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GPT-5.4 Mini

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.

Try in ewpireopenai/gpt-5.4-mini

Opens in the ewpire workspace. Creating an account is free; runs are paid from your credits.

GPT-5.4 Mini in plain words

GPT-5.4 Mini is a text model from OpenAI. It takes files, images, and text as input and returns text. Its context window is 400,000 tokens. It costs 0.930883 credits per 1M input tokens and 5.585295 credits per 1M output tokens.

It is good at reasoning through multi-step problems, reading attached files, and calling tools. It reads images as well as text. A context window of 400,000 tokens holds about 1,600,000 characters of English text, at 4 characters a token.

For example, a question of 2,000 tokens (about 8,000 characters) with an answer of 1,000 tokens (about 4,000 characters) costs 0.007448 credits. The exact charge follows the usage the model reports for your request.

Details

Made by: OpenAI
Good at: ReasoningVisionFilesTool use
Reads: Files, Images, Text
Produces: Text
Context window: 400,000 tokens

Price

Input, per 1M tokens: 0.930883 credits
Output, per 1M tokens: 5.585295 credits

Charged per request from your credit balance. No subscription. See pricing

In the API – coming soon

API keys are not open yet. The docs show how to call this model with the OpenAI SDK or plain HTTP once they are. Read the docs

curl https://ewpire.com/api/v1/chat/completions \
  -H "Authorization: Bearer $EWPIRE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-5.4-mini","messages":[{"role":"user","content":"Hello!"}]}'

The docs show how to list the models the API serves, with their capabilities and prices, once API keys are open. Models in the docs

GPT-5.4 Mini in plain words

Details

Price

In the API – coming soon

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