Kimi K2.5 (Moonshot) vs Hunyuan 3 (Tencent Hy3)
Which one should you pick? Here's the full breakdown.
Kimi K2.5 (Moonshot)
Moonshot's 1T-parameter MoE open-weights flagship -- best open-source agentic coder, rivals Claude Opus 4.5
Hunyuan 3 (Tencent Hy3)
Tencent's Hy3 Preview launched 2026-04-23 -- 295B total / 21B active MoE, 256K context, open-sourced on HuggingFace under tencent/Hy3-preview. Cheapest frontier-class API at ~1.2 RMB per million input tokens. Integrated into Yuanbao, WeChat, QQ
| Category | Kimi K2.5 (Moonshot) | Hunyuan 3 (Tencent Hy3) |
|---|---|---|
| Ease of Use | 6.0 | 7.0 |
| Output Quality | 9.0 | 8.0 |
| Value | 8.5 | 9.5 |
| Features | 9.0 | 8.0 |
| Overall | 8.1 | 8.1 |
Personality & Tone
Kimi K2.5 (Moonshot): The long-context note-taker
Tone: Careful and document-focused. Kimi K2.5 shines when you dump a long document in -- replies read as summary-and-citation rather than open chat, leaning on the source material rather than the model's opinions.
Quirks: Context handling is the whole pitch. Without a document to anchor to, replies feel plainer than Qwen or DeepSeek. Native Chinese quality is very strong; English is decent but not class-leading.
Hunyuan 3 (Tencent Hy3): Tencent's first serious open-weights LLM
Tone: Direct and structured, similar to DeepSeek's chat tone -- compact answers in technical domains, reasonable Chinese-language polish, English noticeably less expressive than Claude or GPT.
Quirks: PRC content filters apply across the same set of regulated topics as DeepSeek and Qwen. Distribution via Yuanbao + WeChat + QQ means many Hy3 users in the wild are talking to it through chat-app surfaces rather than a developer console.
Pricing Comparison
| Feature | Kimi K2.5 (Moonshot) | Hunyuan 3 (Tencent Hy3) |
|---|---|---|
| Free Tier | Yes | Yes |
| Starting Price | $0 | $0 |
Benchmark Head-to-Head
Kimi K2.5 (1T/32B active MoE) benchmarks — Hunyuan 3 (Tencent Hy3) has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| MMLU-Pro | Harder multi-subject reasoning | 84.8% |
| GPQA Diamond | Graduate-level science questions | 80.5% |
| AIME 2025 | 91.2% | |
| SWE-Bench Verified | 78.5% | |
| LiveCodeBench | 74.1% |
Which Should You Pick?
Pick Kimi K2.5 (Moonshot) if...
- ✓Higher output quality (9 vs 8)
- ✓More features (9 vs 8)
Agentic coding workflows, tool-use agents, and teams willing to pay hosted-API prices for frontier-tier quality with open-weights licensing protection.
Visit Kimi K2.5 (Moonshot)Pick Hunyuan 3 (Tencent Hy3) if...
- ✓Easier to use (7 vs 6)
- ✓Better value for money (9.5/10)
Chinese-market builders, multilingual products that need strong CN performance, and cost-sensitive developers who want frontier-class quality at sub-DeepSeek pricing. Also anyone watching the open-weights field who wants Tencent's distribution-backed entry on the bench.
Visit Hunyuan 3 (Tencent Hy3)Our Verdict
Kimi K2.5 (Moonshot) and Hunyuan 3 (Tencent Hy3) are extremely close overall. Your choice comes down to specific needs -- Kimi K2.5 (Moonshot) is better for agentic coding workflows, tool-use agents, and teams willing to pay hosted-api prices for frontier-tier quality with open-weights licensing protection, while Hunyuan 3 (Tencent Hy3) works best for chinese-market builders, multilingual products that need strong cn performance, and cost-sensitive developers who want frontier-class quality at sub-deepseek pricing.