Hy4 preview
ModelOpen sourceActiveby Tencent · family “hy4-preview”
Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that... (description from the OpenRouter listing)
in: textout: textReasoningTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Released
28 Aug 2026
Context window
1.05M tokens
Max output
64K tokens
Input $ / 1M tokens
$0.83
Output $ / 1M tokens
$2.50
Cached input $ / 1M
$0.042
Each benchmark shown separately with its own source
Benchmark results (0)
No benchmark results recorded for this model.
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
API list price over time
Price history
$ per 1M tokens
2 observations (OpenRouter listing + Internet Archive snapshots). History accumulates with every ingest run; a single point means no change has been observed yet.
Events
- Open release32d agoTencent releases Hy4 previewOpenRouter models API