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Tencent · Language model

Hy3 preview

tencent/hy3-preview
  • Language
Released Apr 22, 2026

Hy3 preview is a high-efficiency Mixture-of-Experts model from Tencent designed for agentic workflows and production use. It supports configurable reasoning levels across disabled, low, and high modes, allowing it to...

Specifications

Context window
262,144 tokens
Max output
235,929 tokens
Input
text
Output
text
Reasoning effort
high, low, none
Tokenizer
Other

Supported parameters

Accepted by the model and forwarded as-is by the gateway.

  • max_tokens
  • reasoning
  • reasoning_effort
  • seed
  • temperature
  • tool_choice
  • tools
  • top_p

Use it

POST /api/v1/chat/completions · MCP chat · full reference

curl https://omnirail.org/api/v1/chat/completions \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"tencent/hy3-preview","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'