Fugu Ultra vs GPT-6.1 Terra Pro

Price, context window & benchmark comparison

Sakana

Fugu Ultra

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

GPT-6.1 Terra Pro

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
Compare different models
Sakana
OpenAI
Verdict: GPT-6.1 Terra Pro is 5.6× cheaper than Fugu Ultra on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 1M).
Fugu UltraGPT-6.1 Terra Pro
Input price / 1M$5.00$1.00
Output price / 1M$30.00$5.00
Blended price (3:1)$11.25$2.00
Cached input / 1M$0.50$0.05
Context window1M1.1M
Max output128K128K
Intelligence index——
Coding index——
Providers—6
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-06-242026-10-26
Retirement——

Cost calculator

FAQ

Which is cheaper, Fugu Ultra or GPT-6.1 Terra Pro?

GPT-6.1 Terra Pro is 5.6× cheaper than Fugu Ultra on a typical 3:1 input/output mix.

Fugu Ultra vs GPT-6.1 Terra Pro: which has a bigger context window?

Fugu Ultra: 1,000,000 tokens. GPT-6.1 Terra Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Fugu Ultra ≈ $25,000, GPT-6.1 Terra Pro ≈ $4,500.

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