BiWu.AiGPT-5.4 Mini API Pricing
GPT-5.4 Mini is an OpenAI model. On the official OpenAI API, it costs $0.75 per 1M input tokens and $4.50 per 1M output tokens, with cached input at $0.075. BiWu.Ai lists 4 price options for this model below.
Prices checked Oct 10, 2026
Input / 1M tokens
$0.75
Output / 1M tokens
$4.50
Cached input / 1M
$0.075
Providers and plans
4
Official GPT-5.4 Mini API price
Source: OpenAI API. Prices per 1 million tokens.
| Token type | Price per 1M tokens |
|---|---|
| Input | $0.75 |
| Output | $4.50 |
| Cached input (cache read) | $0.075 |
GPT-5.4 Mini prices by provider
Per-token prices listed for this model by the official API and other providers, per 1M tokens.
| Provider | Type | Input | Output | Cached input |
|---|---|---|---|---|
| OpenAI API | Official API | $0.75 | $4.50 | $0.075 |
Subscription and coding plans that include GPT-5.4 Mini
Monthly plans with a usage allowance instead of per-token billing. Quotas and limits differ, so check each plan's official page.
| Provider | Plan | Type | Monthly price | Prices by country |
|---|---|---|---|---|
| ChatGPT subscription | ChatGPT Plus | Subscription plan | $20/month | See prices |
| ChatGPT subscription | ChatGPT Pro 20x | Subscription plan | $200/month | See prices |
| ChatGPT subscription | ChatGPT Pro 5x | Subscription plan | $100/month | See prices |
GPT-5.4 Mini API pricing FAQ
How much does GPT-5.4 Mini cost per 1M tokens?
On the official OpenAI API, GPT-5.4 Mini costs $0.75 per 1M input tokens and $4.50 per 1M output tokens. Cached input costs $0.075 per 1M tokens. Prices checked Oct 10, 2026.
How much does prompt caching save on GPT-5.4 Mini?
Cached input is billed at $0.075 per 1M tokens, 90% less than the standard input price of $0.75.
What does a typical GPT-5.4 Mini API request cost?
A request with 10,000 input tokens and 1,000 output tokens costs about $0.012 at the official rates ($0.75 × 0.01 + $4.50 × 0.001).
Where else can I use GPT-5.4 Mini?
Besides the official API, BiWu.Ai lists 1 other provider for GPT-5.4 Mini: ChatGPT subscription. Prices, quotas and terms differ by provider, so check each provider's page before you pay.
Other OpenAI models
BiWu.Ai lists public API prices for reference and does not sell API access. Free and low-cost providers may have rate limits, queues, regional restrictions or changing terms. Check the provider's pricing page before you build on it.