Model Comparator

Compare up to four models using the same criteria.

Inkling (Xhigh)
Thinking Machines
GPT-5 Codex (High)
OpenAI

Differences only

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

Model Comparator
Metrics	Inkling (Xhigh) Thinking Machines	GPT-5 Codex (High) OpenAI
Intelligence	Best: 25	24.9
Coding	52.1	—
Math	—	98.7
Agentic	22.5	—
Speed	Best: 180 t/s	166 t/s
TTFT	Best: 1.86 s	6.71 s
Input · $ / 1M tokens	Best: $1	$1.25×1.3 relative to the lowest price among the compared models
Output · $ / 1M tokens	Best: $4.05	$10×2.5 relative to the lowest price among the compared models
Context window	Best: 1M	400K
Reasoning	Yes	Yes
Open weights	Yes	No

Intelligence

Inkling (Xhigh): Best: 25
GPT-5 Codex (High): 24.9

Coding

Inkling (Xhigh): 52.1
GPT-5 Codex (High): —

Math

Inkling (Xhigh): —
GPT-5 Codex (High): 98.7

Agentic

Inkling (Xhigh): 22.5
GPT-5 Codex (High): —

Speed

Inkling (Xhigh): Best: 180 t/s
GPT-5 Codex (High): 166 t/s

TTFT

Inkling (Xhigh): Best: 1.86 s
GPT-5 Codex (High): 6.71 s

Input · $ / 1M tokens

Inkling (Xhigh): Best: $1
GPT-5 Codex (High): $1.25×1.3 relative to the lowest price among the compared models

Output · $ / 1M tokens

Inkling (Xhigh): Best: $4.05
GPT-5 Codex (High): $10×2.5 relative to the lowest price among the compared models

Context window

Inkling (Xhigh): Best: 1M
GPT-5 Codex (High): 400K

Reasoning

Inkling (Xhigh): Yes
GPT-5 Codex (High): Yes

Open weights

Inkling (Xhigh): Yes
GPT-5 Codex (High): No

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.

Inkling (Xhigh)25 · $1.76
GPT-5 Codex (High)24.9 · $3.44