Model Comparator

Compare up to four models using the same criteria.

GPT-6.1 Sol (Low)
OpenAI
GPT-5.6 Terra (Max)
OpenAI

Differences only

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

Model Comparator
Metrics	GPT-6.1 Sol (Low) OpenAI	GPT-5.6 Terra (Max) OpenAI
Intelligence	42.1	42.1
Coding	—	76.7
Agentic	—	43.2
Speed	44.2 t/s	Best: 107 t/s
TTFT	Best: 3.16 s	137 s
Input · $ / 1M tokens	$2	$2
Output · $ / 1M tokens	Best: $10	$12×1.2 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	Yes
Open weights	No	No
Cost / task	Best: $0.131	$1.40×10.7 relative to the lowest price among the compared models

Intelligence

GPT-6.1 Sol (Low): 42.1
GPT-5.6 Terra (Max): 42.1

Coding

GPT-6.1 Sol (Low): —
GPT-5.6 Terra (Max): 76.7

Agentic

GPT-6.1 Sol (Low): —
GPT-5.6 Terra (Max): 43.2

Speed

GPT-6.1 Sol (Low): 44.2 t/s
GPT-5.6 Terra (Max): Best: 107 t/s

TTFT

GPT-6.1 Sol (Low): Best: 3.16 s
GPT-5.6 Terra (Max): 137 s

Input · $ / 1M tokens

GPT-6.1 Sol (Low): $2
GPT-5.6 Terra (Max): $2

Output · $ / 1M tokens

GPT-6.1 Sol (Low): Best: $10
GPT-5.6 Terra (Max): $12×1.2 relative to the lowest price among the compared models

Context window

GPT-6.1 Sol (Low): 1M
GPT-5.6 Terra (Max): 1M

Reasoning

GPT-6.1 Sol (Low): Yes
GPT-5.6 Terra (Max): Yes

Open weights

GPT-6.1 Sol (Low): No
GPT-5.6 Terra (Max): No

Cost / task

GPT-6.1 Sol (Low): Best: $0.131
GPT-5.6 Terra (Max): $1.40×10.7 relative to the lowest price among the compared models

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-6.1 Sol (Low)42.1 · $0.131
GPT-5.6 Terra (Max)42.1 · $1.40