GPT-6 Luna Pro vs Space Bunny Alpha

Price, context window & benchmark comparison

GPT-6 Luna Pro

OpenAI

$0.10 / $0.50

Input / Output · per 1M tokens

Space Bunny Alpha

Stealth

Free / Free

Input / Output · per 1M tokens

Compare different models

Verdict: Space Bunny Alpha is 200000000.0× cheaper than GPT-6 Luna Pro on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 1M).

	GPT-6 Luna Pro	Space Bunny Alpha
Input price / 1M	$0.10	Free
Output price / 1M	$0.50	Free
Blended price (3:1)	$0.20	Free
Cached input / 1M	$0.01	—
Context window	1.1M	1M
Max output	128K	524K
Intelligence index	—	—
Coding index	—	—
Providers	6	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-22	2026-09-23
Retirement	—	2026-10-05

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, GPT-6 Luna Pro or Space Bunny Alpha?

Space Bunny Alpha is 200000000.0× cheaper than GPT-6 Luna Pro on a typical 3:1 input/output mix.

GPT-6 Luna Pro vs Space Bunny Alpha: which has a bigger context window?

GPT-6 Luna Pro: 1,050,000 tokens. Space Bunny Alpha: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Luna Pro ≈ $450.00, Space Bunny Alpha ≈ $0.

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