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GPT 5.4 Nano

GPT 5.4 Nano is the smallest and most affordable model in the GPT-5.4 family, performing close to GPT-5.4 Mini in evaluations at a lower price point, built for high-volume sub-agent workflows.

ReasoningTool UseImplicit CachingWeb SearchVision (Image)File Input
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'openai/gpt-5.4-nano',
  prompt: 'Why is the sky blue?'
})
OverviewPlaygroundAboutProvidersThroughputLatencyUptimeStatusSimilarFAQ

What To Consider When Choosing a Provider

  • Configuration: GPT 5.4 Nano performs close to GPT-5.4 Mini in evaluations at a lower price point. Choose it when cost scales with the number of parallel calls.
  • Configuration: Like GPT-5.4 Mini, it supports verbosity and reasoning level parameters, giving you control over response detail and reasoning depth per request.
  • Zero Data Retention: AI Gateway supports Zero Data Retention for this model via direct gateway requests (BYOK is not included). To configure this, check the documentation.
  • Authentication: AI Gateway authenticates requests using an API key or OIDC token. You do not need to manage provider credentials directly.

When to Use GPT 5.4 Nano

Best For

  • High-volume sub-agent workflows: Parallel calls where cost scales with the number of agents
  • Classification and routing: Sentiment analysis, intent detection, and request triage at high volume
  • Lightweight code tasks: Simple code checks, unused import detection, and quick validations
  • Cost-sensitive batch processing: Large-scale inference where per-call cost is the primary constraint
  • Pipeline preprocessing: Fast filtering and extraction steps that feed into larger model calls

Consider Alternatives When

  • Higher capability needed: GPT-5.4 mini for agentic tasks that require more reliable multi-step completion
  • Maximum quality: GPT-5.4 or GPT-5.4 pro for complex reasoning and analysis
  • Specialized coding: GPT-5.3 codex for autonomous software engineering
  • Deep deliberation: O3 for chain-of-thought reasoning on hard problems

Conclusion

GPT 5.4 Nano brings GPT-5.4 generation quality to the most affordable tier. For high-volume sub-agent workflows, classification, and batch processing through AI Gateway, it provides near-mini performance at a fraction of the cost.

Frequently Asked Questions

  • How does GPT 5.4 Nano compare to GPT-5.4 Mini?

    It performs close to GPT-5.4 Mini in evaluations at a lower price point. Choose it when cost scales with the number of parallel calls.

  • What context window does GPT 5.4 Nano support?

    400K tokens, which is substantial for a model at this price tier.

  • Does GPT 5.4 Nano support the verbosity parameter?

    Yes. It supports verbosity and reasoning level parameters, giving you control over response detail and reasoning depth per request.

  • What tasks is GPT 5.4 Nano designed for?

    High-volume sub-agent workflows, classification, routing, lightweight code checks, and batch processing where per-call cost is the dominant concern.

  • Can GPT 5.4 Nano handle complex reasoning?

    For complex multi-step reasoning, GPT-5.4 Mini or the full GPT-5.4 will produce better results. GPT 5.4 Nano is optimized for simpler tasks at high volume.

  • How does AI Gateway handle authentication for GPT 5.4 Nano?

    AI Gateway accepts a single API key or OIDC token for all requests. You don't embed OpenAI credentials in your application; AI Gateway routes and authenticates on your behalf.

  • What are typical latency characteristics?

    This page shows live throughput and time-to-first-token metrics measured across real AI Gateway traffic.