Hunyuan 3 (Tencent Hy3) vs Grammarly
Which one should you pick? Here's the full breakdown.
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
Grammarly
AI writing assistant that catches errors everywhere you type -- now with full AI rewriting
| Category | Hunyuan 3 (Tencent Hy3) | Grammarly |
|---|---|---|
| Ease of Use | 7.0 | 10.0 |
| Output Quality | 8.0 | 7.0 |
| Value | 9.5 | 7.0 |
| Features | 8.0 | 8.0 |
| Overall | 8.1 | 8.0 |
Pricing Comparison
| Feature | Hunyuan 3 (Tencent Hy3) | Grammarly |
|---|---|---|
| Free Tier | Yes | Yes |
| Starting Price | $0 | $0 |
Which Should You Pick?
Pick Hunyuan 3 (Tencent Hy3) if...
- ✓Higher output quality (8 vs 7)
- ✓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)Pick Grammarly if...
- ✓Easier to use (10 vs 7)
Non-native English speakers, professionals who write lots of emails, and anyone who wants a passive grammar net running in the background. It catches things you'd miss.
Visit GrammarlyOur Verdict
Hunyuan 3 (Tencent Hy3) and Grammarly are extremely close overall. Your choice comes down to specific needs -- Hunyuan 3 (Tencent Hy3) is better for chinese-market builders, multilingual products that need strong cn performance, and cost-sensitive developers who want frontier-class quality at sub-deepseek pricing, while Grammarly works best for non-native english speakers, professionals who write lots of emails, and anyone who wants a passive grammar net running in the background.