openai
OpenAI: gpt-oss-20b
openai/gpt-oss-20b
For $1, you can send approximately:
~840messages
How do we get this number?
One message = ~7,000 input tokens + ~7,000 output tokens
Input cost per message7,000 x $0.03/M = $0.000210
Output cost per message7,000 x $0.14/M = $0.000980
Total cost per message$0.001190
Messages for $1840.34
Context window
131k
tokens
Max response
131k
tokens
Input price
$0.03
per million tokens
Output price
$0.14
per million tokens
Modalities
Input:textOutput:text
Description
gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...