Fugu Ultra vs GLM 5.3 Prime
Price, context window & benchmark comparison
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Verdict: GLM 5.3 Prime is 2.6× cheaper than Fugu Ultra on a typical 3:1 input/output mix.
| Fugu Ultra | GLM 5.3 Prime | |
|---|---|---|
| Input price / 1M | $5.00 | $2.80 |
| Output price / 1M | $30.00 | $8.80 |
| Blended price (3:1) | $11.25 | $4.30 |
| Cached input / 1M | $0.50 | $0.56 |
| Context window | 1M | 1M |
| Max output | 128K | 131K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | — | 1 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-06-24 | 2026-09-23 |
| Retirement | — | — |
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FAQ
Which is cheaper, Fugu Ultra or GLM 5.3 Prime?
GLM 5.3 Prime is 2.6× cheaper than Fugu Ultra on a typical 3:1 input/output mix.
Fugu Ultra vs GLM 5.3 Prime: which has a bigger context window?
Fugu Ultra: 1,000,000 tokens. GLM 5.3 Prime: 1,000,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Fugu Ultra ≈ $25,000, GLM 5.3 Prime ≈ $10,000.
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