Openai/
New

OpenAI: GPT-5.4 Nano Pricing & Specs

Released: 2026-03-17
OpenRouter Model IDopenai/gpt-5.4-nano

OpenAI: GPT-5.4 Nano is an API-access large language model from Openai priced at $0.20/1M input tokens and $1.25/1M output tokens with a 400k context window. Context caching reduces input costs to $0.10/1M for cache reads. Supported capabilities include reasoning and tool calling.

Economics (OpenRouter)

Input / 1M
$0.20
Output / 1M
$1.25
Est. Monthly Cost
$18.06
Based on current usage settings
Cache Read$0.10
Cache Write$0.25

Capabilities (models.dev)

ReasoningSupported
Tool CallSupported
Audio InNo
Audio OutNo
Modalitymultimodal
Context Window400k

Benchmarks (AA)

Intelligence Index
General reasoning and knowledge
Coding Index
Code generation & debugging
Math Index
Mathematical reasoning
Performance
tokens/sec

* Median output throughput

Model ID: openai/gpt-5.4-nano • Data Sources: OpenRouter, Artificial Analysis, models.dev