GPT-5.4 API Pricing & Cost Calculator

Q: Does GPT-5.4 support prompt caching?

Yes, OpenAI offers a 90% discount on cached input tokens, reducing the input price to $0.25 per million for matches.

GPT-5.4 is a highly capable, general-purpose frontier model from OpenAI. It balances cost and high performance.

Input tokens

100,000

50% cached

Output tokens

5,000

per request

Volume

100 / monthly

Standard API

Cost Comparison

Based on 100,000 input tokens (50% cached), 5,000 output tokens, and 100 requests.

Gemini 3.5 Flash

$5.25

Claude Haiku 4.5

$8.00

Gemini 3.1 Pro (<=200k)

$17.00

GPT-5.4

$21.25

Claude Sonnet 4.6

$24.00

Claude Opus 4.7

$40.00

GPT-5.5

$42.50

Open full calculator to adjust tokens, caching, or add other models

How this is calculated

GPT-5.4 is priced at $2.50 per million input tokens and $15.00 per million output tokens, supporting a 90% caching discount ($0.25 per million) and a 50% batch discount ($1.25 per million inputs, $7.50 per million outputs).

Verdict

GPT-5.4 is the standard workhorse for general-purpose applications. Prompt caching and batch discounts allow you to run high-intelligence workloads on a reasonable budget.