Model Comparator

Compare up to four models using the same criteria.

GPT-5.6 Terra (Low)
OpenAI
GLM-5 (Reasoning)
Z.AI

Differences only

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

Model Comparator
Metrics	GPT-5.6 Terra (Low) OpenAI	GLM-5 (Reasoning) Z.AI
Intelligence	27.5	Best: 27.9
Coding	58.1	—
Agentic	25.9	—
Speed	Best: 93.2 t/s	71 t/s
TTFT	Best: 1.53 s	1.71 s
Input · $ / 1M tokens	$2×2 relative to the lowest price among the compared models	Best: $1
Output · $ / 1M tokens	$12×3.8 relative to the lowest price among the compared models	Best: $3.20
Context window	Best: 1M	200K
Reasoning	Yes	Yes
Open weights	No	Yes
Cost / task	$0.145	—

Intelligence

GPT-5.6 Terra (Low): 27.5
GLM-5 (Reasoning): Best: 27.9

Coding

GPT-5.6 Terra (Low): 58.1
GLM-5 (Reasoning): —

Agentic

GPT-5.6 Terra (Low): 25.9
GLM-5 (Reasoning): —

Speed

GPT-5.6 Terra (Low): Best: 93.2 t/s
GLM-5 (Reasoning): 71 t/s

TTFT

GPT-5.6 Terra (Low): Best: 1.53 s
GLM-5 (Reasoning): 1.71 s

Input · $ / 1M tokens

GPT-5.6 Terra (Low): $2×2 relative to the lowest price among the compared models
GLM-5 (Reasoning): Best: $1

Output · $ / 1M tokens

GPT-5.6 Terra (Low): $12×3.8 relative to the lowest price among the compared models
GLM-5 (Reasoning): Best: $3.20

Context window

GPT-5.6 Terra (Low): Best: 1M
GLM-5 (Reasoning): 200K

Reasoning

GPT-5.6 Terra (Low): Yes
GLM-5 (Reasoning): Yes

Open weights

GPT-5.6 Terra (Low): No
GLM-5 (Reasoning): Yes

Cost / task

GPT-5.6 Terra (Low): $0.145
GLM-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-5.6 Terra (Low)27.5 · $4.50
GLM-5 (Reasoning)27.9 · $1.55