Model Comparator

Compare up to four models using the same criteria.

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

Intelligence

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

Coding

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

Math

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

Agentic

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

Speed

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

TTFT

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

Input · $ / 1M tokens

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

Output · $ / 1M tokens

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

Context window

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

Reasoning

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

Open weights

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

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