GPT-5.4 Nano (Azure)

The supplied evidence does not establish enough technical detail to describe this model’s architecture, training, or advancement over related Nano offerings. A third-party Azure pricing page lists a differently named “GPT-5 Nano” price signal, but does not corroborate the specific GPT-5.4 Nano identity or any benchmark results.

Because the available material contains conflicting names and price signals, the model’s intended use and practical fit cannot be stated confidently. Official model documentation would be needed before treating it as a dependable choice for applications that depend on particular capabilities, context behavior, or cost assumptions.

LLM Gatewayazure/gpt-5.4-nanogpt-nano

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Quick Info

Provider: LLM Gateway
Model key: azure/gpt-5.4-nano
Release date: Mar 17, 2026
Last updated: Mar 17, 2026
Knowledge cutoff: 2025-08-31
Input modalities
Output modalities
Capabilities

Cost

Input token cost: $0.20
Output token cost: $1.25

Limits

Input tokens: 272,000 tokens
Output tokens: 128,000 tokens
Context window: 400,000 tokens

Transparent token rates

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Rates are shown per one million tokens. Combined means one million input plus one million output tokens.

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Latest news about GPT-5.4 Nano (Azure)

LLM Gateway

Coverage

The Foundry Map page (foundrymap.fyi) explicitly names "gpt-5.4-nano" and documents its Azure deployment footprint: 27 regions total, with two deployment tiers — Data Zone Standard across 7 regions (eastus, eastus2, northcentralus, northeurope, southcentralus, westus, westus3) and Global Standard across the full 27-reg Because the page is a third-party aggregator (not an official Microsoft or OpenAI announcement), it provides useful corroboration of Azure-side availability and lifecycle data for the model itself rather than authoritative pricing or first-party news; developers evaluating regional placement or the September 2027 retir