Sign in to rate this model. Ratings come from accounts that have run requests through Composite.
Specifications
Specifications and pricing as served by Composite
Model ID
tencent/hy4-preview
Provider
cv11
Context window
1,048,576 tokens
Accepts
text
Returns
text
Input price
$0.938 per million tokens
Output price
$2.81 per million tokens
Prompt caching
Supported — cached input is billed at the provider's cache rate, on credits and plans alike
Thinking
Optional - see "Tencent: Hy4 preview (Reasoning)" in the catalog to turn it on by default
Moderated
No
Cost on a monthly plan
About 8.3 plan credits per typical call (8k in, 1k out)
Routing endpoints
10 (base plus 9 routing variants)
Use Tencent: Hy4 preview in JanitorAI or SillyTavern
Make a Composite API key and type tencent/hy4-preview as the model name. JanitorAI takes the full URL https://composite.lucidity.sh/v1/chat/completions; SillyTavern, ChubAI, Agnai and RisuAI take https://composite.lucidity.sh/v1. It runs on credits, a plan, or your own provider key.
This model has not carried enough traffic on Composite yet to publish a success rate, a latency figure or a traffic rank. The numbers appear here once it has.
Routing variants
The same model behind 9 alternative endpoints. Call the id directly to pin a route; the base id above picks for you.
Route
Model ID
Provider
Price
Normal
tencent/hy4-preview-normal
cv11
$0.938 per million tokens input · $2.81 per million tokens output
Normal + cheapThink
tencent/hy4-preview-normal:cheapThink
cv11
$0.938 per million tokens input · $2.81 per million tokens output
Cheapest provider
tencent/hy4-preview:cheapest-provider
Tencent
$0.938 per million tokens input · $2.81 per million tokens output
Cheapest provider + cheapThink
tencent/hy4-preview:cheapest-provider:cheapThink
Tencent
$0.938 per million tokens input · $2.81 per million tokens output
cheapThink
tencent/hy4-preview:cheapThink
cv11
$0.938 per million tokens input · $2.81 per million tokens output
Fast
tencent/hy4-preview:fast
Tencent
$0.938 per million tokens input · $2.81 per million tokens output
Fast + cheapThink
tencent/hy4-preview:fast:cheapThink
Tencent
$0.938 per million tokens input · $2.81 per million tokens output
Quality
tencent/hy4-preview:quality
GMICloud
$1.04 per million tokens input · $3.13 per million tokens output
Quality + cheapThink
tencent/hy4-preview:quality:cheapThink
GMICloud
$1.04 per million tokens input · $3.13 per million tokens output
Pricing
$0.938 per million tokens input · $2.81 per million tokens output
Credits pay the provider’s price plus 25%; cache hits cost less.
On a monthly plan, a typical call (8k tokens in, 1k out) uses about 8.3 plan credits, at the provider's own price.
Provider
cv11
Roleplay fit
This model is available on Composite alongside dozens of others from other labs, so it is easy to compare against similar options.
Context behavior
With a 1,048,576-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.
Cost for regular use
It sits in the mid-range on price, a reasonable pick for regular roleplay use without going for the cheapest option available.
From the provider
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...