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Ethan Mollick Says Gemini 4 Is a Big Jump Over Previous Models
- Who
- Ethan Mollick
- What
- assesses Gemini 4’s capabilities, personality, and usefulness compared with other AI models
What happened
Ethan Mollick says Gemini 4 is a big improvement over earlier Gemini models and the first non-OpenAI or Anthropic model to pass the Fable/Mythos/Astra bar. He finds it more pleasant and agentic, with a distinct personality, while noting that it lags in complex multi-agent work and can be overly certain and lazy. His post also links to three city-builder demos.
The story so far
Ethan Mollick assessed Gemini 4 as a big improvement over earlier Gemini models and said it was the first model outside OpenAI and Anthropic to pass what he called the “Fable/Mythos/Astra bar.” He found it more pleasant and agentic, with a distinct personality, but said it lagged in complex multi-agent work and could be overly certain and lazy. His post also linked to three city-builder demos.
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