gpt-5.1-codex-mini

GPT 5.1 · Per Token

gpt-5.1-codex-miniAvailable⚡Cache 90% off

Tool UseVisionPrompt CacheJSON Mode

Context Window: 272KMax Output Tokens: 128K

Pricing

	Official Price	LemonData Price	Discount
Input	$0.25	$0.05	80%
Output	$2.00	$0.40	80%
Cache Read	$0.025	$0.005	80%

Parameters

Context Window

272K 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$0.25

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-5.1-codex-mini",
    "input": "Hello!"
  }'

FAQ

How much does gpt-5.1-codex-mini cost?

On LemonData, gpt-5.1-codex-mini costs $0.0500 per 1M input tokens and $0.4000 per 1M output tokens, with model-specific platform pricing.

What is gpt-5.1-codex-mini best for?

gpt-5.1-codex-mini excels at Tool Use, Vision, Prompt Cache. Access it through LemonData's unified API with a single API key.

How to use gpt-5.1-codex-mini 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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