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OpenAI

Chatgpt OSS 20B

Updated: July 2026

Efficient open-source GPT for general tasks.

Specifications

Context
131K
Input
$0/M
Output
$0/M

Capabilities

THINKINGWRITING

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Performance Metrics

Intelligence Index

01

14.9

> 34% OF MODELS

Coding Index

02

20.7

> 29% OF MODELS

Agentic Index

03

3.1

> 30% OF MODELS

Average Response Performance

Output Speed
182.5 tok/s
Time To First Token
0.78s
Time To First Answer Token
11.74s
End To End Response Time
14.48s

DATA SOURCE: Artificial Analysis

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