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OpenAI

Chatgpt OSS 120B

Updated: September 2026

Large open-source GPT for advanced text generation.

Specifications

Context
131K
Input Modalities
Text, File
Output Modalities
Text
Input
$0.039/M
Output
$0.19/M

Capabilities

THINKINGWRITING

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Performance Metrics

Intelligence Index

01

12.3

> 31% OF MODELS

Coding Index

02

30.4

> 31% OF MODELS

Agentic Index

03

6.2

> 30% OF MODELS

Average Response Performance

Output Speed
187.1 tok/s
Time To First Token
0.82s
Time To First Answer Token
11.51s
End To End Response Time
14.18s

DATA SOURCE: Artificial Analysis

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