Unisound U2 Models by Unisound
1 model2026
Last refreshed 2026-06-29. Next refresh: weekly.
Details
ResearcherUnisound
LicenseProprietary
Commercial useCommercial use: conditional
Models1
Released2026
Capabilities
ReasoningAll models
JSON / Tool useAll models
Links
WebsiteAbout
Unisound's first publicly released agentic LLM family. U2 emphasizes high reasoning accuracy over long multi-step workflows, with a sparse MoE architecture that uses 266B total parameters and 10B active parameters.
Decision facts
- Best fit
- chinareasoningJSON / Tool use
- Capability starting point
- Unisound U2 with reasoning and JSON / Tool use
- Lowest tracked input
- Not tracked
- Closest related family
- Nanbeige4
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
1 in view
Unisound U2Current
Use when the workload needs 266B parameters, reasoning, and JSON / Tool use.
2026-06266B parametersreasoningJSON / Tool use
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Unisound U2 | Use when the workload needs 266B parameters, reasoning, and JSON / Tool use. | 2026-06 | 266B parametersreasoningJSON / Tool use | Current |
Release Timeline
1 release group2026-06
1 current
Unisound U2
Current266B parametersreasoningJSON / Tool use
Specifications(1 models)
| Model | Released | Parameters | Reasoning | JSON / Tool use |
|---|---|---|---|---|
| Unisound U2 | 2026-06 | 266B | Yes | Yes |
