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OpenAI: GPT-5.4 (batch)

OpenAIModerated
openai/gpt-5.4:batch

About this model

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...

Make a request

OpenAI-compatible: set the base URL and your Promptix API key, keep your existing SDK.

curl https://promptix.tn/api/v1/chat/completions \  -H "Authorization: Bearer $PROMPTIX_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "openai/gpt-5.4:batch",    "messages": [      {"role": "user", "content": "Hello! What can you do?"}    ]  }'

Pricing

In TND per 1M tokens. VAT and the platform fee are added at top-up.

Input tokens

4.839 TND

per 1M tokens

Output tokens

29.032 TND

per 1M tokens

1,000 requests with 1K input and 500 output tokens cost about 19.355 TND.

Specifications

Provider
OpenAI
Context window
1,050,000 tokens
Input modality
Text
Added
Mar 5, 2026
Supported parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choice