Model Comparator

Compare up to four models using the same criteria.

Kimi K2.7 Code
Moonshot AI
Grok 4.20 0309 v2 (Reasoning)
SpaceXSI

Differences only

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

Model Comparator
Metrics	Kimi K2.7 Code Moonshot AI	Grok 4.20 0309 v2 (Reasoning) SpaceXSI
Intelligence	Best: 25.8	25.7
Coding	60.8	—
Agentic	21	—
Speed	58.2 t/s	Best: 101 t/s
TTFT	Best: 2.92 s	17.3 s
Input · $ / 1M tokens	Best: $0.95	$1.25×1.3 relative to the lowest price among the compared models
Output · $ / 1M tokens	$4×1.6 relative to the lowest price among the compared models	Best: $2.50
Context window	256K	Best: 2M
Reasoning	Yes	Yes
Open weights	Yes	No
Cost / task	$0.541	—

Intelligence

Kimi K2.7 Code: Best: 25.8
Grok 4.20 0309 v2 (Reasoning): 25.7

Coding

Kimi K2.7 Code: 60.8
Grok 4.20 0309 v2 (Reasoning): —

Agentic

Kimi K2.7 Code: 21
Grok 4.20 0309 v2 (Reasoning): —

Speed

Kimi K2.7 Code: 58.2 t/s
Grok 4.20 0309 v2 (Reasoning): Best: 101 t/s

TTFT

Kimi K2.7 Code: Best: 2.92 s
Grok 4.20 0309 v2 (Reasoning): 17.3 s

Input · $ / 1M tokens

Kimi K2.7 Code: Best: $0.95
Grok 4.20 0309 v2 (Reasoning): $1.25×1.3 relative to the lowest price among the compared models

Output · $ / 1M tokens

Kimi K2.7 Code: $4×1.6 relative to the lowest price among the compared models
Grok 4.20 0309 v2 (Reasoning): Best: $2.50

Context window

Kimi K2.7 Code: 256K
Grok 4.20 0309 v2 (Reasoning): Best: 2M

Reasoning

Kimi K2.7 Code: Yes
Grok 4.20 0309 v2 (Reasoning): Yes

Open weights

Kimi K2.7 Code: Yes
Grok 4.20 0309 v2 (Reasoning): No

Cost / task

Kimi K2.7 Code: $0.541
Grok 4.20 0309 v2 (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.

Kimi K2.7 Code25.8 · $1.71
Grok 4.20 0309 v2 (Reasoning)25.7 · $1.56