GPT-5.4 Mini API Cost Calculator
Estimate your monthly API costs for GPT-5.4 Mini from Openai.
Pricing per 1M tokens
Pricing last verified: Mar 21, 2026
30-Day Price History
Solid line: input price · Dashed line: output price
Estimate Your Costs
What are you building?
Cost Breakdown
Compare with Similar Models
| Model | Input/1M | Output/1M |
|---|---|---|
| o3 Mini Openai | $1.10 | $4.40 |
| o3 Mini High Openai | $1.10 | $4.40 |
| o4 Mini Openai | $1.10 | $4.40 |
| o4 Mini High Openai | $1.10 | $4.40 |
| GPT-5 Image Mini Openai | $2.50 | $2.00 |
Frequently Asked Questions
How much does GPT-5.4 Mini cost per token?
GPT-5.4 Mini is priced at $0.7500 per 1M input tokens and $4.50 per 1M output tokens. Use the calculator above to estimate your monthly costs based on your usage volume.
What is the context window for GPT-5.4 Mini?
GPT-5.4 Mini has a context window of 400K tokens (400,000 tokens). The maximum output length is 128K tokens.
Does GPT-5.4 Mini support image inputs (vision)?
Yes, GPT-5.4 Mini supports vision/image inputs. You can send images as part of your prompts.
Does GPT-5.4 Mini support function calling (tool use)?
Yes, GPT-5.4 Mini supports function calling (also called tool use). You can define custom functions that the model can invoke as part of its responses.
How does GPT-5.4 Mini compare to similar models?
GPT-5.4 Mini costs $0.7500 input and $4.50 output per 1M tokens. GPT-5 Image Mini is less expensive at $2.50 input and $2.00 output per 1M tokens. See the "Compare with Similar Models" table above, or visit the GPT-5 Image Mini page at /tools/cost-calculator/openai/gpt-5-image-mini.