Verified 2026-03-19 · sourced from OpenAI
GPT-5.4 mini Token Calculator, Pricing & 100K/1M Cost
Check OpenAI GPT-5.4 mini pricing, estimate 100K and 1M token cost, and size a real API budget before you send a single request. Standard pricing is $0.75 per million input tokens and $4.50 per million output tokens with a 400K token context window.
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Context window
400,000 tokens
Input price
$0.75 / 1M
Output price
$4.50 / 1M
Cached input
$0.075 / 1M
Usage scenarios
Compare standard and cached pricing (where available) across common workloads.
| Scenario | Tokens in | Tokens out | Total tokens | Standard cost | Cached cost |
|---|---|---|---|---|---|
Quick chat reply Single user question with a short assistant answer | 650 | 220 | 870 | $0.0015 | $0.0010 |
Coding assistant session Multi-turn pair programming exchange (≈6 turns) | 2,600 | 1,400 | 4,000 | $0.0083 | $0.0065 |
Knowledge base response Retrieval-augmented answer referencing multiple passages | 12,000 | 3,000 | 15,000 | $0.0225 | $0.0144 |
Near-max context run Large document processing approaching the 400K token limit | 352,000 | 48,000 | 400,000 | $0.480 | $0.242 |
Daily & monthly budgeting
Translate usage into predictable operating expenses across popular deployment sizes.
| Profile | Requests/day | Tokens/day | Daily cost | Monthly cost | Cached daily | Cached monthly |
|---|---|---|---|---|---|---|
| Team pilot | 25 | 75,000 | $0.150 | $4.50 | $0.116 | $3.49 |
| Product launch | 100 | 500,000 | $0.937 | $28.12 | $0.701 | $21.04 |
| Enterprise scale | 500 | 3,000,000 | $6.00 | $180.00 | $4.65 | $139.50 |
Pricing notes
- OpenAI positions GPT-5.4 mini for coding, agentic workflows, computer use, and subagents.
- 400K context window and 128K max output tokens.
- Cached input pricing is $0.075 per 1M tokens, a 90% discount from standard input.
Frequently asked questions
How much does GPT-5.4 mini cost per 1,000 tokens?
At the published rates of $0.75 per million input tokens and $4.50 per million output tokens, a typical 1,000 token request (≈70% input, 30% output) costs about $0.0019.
Does GPT-5.4 mini offer cached input discounts?
GPT-5.4 mini drops input costs to $0.075 per million cached tokens. Using cached contexts, that same 1,000 token call totals $0.0014, a significant saving for chatbots and RAG systems.
What is the context window for GPT-5.4 mini?
GPT-5.4 mini supports up to 400,000 tokens (400K), allowing large prompts and retrieval-augmented payloads in a single call.
How fresh is the GPT-5.4 mini pricing data?
Pricing is sourced from https://openai.com/api/pricing/ and was last verified on 2026-03-19. The calculator updates automatically when models.json is refreshed.
What is GPT-5.4 mini pricing per 1M tokens?
GPT-5.4 mini is priced at $0.75 per million input tokens, $0.075 per million cached input tokens, and $4.50 per million output tokens. That makes it a lower-cost GPT-5.4 family option for coding agents, computer use, and production copilots.
How does GPT-5.4 mini compare to GPT-5.4?
GPT-5.4 mini is the lower-cost member of the GPT-5.4 family. It keeps a large 400K context window while cutting token rates far below GPT-5.4, so it is a practical choice when you need newer OpenAI model behavior but want tighter production unit economics.