Fugu Ultra v2 vs GLM 5.3 Flash

Price, context window & benchmark comparison

Sakana

Fugu Ultra v2

Sakana
$5.00 / $30.00
Input / Output · per 1M tokens
VS
Z.ai (Zhipu)

GLM 5.3 Flash

Z.ai (Zhipu)
$0.0399 / $0.0784
Input / Output · per 1M tokens
Compare different models
Sakana
Z.ai (Zhipu)
Verdict: GLM 5.3 Flash is 227.2× cheaper than Fugu Ultra v2 on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1M vs 1M).
Fugu Ultra v2GLM 5.3 Flash
Input price / 1M$5.00$0.0399
Output price / 1M$30.00$0.0784
Blended price (3:1)$11.25$0.0495
Cached input / 1M$0.50$0.03
Context window1M1M
Max output128K131K
Intelligence index—27.8
Coding index—71.5
Providers—42
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-112026-08-26
Retirement——

Cost calculator

FAQ

Which is cheaper, Fugu Ultra v2 or GLM 5.3 Flash?

GLM 5.3 Flash is 227.2× cheaper than Fugu Ultra v2 on a typical 3:1 input/output mix.

Fugu Ultra v2 vs GLM 5.3 Flash: which has a bigger context window?

Fugu Ultra v2: 1,000,000 tokens. GLM 5.3 Flash: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Fugu Ultra v2 ≈ $25,000, GLM 5.3 Flash ≈ $119.00.

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