GPT-5.4 nano API Pricing
Short answer
GPT-5.4 nano costs $0.20 per 1M input tokens and $1.25 per 1M output tokens (cached input $0.02/1M). Context window: 400,000. Last verified 2026-06-17 from learn.microsoft.com. Confidence: Auto.
GPT-5.4 nano is OpenAI's cheapest 5.4 variant, optimized for speed, classification, and extraction over deep reasoning.
Input
$0.20 /1M
Output
$1.25 /1M
Cached input
$0.02 /1M
Input pricing$0.20
Cached input$0.02
Output pricing$1.25
Limits & capabilities
Context window400,000
Max output128K
Modalitytext + image input, text output
ChannelAzure OpenAI
ProviderOpenAI
Best for
ClassificationLow latencyHigh volume
Optimized for throughput; knowledge cutoff Aug 2025.
Last checked Auto
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