Model Comparator

Compare up to four models using the same criteria.

GPT-6 Sol (Xhigh)
OpenAI
Step 5 Preview
StepFun

Differences only

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

Model Comparator
Metrics	GPT-6 Sol (Xhigh) OpenAI	Step 5 Preview StepFun
Intelligence	Best: 44.2	43.7
Cyber Index	—	47.7%
Speed	83.6 t/s	Best: 89.3 t/s
TTFT	64.9 s	Best: 2.7 s
Input · $ / 1M tokens	$2×2 relative to the lowest price among the compared models	Best: $1
Output · $ / 1M tokens	$10×3.7 relative to the lowest price among the compared models	Best: $2.70
Context window	Best: 1.1M	1M
Reasoning	Yes	Yes
Open weights	No	No
Cost / task	Best: $0.521	$1.03×2 relative to the lowest price among the compared models

Intelligence

GPT-6 Sol (Xhigh): Best: 44.2
Step 5 Preview: 43.7

Cyber Index

GPT-6 Sol (Xhigh): —
Step 5 Preview: 47.7%

Speed

GPT-6 Sol (Xhigh): 83.6 t/s
Step 5 Preview: Best: 89.3 t/s

TTFT

GPT-6 Sol (Xhigh): 64.9 s
Step 5 Preview: Best: 2.7 s

Input · $ / 1M tokens

GPT-6 Sol (Xhigh): $2×2 relative to the lowest price among the compared models
Step 5 Preview: Best: $1

Output · $ / 1M tokens

GPT-6 Sol (Xhigh): $10×3.7 relative to the lowest price among the compared models
Step 5 Preview: Best: $2.70

Context window

GPT-6 Sol (Xhigh): Best: 1.1M
Step 5 Preview: 1M

Reasoning

GPT-6 Sol (Xhigh): Yes
Step 5 Preview: Yes

Open weights

GPT-6 Sol (Xhigh): No
Step 5 Preview: No

Cost / task

GPT-6 Sol (Xhigh): Best: $0.521
Step 5 Preview: $1.03×2 relative to the lowest price among the compared models

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-6 Sol (Xhigh)44.2 · $0.521
Step 5 Preview43.7 · $1.03