Model Comparator

Compare up to four models using the same criteria.

gpt-oss-20b (High)
OpenAI
GPT-4o (March 2025, chatgpt-4o-latest)
OpenAI

Differences only

✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.

Model Comparator
Metrics	gpt-oss-20b (High) OpenAI	GPT-4o (March 2025, chatgpt-4o-latest) OpenAI
Intelligence	9	9
Coding	20.7	—
Math	Best: 89.3	25.7
Agentic	1.2	—
Speed	226 t/s	—
TTFT	0.73 s	—
Input · $ / 1M tokens	$0.070	—
Output · $ / 1M tokens	$0.18	—
Context window	Best: 131K	128K
Reasoning	Yes	No
Open weights	Yes	No
Cost / task	$0.0125	—

Intelligence

gpt-oss-20b (High): 9
GPT-4o (March 2025, chatgpt-4o-latest): 9

Coding

gpt-oss-20b (High): 20.7
GPT-4o (March 2025, chatgpt-4o-latest): —

Math

gpt-oss-20b (High): Best: 89.3
GPT-4o (March 2025, chatgpt-4o-latest): 25.7

Agentic

gpt-oss-20b (High): 1.2
GPT-4o (March 2025, chatgpt-4o-latest): —

Speed

gpt-oss-20b (High): 226 t/s
GPT-4o (March 2025, chatgpt-4o-latest): —

TTFT

gpt-oss-20b (High): 0.73 s
GPT-4o (March 2025, chatgpt-4o-latest): —

Input · $ / 1M tokens

gpt-oss-20b (High): $0.070
GPT-4o (March 2025, chatgpt-4o-latest): —

Output · $ / 1M tokens

gpt-oss-20b (High): $0.18
GPT-4o (March 2025, chatgpt-4o-latest): —

Context window

gpt-oss-20b (High): Best: 131K
GPT-4o (March 2025, chatgpt-4o-latest): 128K

Reasoning

gpt-oss-20b (High): Yes
GPT-4o (March 2025, chatgpt-4o-latest): No

Open weights

gpt-oss-20b (High): Yes
GPT-4o (March 2025, chatgpt-4o-latest): No

Cost / task

gpt-oss-20b (High): $0.0125
GPT-4o (March 2025, chatgpt-4o-latest): —

Each reasoning level remains a separate configuration.

Score and cost

Each line joins the reasoning levels of a compared model; the large point marks the configuration in the table. The top-right corner holds the best score for the lowest cost. Select another point to compare that level.

gpt-oss-20b (High)9 · $0.0125

Not plotted for lack of data on these axes: GPT-4o (March 2025, chatgpt-4o-latest).