gpt-5.4

GPT-5 · Per Token

gpt-5.4Available⚡Cache 90% off

ChatTool UseVisionPrompt CacheJSON Mode

Context Window: 1.1MMax Output Tokens: 128K

Pricing

	Official Price	LemonData Price
Input	$2.50	$1.75
Output	$15.00	$10.50
Cache Read	$0.25	$0.25

Parameters

Context Window

1.1M tokens

Max Output Tokens

128K tokens

Best For

Chat

Conversational AI, customer support, and Q&A

Vision

Image understanding, document analysis, and visual reasoning

Cost Calculator

Monthly Input Tokens1M

Monthly Output Tokens0.5M

Estimated Monthly Cost$7.00

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 $1.7500 per 1M input tokens and $10.5000 per 1M output tokens, which is up to 30% off the official pricing.

What is gpt-5.4 best for?

gpt-5.4 excels at Chat, Tool Use, Vision. 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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