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OpenAI

GPT 5.4 Mini (Fast)

GPT-5.4 Mini brings the strengths of GPT-5.4 to a faster, more efficient model designed for high-volume workloads. Your use is subject to OpenAI's Terms & Privacy Policies.

ReasoningTool UseVision (Image)File InputImplicit CachingWeb SearchWebsockets
Use with AI GatewayView docs
import { streamText } from 'ai'


const result = streamText({
  model: 'openai/gpt-5.4-mini-fast',
  prompt: 'Why is the sky blue?'
})
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OverviewAPIProvidersLatencyUptimeStatusSimilar

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Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Regional Inference
Release Date
OpenAI
Legal:Terms•Privacy
400K128K
0.4s
$1.50/M+1 more
$9/M+1 more
Read:$0.15/M+1 more
Write:—
$10/K
+ input costs
+4
US
03/17/2026