Model Comparator

Compare up to four models using the same criteria.

Grok 4.3 (High)
SpaceXSI
Claude Sonnet 4.6 (Non-reasoning, High)
Anthropic

Differences only

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

Model Comparator
Metrics	Grok 4.3 (High) SpaceXSI	Claude Sonnet 4.6 (Non-reasoning, High) Anthropic
Intelligence	Best: 24.9	24.7
Coding	42.2	Best: 63
Agentic	15.5	Best: 31.8
Speed	Best: 94.6 t/s	45.2 t/s
TTFT	24.8 s	Best: 1.08 s
Input · $ / 1M tokens	Best: $1.25	$3×2.4 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $2.50	$15×6 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	No
Open weights	No	No
Cost / task	$0.205	—

Intelligence

Grok 4.3 (High): Best: 24.9
Claude Sonnet 4.6 (Non-reasoning, High): 24.7

Coding

Grok 4.3 (High): 42.2
Claude Sonnet 4.6 (Non-reasoning, High): Best: 63

Agentic

Grok 4.3 (High): 15.5
Claude Sonnet 4.6 (Non-reasoning, High): Best: 31.8

Speed

Grok 4.3 (High): Best: 94.6 t/s
Claude Sonnet 4.6 (Non-reasoning, High): 45.2 t/s

TTFT

Grok 4.3 (High): 24.8 s
Claude Sonnet 4.6 (Non-reasoning, High): Best: 1.08 s

Input · $ / 1M tokens

Grok 4.3 (High): Best: $1.25
Claude Sonnet 4.6 (Non-reasoning, High): $3×2.4 relative to the lowest price among the compared models

Output · $ / 1M tokens

Grok 4.3 (High): Best: $2.50
Claude Sonnet 4.6 (Non-reasoning, High): $15×6 relative to the lowest price among the compared models

Context window

Grok 4.3 (High): 1M
Claude Sonnet 4.6 (Non-reasoning, High): 1M

Reasoning

Grok 4.3 (High): Yes
Claude Sonnet 4.6 (Non-reasoning, High): No

Open weights

Grok 4.3 (High): No
Claude Sonnet 4.6 (Non-reasoning, High): No

Cost / task

Grok 4.3 (High): $0.205
Claude Sonnet 4.6 (Non-reasoning, 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.

Grok 4.3 (High)24.9 · $1.56
Claude Sonnet 4.6 (Non-reasoning, High)24.7 · $6