OpenAI: GPT-5.4 Mini Pricing & Specs
Released: 2026-03-17
OpenRouter Model ID
openai/gpt-5.4-miniOpenAI: GPT-5.4 Mini is an API-access large language model from Openai priced at $0.75/1M input tokens and $4.50/1M output tokens with a 400k context window. Context caching reduces input costs to $0.38/1M for cache reads. Supported capabilities include reasoning and tool calling.
Economics (OpenRouter)
Input / 1M
$0.75
Output / 1M
$4.50
Est. Monthly Cost
$65.47
Based on current usage settings
Cache Read$0.38
Cache Write$0.94
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-mini • Data Sources: OpenRouter, Artificial Analysis, models.dev