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 . Context window: 400,000. Last verified 2026-06-17 from openrouter.ai. Confidence: Verified.
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
— /1M
Input pricing$0.20
Output pricing$1.25
Limits & capabilities
Context window400,000
Max output128K
Modalitytext + image input, text output
ChannelOpenRouter
ProviderOpenAI
Best for
ClassificationLow latencyHigh volume
Optimized for throughput; knowledge cutoff Aug 2025.
Last checked Verified
More from OpenAI
GPT-5.5
$5.00 /1M in
$30.00 /1M out
Reasoning, Coding, Agentic
GPT-5.5 Pro
$30.00 /1M in
$180.00 /1M out
Reasoning, High-stakes
GPT-5.4
$2.50 /1M in
$15.00 /1M out
Reasoning, Coding, General
GPT-5.4 mini
$0.75 /1M in
$4.50 /1M out
Low latency, Coding, Agents at scale
GPT-5.3-Codex
$1.75 /1M in
$14.00 /1M out
Agentic coding, Software engineering, Tool use
GPT-Image-2
— /1M in
— /1M out
Photoreal, Editing, Text rendering, Flagship