GPT-5.4 Nano API Cost Calculator
Estimate your monthly API costs for GPT-5.4 Nano from Openai.
Pricing per 1M tokens
Pricing last verified: Mar 21, 2026
30-Day Price History
Solid line: input price · Dashed line: output price
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Cost Breakdown
Compare with Similar Models
| Model | Input/1M | Output/1M |
|---|---|---|
| GPT-3.5 Turbo Openai | $0.5000 | $1.50 |
| GPT-4.1 Mini Openai | $0.4000 | $1.60 |
| GPT-4o-mini Openai | $0.1500 | $0.6000 |
| GPT-4o-mini (2024-07-18) Openai | $0.1500 | $0.6000 |
| GPT-4o-mini Search Preview Openai | $0.1500 | $0.6000 |
Frequently Asked Questions
How much does GPT-5.4 Nano cost per token?
GPT-5.4 Nano is priced at $0.2000 per 1M input tokens and $1.25 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 Nano?
GPT-5.4 Nano has a context window of 400K tokens (400,000 tokens). The maximum output length is 128K tokens.
Does GPT-5.4 Nano support image inputs (vision)?
Yes, GPT-5.4 Nano supports vision/image inputs. You can send images as part of your prompts.
Does GPT-5.4 Nano support function calling (tool use)?
Yes, GPT-5.4 Nano 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 Nano compare to similar models?
GPT-5.4 Nano costs $0.2000 input and $1.25 output per 1M tokens. GPT-4o-mini Search Preview is less expensive at $0.1500 input and $0.6000 output per 1M tokens. See the "Compare with Similar Models" table above, or visit the GPT-4o-mini Search Preview page at /tools/cost-calculator/openai/gpt-4o-mini-search-preview.