Fugu Ultra v2 vs GPT-6 Luna Pro

Price, context window & benchmark comparison

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Fugu Ultra v2

Sakana
$5.00 / $30.00
Input / Output · per 1M tokens
VS
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GPT-6 Luna Pro

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT-6 Luna Pro is 56.3× cheaper than Fugu Ultra v2 on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 1M).
Fugu Ultra v2GPT-6 Luna Pro
Input price / 1M$5.00$0.10
Output price / 1M$30.00$0.50
Blended price (3:1)$11.25$0.20
Cached input / 1M$0.50$0.01
Context window1M1.1M
Max output128K128K
Intelligence index
Coding index
Providers6
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-112026-09-22
Retirement

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FAQ

Which is cheaper, Fugu Ultra v2 or GPT-6 Luna Pro?

GPT-6 Luna Pro is 56.3× cheaper than Fugu Ultra v2 on a typical 3:1 input/output mix.

Fugu Ultra v2 vs GPT-6 Luna Pro: which has a bigger context window?

Fugu Ultra v2: 1,000,000 tokens. GPT-6 Luna Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Fugu Ultra v2 ≈ $25,000, GPT-6 Luna Pro ≈ $450.00.

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