OpenAI: gpt-oss-20b

GPT

Text

Paid

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...

Parameters

20b

Context Window

131,072

tokens

Input Price

$0.03

per 1M tokens

Output Price

$0.14

per 1M tokens

Capabilities

Model capabilities and supported modalities

Performance

Reasoning

Math

Coding

Knowledge

Modalities

Input Modalities

text

Output Modalities

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LLM Price Calculator

Calculate the cost of using this model

Input Tokens (0.00000003/token)$0.000045

Output Tokens (0.00000014/token)$0.000420

Common Scenarios:

Input Cost:$0.000045

Output Cost:$0.000420

Total Cost:$0.000465

Estimated usage: 4,500 tokens

Monthly Cost Estimator

Based on different usage levels

Light Usage

$0.0017

~10 requests

Moderate Usage

$0.0170

~100 requests

Heavy Usage

$0.1700

~1000 requests

Enterprise

$1.7000

~10,000 requests

Note: Estimates based on current token count settings per request.

Last Updated: 2026/04/11