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GPT-5 Arrives, and We Try the New Alexa+

Hard Fork

Aug 08
Hard Fork

Hard Fork

Aug 08
This week, the hosts dive into the latest developments in artificial intelligence, starting with OpenAI’s release of GPT-5, its new capabilities, and the surrounding hype. They compare it to competing models and explore its potential impact. The conversation then shifts to Amazon’s Alexa+, powered by generative AI, and the challenges of integrating large language models into existing systems. The hosts also speak with Amazon’s Daniel Rausch to better understand the technical hurdles involved.
The podcast opens with reflections on personal experiences before transitioning into a deep dive on GPT-5, including its features, safety testing, and marketing. While OpenAI touts it as a major step toward AGI, the hosts express skepticism about the real-world improvements and question the model’s reliability. The discussion then turns to Alexa+, where the hosts critique its new generative AI capabilities, noting mixed user experiences and technical shortcomings. Amazon’s Daniel Rausch joins to explain the complexity of integrating LLMs into legacy systems, highlighting infrastructure challenges and future ambitions. The episode wraps with feedback on Alexa+’s interface, advertising, and how it engages users, including children, despite ongoing bugs and limitations.
00:00
00:00
Kevin fainted during a blood draw and was revived with smelling salts.
05:10
05:10
GPT-5 feels like talking to an expert and is a step toward AGI.
10:42
10:42
Sam Altman claims scaling laws still hold and new scaling paradigms are being found.
14:30
14:30
GPT-5 is more reliable, hallucinates less, and offers safer completions.
16:04
16:04
OpenAI is actively working on GPT-5 to maintain its lead in the race for AGI.
18:50
18:50
GPT-5 offers reasoning capabilities for free users and is faster than ChatGPT
24:39
24:39
GPT-5 should not be trusted for critical tasks
28:50
28:50
Speakers compare ChatGPT voice mode to Alexa, finding it more powerful
29:56
29:56
Alexa+ enables extended conversations without requiring the wake word for follow-up questions.
32:28
32:28
Alexa+ can now engage in complex interactions like solving riddles and making up stories.
39:20
39:20
Alexa+ struggles with basic tasks like setting alarms and answering questions accurately.
42:03
42:03
Alexa+ reflects the current limitations in AI voice assistants, mirroring Apple's struggles with Siri.
46:35
46:35
Alexa+ uses a completely new AI and model architecture
50:29
50:29
Amazon announced a revamp of Alexa in 2023 with new AI capabilities
56:21
56:21
Amazon's Nova models handle over 80% of Alexa+ traffic.
1:02:22
1:02:22
Casey Newton hopes Alexa+ can reduce ads and better understand users.
1:02:22
1:02:22
Alexa+ created a chemistry quiz based on recent activity