Hy4 preview

Name: Hy4 preview
Brand: tencent
SKU: tencent/hy4-preview
Price: 0.876 USD
Availability: InStock

tencent/hy4-preview

text in · text out · 1,048,576 context · 64,000 max output

toolsschemareasoningcacheno-trainShow prices also in

Effective cost per 1k requestsInput tokens 2,000Output tokens 500Cached share 50%

cost = p_in·(input − cached) + p_cache_read·cached + p_out·output + p_req; cached tokens are the prefix a sticky endpoint already holds (part2b §9.3), which is why the cheapest list price is not always the cheapest request.

Provider	Region · quant	Context / max out	Input / M	Output / M	Cache read / write	Markup	Per 1k req	Uptime 30 d	TTFT p50 / p95	Throughput	Last 24 h	Fidelity	Data	Capabilities	Status
OpenRouter	global · unknown	1,048,576 / 64,000	$0.876	$2.626	$0.044 / —	+5.0%	$2.233	—	—	—	no traffic	—	no-train 30 d	model default	active

Quick start

curl https://api.ai.ml/v1/chat/completions \
  -H "Authorization: Bearer $AIML_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"tencent/hy4-preview","messages":[{"role":"user","content":"Say hello"}]}'

Get a key in the console

Changelog

new_model model tencent/hy4-preview added (active); endpoint ep_openrouter_hy4-preview_global (tencent/hy4-preview) added as active; price input 0.876 output 2.626 USD/M 10/5/2026