Model Comparator

Compare up to four models using the same criteria.

DeepSeek V4 Pro 0813 (Non-reasoning)
DeepSeek
GPT-5.1 Codex mini (High)
OpenAI

Differences only

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

Model Comparator
Metrics	DeepSeek V4 Pro 0813 (Non-reasoning) DeepSeek	GPT-5.1 Codex mini (High) OpenAI
Intelligence	20.4	20.4
Math	—	91.7
Speed	94.3 t/s	Best: 175 t/s
TTFT	Best: 1.68 s	18.8 s
Input · $ / 1M tokens	$1.32×5.3 relative to the lowest price among the compared models	Best: $0.25
Output · $ / 1M tokens	$3.96×2 relative to the lowest price among the compared models	Best: $2
Context window	Best: 1M	400K
Reasoning	No	Yes
Open weights	Yes	No
Cost / task	$0.356	—

Intelligence

DeepSeek V4 Pro 0813 (Non-reasoning): 20.4
GPT-5.1 Codex mini (High): 20.4

Math

DeepSeek V4 Pro 0813 (Non-reasoning): —
GPT-5.1 Codex mini (High): 91.7

Speed

DeepSeek V4 Pro 0813 (Non-reasoning): 94.3 t/s
GPT-5.1 Codex mini (High): Best: 175 t/s

TTFT

DeepSeek V4 Pro 0813 (Non-reasoning): Best: 1.68 s
GPT-5.1 Codex mini (High): 18.8 s

Input · $ / 1M tokens

DeepSeek V4 Pro 0813 (Non-reasoning): $1.32×5.3 relative to the lowest price among the compared models
GPT-5.1 Codex mini (High): Best: $0.25

Output · $ / 1M tokens

DeepSeek V4 Pro 0813 (Non-reasoning): $3.96×2 relative to the lowest price among the compared models
GPT-5.1 Codex mini (High): Best: $2

Context window

DeepSeek V4 Pro 0813 (Non-reasoning): Best: 1M
GPT-5.1 Codex mini (High): 400K

Reasoning

DeepSeek V4 Pro 0813 (Non-reasoning): No
GPT-5.1 Codex mini (High): Yes

Open weights

DeepSeek V4 Pro 0813 (Non-reasoning): Yes
GPT-5.1 Codex mini (High): No

Cost / task

DeepSeek V4 Pro 0813 (Non-reasoning): $0.356
GPT-5.1 Codex mini (High): —

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.

DeepSeek V4 Pro 0813 (Non-reasoning)20.4 · $1.98
GPT-5.1 Codex mini (High)20.4 · $0.688