gpt-5.4

GPT 5.4 · Per Token

gpt-5.4Available⚡Cache 90% off

Tool UseVisionPrompt CacheJSON Mode

Context Window: 1.05MMax Output Tokens: 128K

Pricing

	Official Price	LemonData Price	Discount
Input	$2.50	$0.50	80%
Output	$15.00	$3.00	80%
Cache Read	$0.25	$0.05	80%

Parameters

Context Window

1.05M tokens

Max Output Tokens

128K tokens

Best For

Vision

Image understanding, document analysis, and visual reasoning

Cost Calculator

Monthly Input Tokens1M

Monthly Output Tokens0.5M

Estimated Monthly Cost$2.00

API Code Example

POST/v1/responses

API Format:

curl https://api.lemondata.cc/v1/responses \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-xxx" \
  -d '{
    "model": "gpt-5.4",
    "input": "Hello!"
  }'

FAQ

How much does gpt-5.4 cost?

On LemonData, gpt-5.4 costs $0.5000 per 1M input tokens and $3.0000 per 1M output tokens, with model-specific platform pricing.

What is gpt-5.4 best for?

gpt-5.4 excels at Tool Use, Vision, Prompt Cache. Access it through LemonData's unified API with a single API key.

How to use gpt-5.4 API?

Get your API key from LemonData, then call https://api.lemondata.cc/v1/responses using any compatible SDK. See the code examples above for detailed integration.

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