GPT-6.1 Terra vs o1-pro

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Terra

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
VS
OpenAI

o1-pro

OpenAI
$150.00 / $600.00
Input / Output · per 1M tokens
Compare different models
OpenAI
OpenAI
Verdict: GPT-6.1 Terra is 131.3× cheaper than o1-pro on a typical 3:1 input/output mix. GPT-6.1 Terra has the larger context window (1.1M vs 200K).
GPT-6.1 Terrao1-pro
Input price / 1M$1.00$150.00
Output price / 1M$5.00$600.00
Blended price (3:1)$2.00$262.50
Cached input / 1M$0.05—
Context window1.1M200K
Max output128K100K
Intelligence index51.3—
Coding index——
Providers7—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-10-262025-03-19
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Terra or o1-pro?

GPT-6.1 Terra is 131.3× cheaper than o1-pro on a typical 3:1 input/output mix.

GPT-6.1 Terra vs o1-pro: which has a bigger context window?

GPT-6.1 Terra: 1,050,000 tokens. o1-pro: 200,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra ≈ $4,500, o1-pro ≈ $600,000.

More comparisons