Hy4 Preview is a 770B-parameter Mixture-of-Experts flagship model from the Tencent Hy team, with 49B parameters active per token and a 1M-token context window. It is post-trained for software engineering, office and data analysis, game development, and scientific research, with strong long-horizon reasoning, tool use, and agentic performance.
Modalities
In / out price
$1.0425 / $3.1263per 1M
Cached price
$0.0525per 1M
Context
1M
Max output
64K
Providers
1 routeCompare providers by price, privacy, and speed.
| Private | $1.0425 | $3.1263 | $0.0525 | 1M | 64K | — | — |
Privacy
2 / 4Private routing
Private tier
- Anonymous
- Private
- TEE
- E2EE
Prompt and response content is not retained after the request. Request content is visible to the inference runtime while it is being processed. Learn more
Features
7Streaming
Tool calling
Reasoning
JSON/schema
Web search
Code optimized
Prompt caching
Uptime
FAQ
Common questions about Hy4 Preview.