Tencent Hy4 Preview

Hy4 Preview is Tencent's 770B-parameter mixture-of-experts model with 49B active parameters. It is designed for coding agents, complex tool-use workflows, and productivity tasks, with a 1M-token context window and configurable reasoning effort.

  • Reasoning
  • Tool Calling
  • Structured Output

Added Aug 28, 2026

Model weights

Pricing

Auto routing · per 1M tokens
Input
$0.83
Output
$2.50
Cache read
$0.042
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Specifications

Context window
1M
Max output
64K
Parameters
770B / 49B
Total / active
Avg output (7d)
982 tokens
Longer than 70% of models

Benchmarks

No public benchmark scores for this model yet.

Providers

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