Model Comparator

Compare up to four models using the same criteria.

GPT-5.6 Luna (Medium)
OpenAI
Inkling (Xhigh)
Thinking Machines

Differences only

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

Model Comparator
Metrics	GPT-5.6 Luna (Medium) OpenAI	Inkling (Xhigh) Thinking Machines
Intelligence	25	25
Coding	50.7	Best: 52.1
Agentic	Best: 23.9	22.5
Speed	122 t/s	Best: 178 t/s
TTFT	2.69 s	Best: 1.86 s
Input · $ / 1M tokens	Best: $0.20	$1×5 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $1.20	$4.05×3.4 relative to the lowest price among the compared models
Context window	1M	1M
Reasoning	Yes	Yes
Open weights	No	Yes
Cost / task	$0.0156	—

Intelligence

GPT-5.6 Luna (Medium): 25
Inkling (Xhigh): 25

Coding

GPT-5.6 Luna (Medium): 50.7
Inkling (Xhigh): Best: 52.1

Agentic

GPT-5.6 Luna (Medium): Best: 23.9
Inkling (Xhigh): 22.5

Speed

GPT-5.6 Luna (Medium): 122 t/s
Inkling (Xhigh): Best: 178 t/s

TTFT

GPT-5.6 Luna (Medium): 2.69 s
Inkling (Xhigh): Best: 1.86 s

Input · $ / 1M tokens

GPT-5.6 Luna (Medium): Best: $0.20
Inkling (Xhigh): $1×5 relative to the lowest price among the compared models

Output · $ / 1M tokens

GPT-5.6 Luna (Medium): Best: $1.20
Inkling (Xhigh): $4.05×3.4 relative to the lowest price among the compared models

Context window

GPT-5.6 Luna (Medium): 1M
Inkling (Xhigh): 1M

Reasoning

GPT-5.6 Luna (Medium): Yes
Inkling (Xhigh): Yes

Open weights

GPT-5.6 Luna (Medium): No
Inkling (Xhigh): Yes

Cost / task

GPT-5.6 Luna (Medium): $0.0156
Inkling (Xhigh): —

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 Luna (Medium)25 · $44.32
Inkling (Xhigh)25 · $1.03K