OpenAI: gpt-oss-20b is an API-access large language model from Openai priced at $0.03/1M input tokens and $0.11/1M output tokens with a 131k context window. Context caching reduces input costs to $0.01/1M for cache reads.
Economics (OpenRouter)
Input / 1M
$0.03
Output / 1M
$0.11
Est. Monthly Cost
$1.78
Based on current usage settings
Cache Read$0.01
Cache Write$0.04
Capabilities (models.dev)
ReasoningNo
Tool CallNo
Audio InNo
Audio OutNo
Modalitytext
Context Window131k
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-oss-20b • Data Sources: OpenRouter, Artificial Analysis, models.dev