Model Comparator

Compare up to four models using the same criteria.

Grok 4.20 0309 v2 (Reasoning)
SpaceXSI
Inkling Small
Thinking Machines

Differences only

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

Model Comparator
Metrics	Grok 4.20 0309 v2 (Reasoning) SpaceXSI	Inkling Small Thinking Machines
Intelligence	25.7	25.7
Coding	—	52.9
Agentic	—	23.5
Speed	101 t/s	Best: 190 t/s
TTFT	17.3 s	Best: 2.01 s
Input · $ / 1M tokens	$1.25×4.2 relative to the lowest price among the compared models	Best: $0.30
Output · $ / 1M tokens	$2.50×2.1 relative to the lowest price among the compared models	Best: $1.20
Context window	Best: 2M	1M
Reasoning	Yes	Yes
Open weights	No	Yes
Cost / task	—	$0.0895

Intelligence

Grok 4.20 0309 v2 (Reasoning): 25.7
Inkling Small: 25.7

Coding

Grok 4.20 0309 v2 (Reasoning): —
Inkling Small: 52.9

Agentic

Grok 4.20 0309 v2 (Reasoning): —
Inkling Small: 23.5

Speed

Grok 4.20 0309 v2 (Reasoning): 101 t/s
Inkling Small: Best: 190 t/s

TTFT

Grok 4.20 0309 v2 (Reasoning): 17.3 s
Inkling Small: Best: 2.01 s

Input · $ / 1M tokens

Grok 4.20 0309 v2 (Reasoning): $1.25×4.2 relative to the lowest price among the compared models
Inkling Small: Best: $0.30

Output · $ / 1M tokens

Grok 4.20 0309 v2 (Reasoning): $2.50×2.1 relative to the lowest price among the compared models
Inkling Small: Best: $1.20

Context window

Grok 4.20 0309 v2 (Reasoning): Best: 2M
Inkling Small: 1M

Reasoning

Grok 4.20 0309 v2 (Reasoning): Yes
Inkling Small: Yes

Open weights

Grok 4.20 0309 v2 (Reasoning): No
Inkling Small: Yes

Cost / task

Grok 4.20 0309 v2 (Reasoning): —
Inkling Small: $0.0895

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.

Grok 4.20 0309 v2 (Reasoning)25.7 · $1.56
Inkling Small25.7 · $0.525