# GPT-5.4: what I've logged

> GPT-5.4 comes up in 2 posts of my AI log, from March 2026 to March 2026, and each item below links to the primary source. The sources come from OpenAI, filed under frontier, open weights and agents and coding.

## Items

1. **GPT-5.4 mini** (OpenAI, 16 Mar 2026): A compact GPT-5.4 aimed at coding assistants, sub-agents and computer control, priced above earlier minis. [Primary source](https://developers.openai.com/api/docs/models/gpt-5.4-mini) · [Post](https://heyaliasif.com/ai/2026-03-16-week-in-ai#item-1)
2. **GPT-5.4 nano** (OpenAI, 16 Mar 2026): The smallest GPT-5.4, API-only and aimed at high-volume classification and extraction. [Primary source](https://developers.openai.com/api/docs/models/gpt-5.4-nano) · [Post](https://heyaliasif.com/ai/2026-03-16-week-in-ai#item-2)
3. **GPT-5.4** (OpenAI, 2 Mar 2026): OpenAI's new flagship, folding its coding strengths into the main model with stronger computer-use and tool-handling. [Primary source](https://developers.openai.com/api/docs/models/gpt-5.4) · [Post](https://heyaliasif.com/ai/2026-03-02-week-in-ai#item-1)

## Posts

- 2026-03-16 [GTC week: NemoClaw, GPT-5.4 mini and nano, and Mistral Small 4](https://heyaliasif.com/ai/2026-03-16-week-in-ai)
- 2026-03-02 [GPT-5.4 ships, Karpathy's autoresearch, and Qwen3.5 goes small](https://heyaliasif.com/ai/2026-03-02-week-in-ai)

Canonical: https://heyaliasif.com/ai/topics/gpt-5-4