o3 Mini High vs GPT-6.1 Terra Pro

API pricing, benchmark indices and specs — updated 27 October 2026.

openai · A · API-only
Input / 1M
$1.10
Output / 1M
$4.40
AA index
11
proprietary · 200K context
openai · B · API-only
Input / 1M
$1.00
Output / 1M
$5.00
AA index
—
proprietary · 1.0M context

Specification comparison

Differences are highlighted; identical values are muted.

Specification o3 Mini High GPT-6.1 Terra Pro
Deployment API-only (closed weights) API-only (closed weights)
Parameters n/a — API-only n/a — API-only
Architecture n/a — API-only n/a — API-only
Context length 200,000 1,050,000
Licence Proprietary Proprietary
Commercial use Per API terms Per API terms
Languages n/a — API-only n/a — API-only
Downloads 30d n/a — API-only n/a — API-only
Downloads all time n/a — API-only n/a — API-only
Quantizations on the Hub n/a — API-only n/a — API-only
Gated n/a — API-only n/a — API-only
First seen on the Hub n/a — API-only n/a — API-only
API input price / 1M tokens $1.10 $1.00
API output price / 1M tokens $4.40 $5.00
Est. cost per 1M input + 1M output tokens $5.50 $6.00
Cached input / 1M tokens $0.55 $0.05
AA Intelligence Index 11 —
AA Coding Index 16.3 —
AA Agentic Index 0.9 —
Max output tokens 100,000 128,000
API providers — 2
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

o3 Mini High $5.50
GPT-6.1 Terra Pro $6.00

o3 Mini High is 1.1× cheaper at list price.

Adjacent comparisons