This model was retired on 2027-09-21. The pricing below is the last-known rate, kept for migration reference.

GPT 5.4 Mini (2026-03-17)Deprecated

OpenAI
VisionTool useReasoningPrompt cachingStructured outputWeb search
Context
272K
Max output
128K
Serving providers
2
Cheapest input
$0.75 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Pricing by serving provider

last-known · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
Azure$0.75$4.501
OpenAI$0.75$4.501

Price history

input + output $/1M since we started tracking
Input Output
$0.000$2.00$4.00$6.00Apr 20Jun 22$4.50$0.750

Cost calculator

estimate your monthly spend on this model
$510
estimated / month

Model IDs

copy the exact identifier for your platform
azure/gpt-5.4-mini-2026-03-17gpt-5.4-mini-2026-03-17

Frequently asked questions

GPT 5.4 Mini (2026-03-17) pricing, context and availability

Is GPT 5.4 Mini (2026-03-17) still available?

GPT 5.4 Mini (2026-03-17) was retired on 2027-09-21. The pricing on this page is the last-known rate, kept for migration reference.

How much did GPT 5.4 Mini (2026-03-17) cost?

GPT 5.4 Mini (2026-03-17)'s last-known pricing, before it was retired on 2027-09-21, was $0.75 per 1M input tokens and $4.50 per 1M output tokens.

What was the context window of GPT 5.4 Mini (2026-03-17)?

GPT 5.4 Mini (2026-03-17) had a 272K token context window and could return up to 128K output tokens.

What could GPT 5.4 Mini (2026-03-17) do?

GPT 5.4 Mini (2026-03-17) supported image input (vision), tool use, reasoning, prompt caching, structured output and web search.

Other OpenAI models

compare pricing across the OpenAI lineup
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

Every weekday

AI moves fast. Here's your debrief.

News, analysis, tools, and more.

For people who build with AI