GPT-5.4 Mini

Strong mini model for coding, computer use, and subagents in high-volume workloads.

gpt-5.4-mini
STABLEGet StartedView uptime
400,000 context
Released March 17, 2026
Starting at $0.75/M input tokens
Starting at $4.50/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
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Select Provider

All Providers for GPT-5.4 Mini

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

OpenAI
Context: 400k
Input
$0.75
/M tokens
Cache Read
$0.075
/M tokens
Output
$4.5
/M tokens
+ $0.010 per search
Get Started
Azure
Context: 400k
Input
$0.75
/M tokens
Cache Read
$0.075
/M tokens
Output
$4.5
/M tokens
+ $0.010 per search
Get Started

Frequently asked questions

What is GPT-5.4 Mini?

Strong mini model for coding, computer use, and subagents in high-volume workloads. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does GPT-5.4 Mini cost?

Pricing for GPT-5.4 Mini on LLM Gateway starts at $0.75 per million input tokens and $4.50 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of GPT-5.4 Mini?

GPT-5.4 Mini supports a context window of up to 400,000 tokens on its largest provider deployment.

Which providers serve GPT-5.4 Mini?

GPT-5.4 Mini is served by OpenAI, Azure through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does GPT-5.4 Mini support tool calling and structured outputs?

Yes. GPT-5.4 Mini supports both tool (function) calling and structured JSON outputs through LLM Gateway.

When was GPT-5.4 Mini released?

GPT-5.4 Mini was released on March 17, 2026.