Hy4 vs Kimi K3
Price, context window & benchmark comparison
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Verdict: Hy4 is 6.6× cheaper than Kimi K3 on a typical 3:1 input/output mix. Hy4 scores higher on the Artificial Analysis Intelligence Index (34.6 vs 17.4).
| Hy4 | Kimi K3 | |
|---|---|---|
| Input price / 1M | $0.42 | $0.19 |
| Output price / 1M | $1.25 | $16.00 |
| Blended price (3:1) | $0.63 | $4.14 |
| Cached input / 1M | $0.021 | $0.18 |
| Context window | 1M | 1M |
| Max output | 66K | 944K |
| Intelligence index | 34.6 | 17.4 |
| Coding index | — | 72 |
| Providers | 1 | 27 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-11-04 | 2026-07-16 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Hy4 or Kimi K3?
Hy4 is 6.6× cheaper than Kimi K3 on a typical 3:1 input/output mix.
Hy4 vs Kimi K3: which has a bigger context window?
Hy4: 1,048,576 tokens. Kimi K3: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Hy4 ≈ $1,459, Kimi K3 ≈ $8,384.
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