OpenAI has released two new smaller and more affordable models, GPT-5.4 mini and GPT-5.4 nano, which join the recently launched GPT-5.4. The new nano model outperforms the previous GPT-5 mini in benchmarks and offers significantly cheaper pricing, with the author demonstrating it can describe a 76,000-photo collection for approximately $52.
Background
The AI industry is in a constant state of rapid iteration, with major labs like OpenAI and Google frequently releasing new model variants to compete on performance, speed, and cost-effectiveness for different use cases.
- Source
- Simon Willison
- Published
- Mar 18, 2026 at 03:39 AM
- Score
- 7.0 / 10