GLM 5.1 vs Hy3 preview
Price, context window & benchmark comparison
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Verdict: Hy3 preview is 5.2× cheaper than GLM 5.1 on a typical 3:1 input/output mix. GLM 5.1 scores higher on the Artificial Analysis Intelligence Index (26.1 vs 25.3). Hy3 preview has the larger context window (262K vs 205K).
| GLM 5.1 | Hy3 preview | |
|---|---|---|
| Input price / 1M | $0.97 | $0.18 |
| Output price / 1M | $3.04 | $0.60 |
| Blended price (3:1) | $1.48 | $0.29 |
| Cached input / 1M | $0.18 | $0.06 |
| Context window | 205K | 262K |
| Max output | 128K | 236K |
| Intelligence index | 26.1 | 25.3 |
| Coding index | 55.8 | 58.8 |
| Providers | — | — |
| Best provider uptime (30m) | — | — |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-04-07 | 2026-04-22 |
| Retirement | — | — |
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FAQ
Which is cheaper, GLM 5.1 or Hy3 preview?
Hy3 preview is 5.2× cheaper than GLM 5.1 on a typical 3:1 input/output mix.
GLM 5.1 vs Hy3 preview: which has a bigger context window?
GLM 5.1: 204,800 tokens. Hy3 preview: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.1 ≈ $3,450, Hy3 preview ≈ $660.00.
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