---
id: "tencent/hy4"
also: ["tencent/hy4-20261104", "tencent/Hy4", "vercel/tencent/hy4"]
card_usd_per_m: "0.417 in, 1.2505 out, at tencent/fp4"
cheapest_list_usd_per_m: "0.417 in, 1.2505 out, at tencent/fp4 on openrouter"
cheapest_effective_usd_per_m: "0.0417 in, 1.2505 out, at tencent on vercel"
context: 1048576
max_output: 65536
input: ["text", "image"]
output: ["text"]
released: "2026-11-04"
reasoning: ["high", "low", "none"]
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["include_reasoning", "max_completion_tokens", "max_tokens", "reasoning", "reasoning_effort", "response_format", "stop", "structured_outputs", "temperature", "tool_choice", "tools"]
endpoints: 2
gateways: "openrouter (1), vercel (1)"
no_training: 1
trains: 1
retains_prompts: 1
intelligence: 34.6000
---
# Tencent: Hy4

Tencent Hy4 is a text model for coding, reasoning, and agentic workflows. It supports tool calling, structured outputs, and prompt caching, with a 1M-token context window for tasks such as software engineering, document analysis, and office automation.