GPT‑5.4 mini and nano

Fast and efficient models optimized for coding and subagents

Website openai.com

What it is

The most powerful platform for building AI products. Build and scale AI experiences powered by industry-leading models and tools.

Intent

I need it when

Deploy AI features on resource-constrained devices or edge environments

The nano variant is designed for minimal resource consumption, allowing AI capabilities to run on mobile devices, IoT hardware, and edge servers where full-scale models are impractical

Build AI applications with efficient, lightweight language models

GPT-5.4 mini and nano models provide optimized versions of GPT-5.4 that reduce computational overhead while maintaining capability, enabling developers to deploy AI features with lower latency and cost

Rapidly prototype and iterate on AI-powered features

Smaller models enable faster inference and lower latency responses, accelerating development cycles and user testing for AI applications

Reduce API costs while maintaining conversational AI quality

Mini and nano models offer lower per-token pricing compared to larger variants, helping teams scale AI features cost-effectively without sacrificing essential language understanding

Drop

Not a fit when

User requires offline-only operation without internet connectivity
User needs guaranteed data residency in specific geographic regions with no cloud processing
User requires deterministic outputs with zero randomness for safety-critical applications
User has extremely limited computational resources and cannot access cloud APIs
User operates in restricted environments where third-party API access is prohibited

Commercials

Pricing

Pricing not specified