GPT-6.1 Terra Pro vs Skyfall 36B V2

Price, context window & benchmark comparison

GPT-6.1 Terra Pro

OpenAI

$1.00 / $5.00

Input / Output · per 1M tokens

Skyfall 36B V2

Thedrummer

$0.55 / $0.80

Input / Output · per 1M tokens

Compare different models

Verdict: Skyfall 36B V2 is 3.3× 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 33K).

	GPT-6.1 Terra Pro	Skyfall 36B V2
Input price / 1M	$1.00	$0.55
Output price / 1M	$5.00	$0.80
Blended price (3:1)	$2.00	$0.61
Cached input / 1M	$0.05	$0.25
Context window	1.1M	33K
Max output	128K	29K
Intelligence index	—	—
Coding index	—	—
Providers	6	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	No
Reasoning	Yes	No
Tool calling	Yes	No
Released	2026-10-26	2025-03-10
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, GPT-6.1 Terra Pro or Skyfall 36B V2?

Skyfall 36B V2 is 3.3× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

GPT-6.1 Terra Pro vs Skyfall 36B V2: which has a bigger context window?

GPT-6.1 Terra Pro: 1,050,000 tokens. Skyfall 36B V2: 32,768 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Skyfall 36B V2 ≈ $1,500.

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