# Introducing GPT-5.4 mini and nano

DevFeed: [Introducing GPT-5.4 mini and nano](<https://devfeed.tech/articles/introducing-gpt-5-4-mini-and-nano-6493.md>)

Original publisher: [Read original article](<https://openai.com/index/introducing-gpt-5-4-mini-and-nano>)

Published: 2026-03-17T10:00:00Z

Content type: release

Language: en

Sources: [OpenAI News](<https://devfeed.tech/sources/openai-news.md>)

Topics: [AI-assisted coding](<https://devfeed.tech/topics/ai-assisted-coding.md>), [AI Bots](<https://devfeed.tech/topics/ai-bots.md>), [debugging](<https://devfeed.tech/topics/debugging.md>)

Tags: [agent](<https://devfeed.tech/tags/agent.md>), [benchmarks](<https://devfeed.tech/tags/benchmarks.md>), [classification](<https://devfeed.tech/tags/classification.md>), [codex](<https://devfeed.tech/tags/codex.md>), [coding](<https://devfeed.tech/tags/coding.md>), [company](<https://devfeed.tech/tags/company.md>), [cost](<https://devfeed.tech/tags/cost.md>), [debugging](<https://devfeed.tech/tags/debugging.md>), [gpt](<https://devfeed.tech/tags/gpt.md>), [latency](<https://devfeed.tech/tags/latency.md>), [multimodal](<https://devfeed.tech/tags/multimodal.md>), [reasoning](<https://devfeed.tech/tags/reasoning.md>), [tool](<https://devfeed.tech/tags/tool.md>)

## AI overview

OpenAI introduces GPT-5.4 mini and nano, smaller models positioned for fast, high-volume coding, reasoning, multimodal, and tool-use workloads. The article emphasizes lower latency, cost efficiency, coding workflows, and use as supporting subagents.

## Source excerpt

GPT-5.4 mini and nano are smaller, faster versions of GPT-5.4 optimized for coding, tool use, multimodal reasoning, and high-volume API and sub-agent workloads.