GPT-5.4 Pro (Azure) API
About
Build advanced reasoning agents with GPT-5.4 Pro (Azure), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $30.00/1M input and $180.00/1M output tokens, native tool calling support. Access GPT-5.4 Pro (Azure) via the LLM Gateway API with up to 128K output tokens.
Capabilities
Input Modalities
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Output Modalities
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Reasoning
Yes
Structured Output
Limits
Context Window
1.1M
Tokens
Input Limit
922K
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$30.00
Output
$180.00
Frequently Asked Questions
GPT-5.4 Pro (Azure) by LLM Gateway costs $30.00 per 1M input tokens and $180.00 per 1M output tokens.
Model Details
ID
azure/gpt-5.4-pro
Provider
LLM GatewayFamily
gpt-pro
Release Date
Mar 5, 2026
Knowledge Cutoff
Aug 31, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
LLMGATEWAY_API_KEY
API Base URL
https://api.llmgateway.io/v1