Hy4
AvailableTencent's fourth-generation flagship LLM (Hy series, formerly Hunyuan), released Nov 4 2026 as the final version following Hy4 preview (Aug 28). Tencent says it significantly scaled pre- and post-training, adding visual understanding for the first time plus improvements in instruction following, long-context comprehension and long-horizon agentic tasks. Available via Tencent Cloud TokenHub, WorkBuddy, CodeBuddy, Yuanbao, WeCom and ima, with API access through OpenRouter and other third parties. Priced at about $0.90 / $2.70 per 1M input/output tokens ($0.045 cached input), unchanged from the preview. Tencent plans to release open weights and system cards in the coming days; weights were not yet available at launch. Benchmarks vendor-reported.
Specifications
- License
- Proprietary
- Weights
- Not released
- Architecture
- Mixture-of-Experts
- Parameters
- Undisclosed
- Context window
- — tokens
- Max output
- —
- Knowledge cutoff
- —
- Price (in / out, $/M)
- $0.9 / $2.7
- Modalities
- TextVisionCode
Benchmarks
No benchmark scores recorded yet. Spotted some? Submit a correction.
Vendor-reported figures are claims until independently verified. See methodology.