GPT-6.1 Terra Pro vs Pareto 26.10 Preview

Price, context window & benchmark comparison

GPT-6.1 Terra Pro

OpenAI

$1.00 / $5.00

Input / Output · per 1M tokens

Pareto 26.10 Preview

Unbiased

$0.80 / $3.20

Input / Output · per 1M tokens

Compare different models

Verdict: Pareto 26.10 Preview is 30% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 1M).

	GPT-6.1 Terra Pro	Pareto 26.10 Preview
Input price / 1M	$1.00	$0.80
Output price / 1M	$5.00	$3.20
Blended price (3:1)	$2.00	$1.40
Cached input / 1M	$0.05	$0.03
Context window	1.1M	1M
Max output	128K	131K
Intelligence index	—	—
Coding index	—	—
Providers	6	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	No
Tool calling	Yes	Yes
Released	2026-10-26	2026-10-01
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, GPT-6.1 Terra Pro or Pareto 26.10 Preview?

Pareto 26.10 Preview is 30% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

GPT-6.1 Terra Pro vs Pareto 26.10 Preview: which has a bigger context window?

GPT-6.1 Terra Pro: 1,050,000 tokens. Pareto 26.10 Preview: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Pareto 26.10 Preview ≈ $3,200.

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