemini opens both ChatGPT and LinkedIn but fails to start the timer, indicating a partial multitasking capability.

Bixby, once again, excels. It opens both ChatGPT and LinkedIn and successfully sets the 30-minute timer. This performance showcases Bixby's superior multitasking prowess, making it a favorite for users who need to manage multiple tasks seamlessly.

Tracking Calories and Nutrition

Voice assistants are increasingly integrating with health apps, assisting users in tracking their diet and fitness.

For instance, commands like, "I ate a pizza," can trigger a calorie-tracking feature. Siri, after a misunderstanding, eventually allowed the user to select the item, although this process was not intuitive. Gemini offers a more streamlined approach, correctly identifying the food item and tracking the calories.

Bixby not only correctly identifies the food but also provides options for different pizza types, making it a more versatile tool for dietary tracking.

Practical Tips for Using Voice Assistants

Maximize Ease and Efficiency

To get the most out of your voice assistant, use clear, specific commands. Avoid ambiguous phrases that may confuse the AI. For example, when using Gemini, always include "and" when opening multiple apps, as in "Open gallery app and Google Chrome at the same time."

Use Contextual Commands

For health-related tracking, use commands that provide context. Instead of just saying, "Track my food," say, "I ate a slice of pizza," to help the assistant understand and respond accurately.

Leverage Multitasking

For tasks that involve multiple steps, utilize the assistant's multitasking feature. For example, while working on a project, you can command, "Open my notes, LinkedIn, and set a 30-minute timer."

Important Takeaways

Performance Variability

The three assistants exhibit different strengths and weaknesses. Gemini and Bixby often outperform Siri in multitasking, making them more efficient for users who handle complex tasks.

Varying Adaptability

Gemini and Bixby show better adaptability to context and user commands, making them more user-friendly for everyday tasks.

Contextual Understanding

When it comes to health-related tasks, Bixby and Gemini offer better contextual understanding, helping users track their dietary intake more effectively.

Conclusion

The ongoing evolution of voice assistants continues to reshape the way we interact with our devices. Whether it's for managing tasks, tracking health metrics, or just getting things done more efficiently, each assistant has unique strengths. By understanding their capabilities, users can choose and optimize their voice assistant for maximum productivity and convenience.

Summary

Key points

  • Voice assistants like Siri, Gemini, and Bixby are integral to smartphones, smart homes, and various apps.
  • The effectiveness of voice assistants is determined by their accuracy, multitasking, and contextual understanding.
  • Bixby excels at opening multiple apps simultaneously, making it a strong choice for multitasking.
  • When setting a timer while opening apps, Bixby outperforms Siri and Gemini in multitasking.
  • Bixby offers more versatility in dietary tracking by providing options for different food types.
  • Gemini provides a more streamlined approach for calorie tracking compared to Siri.
Answers

FAQ

Bixby stands out for its multitasking abilities, performing best in managing several requests at once. While Siri and Gemini are capable, Bixby's performance in handling numerous commands consecutively makes it a top choice for users who need to juggle multiple tasks hands-free.

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