Fugu Ultra vs Gemini 4 Argon

Price, context window & benchmark comparison

Sakana

Fugu Ultra

Sakana
$5.00 / $30.00
Input / Output · per 1M tokens
VS
Google

Gemini 4 Argon

Google
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
Sakana
Google
Verdict: Gemini 4 Argon is 2.8× cheaper than Fugu Ultra on a typical 3:1 input/output mix. Gemini 4 Argon has the larger context window (1M vs 1M).
Fugu UltraGemini 4 Argon
Input price / 1M$5.00$2.00
Output price / 1M$30.00$10.00
Blended price (3:1)$11.25$4.00
Cached input / 1M$0.50$0.10
Context window1M1M
Max output128K944K
Intelligence index—50.4
Coding index——
Providers—6
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-06-242026-10-13
Retirement——

Cost calculator

FAQ

Which is cheaper, Fugu Ultra or Gemini 4 Argon?

Gemini 4 Argon is 2.8× cheaper than Fugu Ultra on a typical 3:1 input/output mix.

Fugu Ultra vs Gemini 4 Argon: which has a bigger context window?

Fugu Ultra: 1,000,000 tokens. Gemini 4 Argon: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Fugu Ultra ≈ $25,000, Gemini 4 Argon ≈ $9,000.

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