OpenAI: GPT-5.4 is an API-access large language model from Openai priced at $2.50/1M input tokens and $15.00/1M output tokens with a 1M context window. Context caching reduces input costs to $1.25/1M for cache reads. Supported capabilities include reasoning and tool calling.
Economics (OpenRouter)
Input / 1M
$2.50
Output / 1M
$15.00
Est. Monthly Cost
$218.25
Based on current usage settings
Cache Read$1.25
Cache Write$3.13
Capabilities (models.dev)
ReasoningSupported
Tool CallSupported
Audio InNo
Audio OutNo
Modalitymultimodal
Context Window1M
Benchmarks (AA)
Intelligence Index
General reasoning and knowledge
—
Coding Index
Code generation & debugging
—
Math Index
Mathematical reasoning
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Performance
—tokens/sec
* Median output throughput
Model ID: openai/gpt-5.4 • Data Sources: OpenRouter, Artificial Analysis, models.dev