GPT-5.4 mini
GPT-5.4 mini API pricing is $0.75 per million input tokens and $4.50 per million output tokens.
- Provider
- OpenAI
- API model name
- gpt-5.4-mini
- Status
- Previous generation
- Input, $ per 1M tokens
- $0.75
- Cached input, $ per 1M tokens
- $0.075
- Output, $ per 1M tokens
- $4.50
- Sample request (10K in, 2K out), $
- $0.0165
- Context window, tokens
- 400K
- Price checked on
- Official pricing page
- developers.openai.com
These are standard rates on OpenAI’s own API. Cached input is billed at $0.075 per million tokens. A request with 10,000 input tokens and 2,000 output tokens costs about $0.017 before caching or batch discounts. The API model name is gpt-5.4-mini, and the context window is 400K tokens. OpenAI’s current GPT-6 Luna runs the same request for about $0.002.
- Max output, tokens
- 128K
- Input types
- Text, image, file
- Open weights
- No
- Sources
Page URL Checked OpenAI API pricing https://developers.openai.com/api/docs/pricing 2026-10-21 OpenAI GPT-5.4 mini model page (prices) https://developers.openai.com/api/docs/models/gpt-5.4-mini 2026-09-30 OpenRouter model listing (context and output limits) https://openrouter.ai/models 2026-09-29
Questions
How much does the GPT-5.4 mini API cost?
What is the API model name for GPT-5.4 mini?
gpt-5.4-mini in API calls to OpenAI. The context window is 400K tokens, and a response can run to 128,000 output tokens.What does one GPT-5.4 mini request cost?
Sources
Prices are read from each provider’s official pricing page: OpenAI, Anthropic, Google Gemini API, xAI, DeepSeek and Mistral AI. Context and output limits that a provider does not publish come from OpenRouter’s model listing. Each model’s Sources field lists the pages used and the date each was checked. How we check prices · Price change log