Hy3 vs Kimi K3
Hy3 (Tencent) and Kimi K3 (Moonshot) compared on benchmarks, pricing, context window, and use-case rankings.
- Hy3 is cheaper on input tokens — $0.13 vs $1.44 per 1M.
- Kimi K3 has a larger context window (1M vs 262K tokens).
- Kimi K3 ranks higher for coding (94th vs 56th percentile).
| Attribute | Hy3 | Kimi K3 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 158 |
| Coding | 56 | 94 |
| Math | — | 73 |
| Reasoning & Knowledge | 58 | 69 |
| Agentic & Tools | — | 66 |
| Specifications | ||
| Developer | Tencent | Moonshot |
| Family | — | Kimi |
| Released | Jul 6, 2026 | Jul 16, 2026 |
| Parameters | — | 2.8T |
| Availability | — | Open weights (non-commercial) |
| Context window | 262K | 1M |
| Price — $/M input | $0.13 | $1.44 |
| Price — $/M output | $0.53 | $9.00 |
| Inputs | text | text, image, video |
| Outputs | text | text |
| Benchmarks | ||
| GPQA Diamond | 90% | 93% |
| Humanity's Last Exam | 34% | 47% |
| SciCode | 49% | 60% |
| AIME 2024/2025 | — | 97% |
| APEX | — | 51% |
| ARC-AGI | — | 95% |
| ARC-AGI-2 | — | 60% |
| SimpleBench | — | 61% |
| SimpleQA Verified | — | 51% |
| WebDev Arena | — | 1674 |
| WeirdML | — | 83% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, Hy3 or Kimi K3?
Hy3 is cheaper on input tokens at $0.13 per million, versus $1.44 (representative OpenRouter pricing).
Which has a larger context window, Hy3 or Kimi K3?
Kimi K3 supports up to 1M tokens, compared with 262K for the other.
Which is better for coding, Hy3 or Kimi K3?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Kimi K3 ranks higher — 94th vs 56th percentile among the models tracked on Model Beat.
Want a different match-up? Open the compare tool to add or swap models.
More comparisons
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.