Fugu Ultra vs GLM 5.3 FlashX

Price, context window & benchmark comparison

Sakana

Fugu Ultra

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

GLM 5.3 FlashX

Z.ai (Zhipu)
$0.37 / $1.25
Input / Output · per 1M tokens
Compare different models
Sakana
Z.ai (Zhipu)
Verdict: GLM 5.3 FlashX is 19.1× cheaper than Fugu Ultra on a typical 3:1 input/output mix. GLM 5.3 FlashX has the larger context window (1M vs 1M).
Fugu UltraGLM 5.3 FlashX
Input price / 1M$5.00$0.37
Output price / 1M$30.00$1.25
Blended price (3:1)$11.25$0.59
Cached input / 1M$0.50$0.09
Context window1M1M
Max output128K131K
Intelligence index
Coding index
Providers1
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-06-242026-09-18
Retirement

Cost calculator

FAQ

Which is cheaper, Fugu Ultra or GLM 5.3 FlashX?

GLM 5.3 FlashX is 19.1× cheaper than Fugu Ultra on a typical 3:1 input/output mix.

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

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

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Fugu Ultra ≈ $25,000, GLM 5.3 FlashX ≈ $1,365.

More comparisons