Kimi K2 Thinking vs Hy4 preview
Kimi K2 Thinking is cheaper on output tokens, while Hy4 preview offers a larger context window. Choose Kimi K2 Thinking or Hy4 preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Kimi K2 Thinking | Hy4 preview |
|---|---|---|
| Provider | MoonshotAI | Tencent |
| Input / 1M tokens | $0.60 | $0.83 |
| Output / 1M tokens | $2.50 | $2.50 |
| Context window | 262K | 1M |
| Parameters | 1T | — |
| Open weights | Yes | — |
| Released | Nov 2025 | — |
| LiveBench score | 62.3 | — |
| Aider Polyglot score | 59.1 | — |
| LMArena WebDev Elo score | — | 1632 |
FAQ
Is Kimi K2 Thinking or Hy4 preview cheaper?
Kimi K2 Thinking is cheaper on output tokens ($2.50 vs $2.50 per 1M).
Which has the larger context window, Kimi K2 Thinking or Hy4 preview?
Hy4 preview has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.