Model Comparator

Compare up to four models using the same criteria.

Claude Opus 4.7 (Non-reasoning, High)
Anthropic
K2 Horizon 375B A23B
Institute of Foundation Models

Differences only

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

Model Comparator
Metrics	Claude Opus 4.7 (Non-reasoning, High) Anthropic	K2 Horizon 375B A23B Institute of Foundation Models
Intelligence	Best: 30.9	30.5
Coding	—	61.5
Agentic	—	40
Speed	54 t/s	Best: 1,213 t/s
TTFT	Best: 1.37 s	2.47 s
Input · $ / 1M tokens	$5	—
Output · $ / 1M tokens	$25	—
Context window	Best: 1M	524K
Reasoning	No	Yes
Open weights	No	Yes
Cost / task	—	$0

Intelligence

Claude Opus 4.7 (Non-reasoning, High): Best: 30.9
K2 Horizon 375B A23B: 30.5

Coding

Claude Opus 4.7 (Non-reasoning, High): —
K2 Horizon 375B A23B: 61.5

Agentic

Claude Opus 4.7 (Non-reasoning, High): —
K2 Horizon 375B A23B: 40

Speed

Claude Opus 4.7 (Non-reasoning, High): 54 t/s
K2 Horizon 375B A23B: Best: 1,213 t/s

TTFT

Claude Opus 4.7 (Non-reasoning, High): Best: 1.37 s
K2 Horizon 375B A23B: 2.47 s

Input · $ / 1M tokens

Claude Opus 4.7 (Non-reasoning, High): $5
K2 Horizon 375B A23B: —

Output · $ / 1M tokens

Claude Opus 4.7 (Non-reasoning, High): $25
K2 Horizon 375B A23B: —

Context window

Claude Opus 4.7 (Non-reasoning, High): Best: 1M
K2 Horizon 375B A23B: 524K

Reasoning

Claude Opus 4.7 (Non-reasoning, High): No
K2 Horizon 375B A23B: Yes

Open weights

Claude Opus 4.7 (Non-reasoning, High): No
K2 Horizon 375B A23B: Yes

Cost / task

Claude Opus 4.7 (Non-reasoning, High): —
K2 Horizon 375B A23B: $0

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.

Claude Opus 4.7 (Non-reasoning, High)30.9 · 54 t/s
K2 Horizon 375B A23B30.5 · 1,213 t/s