Hunyuan HY3 Preview

Model overview
hy3-preview
The open-weight HY3 preview retained for reproducible research and migration comparisons after the GA release.
general LLMreasoningcodinglong contextagentevaluationcode generationlocal inferenceenterprise access
Representative version
hy3-preview
| Company | Tencent / Hunyuan |
|---|---|
| Release | 2026-04-23 |
| Release type | Preview release |
| Parameters | 295B / 21B active |
| Architecture | Not disclosed |
| Context | 262,144 |
| Input modalities | text / code |
| Output modalities | text / code / tool_call |
| Tool use / function calling | Confirmed: Tool use |
| Structured output / reasoning | Confirmed: Reasoning |
| Vision / audio / video | Vision: Not disclosed; Audio: Not disclosed; Video: Not disclosed |
| Open weights / License | Weights available / Tencent Hunyuan community license (license source pending verification) tencent-hy3-preview-current · License source pending verification |
| Vendor API | Available Tencent Hunyuan HY3 Preview repositorytencent-hy3-preview-current · 2026-04-23 |
| OpenRouter | OpenRouter listed |
| Pricing | OpenRouter · 2026-08-11: $0.063 / $0.21 input / output, per 1M tokens |
| Benchmark | No reliable public source |
| Public signals | No reliable public source |
| Use cases | research evaluation / Migration testing / local inference / code generation |
| Claim evidence | Release event / Model specifications / Weight checkpointTencent Hunyuan HY3 Preview repositoryhy3-preview · 2026-04-23 · Hunyuan HY3 Preview · hy3-preview · hy3-preview OpenRouter context / capabilities / pricingOpenRouter public models APItencent/hy3-preview · 2026-08-11T06:28:09.895Z |
OpenRouter
Pricing / context / availability
| OpenRouter | OpenRouter listed |
|---|---|
| OpenRouter listing | tencent/hy3-preview |
| Mapped version | hy3-preview tencent-hy3-preview-current |
| Pricing | OpenRouter · 2026-08-11: $0.063 / $0.21 input / output, per 1M tokens |
| Context | 262144 |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-08-11T06:28:09.895Z |
| Source | View source |
Verified limitations
Usage boundaries
- Superseded by the HY3 GA model; uses a separate community license.
Missing public information
Public information not yet available
No reliable benchmark sourceNo public model-card activity countersNo linkable model-specific reviewSpeed/latency not disclosed