OpenAI: gpt-oss-120b

GPT

Text

Paid

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...

Parameters

120b

Context Window

131,072

tokens

Input Price

$0.03

per 1M tokens

Output Price

$0.17

per 1M tokens

Capabilities

Model capabilities and supported modalities

Performance

Reasoning

Excellent reasoning capabilities with strong logical analysis

Math

Coding

Knowledge

Modalities

Input Modalities

text

Output Modalities

text

LLM Price Calculator

Calculate the cost of using this model

Input Tokens (0.00000003/token)$0.000045

Output Tokens (0.00000017/token)$0.000510

Common Scenarios:

Input Cost:$0.000045

Output Cost:$0.000510

Total Cost:$0.000555

Estimated usage: 4,500 tokens

Monthly Cost Estimator

Based on different usage levels

Light Usage

$0.0020

~10 requests

Moderate Usage

$0.0200

~100 requests

Heavy Usage

$0.2000

~1000 requests

Enterprise

$2.0000

~10,000 requests

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

Last Updated: 2026/08/15