Model Comparator

Compare up to four models using the same criteria.

GPT-6 Luna (Xhigh)
OpenAI
Kimi K2.5 (Reasoning)
Moonshot AI

Differences only

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

Model Comparator
Metrics	GPT-6 Luna (Xhigh) OpenAI	Kimi K2.5 (Reasoning) Moonshot AI
Intelligence	23.5	23.5
Coding	—	46.8
Speed	Best: 119 t/s	49.8 t/s
TTFT	33.7 s	Best: 1.96 s
Input · $ / 1M tokens	Best: $0.10	$0.60×6 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $0.50	$3×6 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	Yes
Open weights	No	Yes
Cost / task	$0.104	—

Intelligence

GPT-6 Luna (Xhigh): 23.5
Kimi K2.5 (Reasoning): 23.5

Coding

GPT-6 Luna (Xhigh): —
Kimi K2.5 (Reasoning): 46.8

Speed

GPT-6 Luna (Xhigh): Best: 119 t/s
Kimi K2.5 (Reasoning): 49.8 t/s

TTFT

GPT-6 Luna (Xhigh): 33.7 s
Kimi K2.5 (Reasoning): Best: 1.96 s

Input · $ / 1M tokens

GPT-6 Luna (Xhigh): Best: $0.10
Kimi K2.5 (Reasoning): $0.60×6 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-6 Luna (Xhigh): Best: $0.50
Kimi K2.5 (Reasoning): $3×6 relative to the lowest price among the compared models

Context window

GPT-6 Luna (Xhigh): 1M
Kimi K2.5 (Reasoning): 1M

Reasoning

GPT-6 Luna (Xhigh): Yes
Kimi K2.5 (Reasoning): Yes

Open weights

GPT-6 Luna (Xhigh): No
Kimi K2.5 (Reasoning): Yes

Cost / task

GPT-6 Luna (Xhigh): $0.104
Kimi K2.5 (Reasoning): —

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 Luna (Xhigh)23.5 · $0.20
Kimi K2.5 (Reasoning)23.5 · $1.20