ChatGPT voice mode is a weaker model
Simon Willison 行业观点 入门 Impact: 7/10
Simon Willison reveals a counterintuitive fact: ChatGPT's voice mode runs on an older, weaker GPT-4o-era model, creating a massive gap between user expectations and reality.
Key Points
- ChatGPT voice mode has knowledge cutoff April 2024, essentially a GPT-4o-era model, far weaker than the latest
- Users intuitively think 'the AI you talk to should be the smartest', but voice mode is actually the weakest link
- Andrej Karpathy: free Advanced Voice Mode fumbles simple questions while paid Codex can spend 1 hour restructuring entire codebases
- Code domains have two advantages: verifiable reward functions (unit test pass/fail) making RL training easier, and high B2B value attracting more team focus
- AI capability differences come not just from the model itself, but from which interface and use case you access it through
Analysis
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