OpenAI

GPT-5.4 nano token cost calculator

Smallest GPT-5.4 class model for latency-sensitive bulk classification and routing.

Published list rates

Input

$0.2

per 1M tokens

Output

$1.25

per 1M tokens

Cached input

$0.02

per 1M tokens

Context window

400,000

tokens

Pricing source: OpenAI API pricing

Token cost calculator

List prices are stored in US dollars. Conversions use the units-per-dollar exchange-rate snapshot last checked 2026-07-31

Estimate from text

Calculate from a token total

Project monthly volume

Uses the input/output mix above and a 30-day month: requests per day × tokens per request × 30.

Estimated cost

Estimated tokens
Characters
Words
Input tokens
Output tokens
Input cost
Output cost
Total cost
Combined price per 1M tokens
Estimated monthly cost
Estimated daily cost

Cost by token volume

Compare input-only, output-only, and 70/30 mixed workloads from one token to 100 billion. Intermediate bands make smaller production steps easier to price.

Tokens Input only Output only 70/30 mix
1 $0.0000002 $0.000001 $0.000000515
10 $0.000002 $0.000013 $0.000005
100 $0.00002 $0.000125 $0.000052
200 $0.00004 $0.00025 $0.000103
300 $0.00006 $0.000375 $0.000155
400 $0.00008 $0.0005 $0.000206
500 $0.0001 $0.000625 $0.000257
1,000 $0.0002 $0.00125 $0.000515
2,000 $0.0004 $0.0025 $0.00103
5,000 $0.001 $0.00625 $0.002575
10,000 $0.002 $0.0125 $0.00515
25,000 $0.005 $0.03125 $0.01288
50,000 $0.01 $0.0625 $0.02575
100,000 $0.02 $0.125 $0.0515
250,000 $0.05 $0.3125 $0.12875
500,000 $0.1 $0.625 $0.2575
1,000,000 $0.2 $1.25 $0.515
5,000,000 $1.00 $6.25 $2.575
10,000,000 $2.00 $12.50 $5.15
50,000,000 $10.00 $62.50 $25.75
100,000,000 $20.00 $125.00 $51.50
500,000,000 $100.00 $625.00 $257.50
1,000,000,000 $200.00 $1,250.00 $515.00
10,000,000,000 $2,000.00 $12,500.00 $5,150.00
100,000,000,000 $20,000.00 $125,000.00 $51,500.00

Tokens available by budget

See how many tokens a fixed budget buys at the published rates. Display-currency values use the current exchange-rate snapshot shown on the page.

Budget Input tokens Output tokens Mixed tokens (70/30)
$0.01 50,000 8,000 19,417
$0.1 500,000 80,000 194,175
$0.5 2.5M 400,000 970,874
$1.00 5M 800,000 1.94M
$5.00 25M 4M 9.71M
$10.00 50M 8M 19.4M
$20.00 100M 16M 38.8M
$25.00 125M 20M 48.5M
$30.00 150M 24M 58.3M
$50.00 250M 40M 97.1M
$100.00 500M 80M 194.2M
$250.00 1.25B 200M 485.4M
$500.00 2.5B 400M 970.9M
$1,000.00 5B 800M 1.94B
$5,000.00 25B 4B 9.71B
$10,000.00 50B 8B 19.4B

Cost profile

  • A workload with 70% input and 30% output costs $0.515 per 1 million total tokens and $51.50 per 100 million.
  • At the same token count, output costs 6.25 times the input rate. Response length therefore deserves its own budget limit.
  • Filling the 400,000-token context window with input alone would cost about $0.08, before any output.
  • Cached input is $0.02 per million, 90% below standard input when the workload meets the provider’s cache rules.

About OpenAI

OpenAI API models for chat, reasoning, coding, and multimodal work. The GPT-5.4 nano page covers this meter in detail; the OpenAI hub gathers the rest of the lineup with a pricing table, list-rate ranges, and calculators side by side.

See all OpenAI models and the pricing table

How the text estimate works

For rough planning, CostUse uses about four characters per token and about 0.75 words per token. Actual tokenization changes with language, model, formatting, and special tokens.

These results use public list prices. Cache eligibility, batch or priority modes, long-context surcharges, discounts, and regional billing can change the final invoice.

Questions about this rate

How much is 1 million mixed tokens on GPT-5.4 nano?

About $0.515 at a 70% input / 30% output mix using list prices verified 2026-07-29.

How much are 100 million mixed tokens?

About $51.50 at the same 70/30 mix — useful for rough monthly volume planning.

What is the GPT-5.4 nano price per million input and output tokens?

Input $0.2 and output $1.25 per 1M tokens (USD list rates). Use the calculator above with your real token mix.

Is the text-to-token estimate exact?

No. The estimator approximates tokens from characters and words. Real bills depend on the provider tokenizer, special tokens, and discounts (cache, batch, priority).

What does cost per token mean, and why is output usually more expensive?

Providers charge for tokens processed. Output tokens (generated replies) often cost several times more than input tokens (your prompt), so completion length can dominate the bill.

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