Hy4 preview
by Tencenttencent/hy4-preview
LLMCompare cannot run Hy4 preview yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.
See the models that can be run nowHy4 preview at a glance
- Context length
- 1,048,576 tokens
- Maximum output
- 64,000 tokens
- Accepts
- Text
- Returns
- Text
- Features
- ReasoningJSON outputTool callingPrompt caching
- Reasoning effort levels
highlownoneReasoning can be turned off.- Released
- 28 Aug 2026
- Knowledge cutoff
- Not published
Model facts synced from the OpenRouter model list on 21 Oct 2026.
Hy4 preview pricing by route
A route is the service LLMCompare calls to reach the model. Hy4 preview has 1 route. Prices are in US dollars.
| Route | On LLMCompare | Inputper 1M tokens | Outputper 1M tokens | Cache readper 1M tokens | Price verified on | Source |
|---|---|---|---|---|---|---|
| OpenRouterDefault | Not configured | $0.7506 | $2.25 | $0.0378 | openrouter.ai/tencent/hy4-preview |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to Hy4 preview costs. The starting numbers are examples. Change them to match your task.
Part of the input tokens above, billed at the cache read price.
Billed in addition to the output tokens.
- Cost per call
- $0.0019
- 3 credits
- Cost of 100 calls
- $0.1877
- 300 credits
Calculated from the OpenRouter prices verified on 21 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
These are the parameters LLMCompare can set when it calls the model through OpenRouter.
| Parameter | Type | Range or options | Default |
|---|---|---|---|
temperature | Number | 0 to 2in steps of 0.1 | Provider default |
top_p | Number | 0 to 1in steps of 0.05 | Provider default |
max_tokens | Integer | 1 to 64,000 | Provider default |
reasoning_effort | One of | highlownone | high |
seed | Integer | -2,147,483,648 to 4,294,967,295 | Provider default |
response_format | One of | textjson_object | Provider default |
About Hy4 preview
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...
Description as published for this model. LLMCompare has not edited it.
Models to compare with Hy4 preview
Text models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Context | Max output | Input priceper 1M tokens | Output priceper 1M tokens | Features | Released | On LLMCompare |
|---|---|---|---|---|---|---|---|---|
Hy3 previewTencenttencent/hy3-preview | 262k | 236k | $0.18 | $0.60 | ReasoningToolsCache | No route yet | ||
Hunyuan A13B InstructTencenttencent/hunyuan-a13b-instruct | 131k | 118k | $0.14 | $0.57 | JSON | No route yet | ||
Hy3Tencenttencent/hy3 | 262k | 128k | $0.0825 | $0.33 | ReasoningJSONToolsCache | No route yet | ||
Seed 2.1 TurboByteDance Seedbytedance-seed/seed-2-1-turbo | 262k | 236k | $0.50 | $2.50 | JSONToolsVision | No route yet | ||
Nemotron 3 UltraNVIDIAnvidia/nemotron-3-ultra-550b-a55b | 262k | 183k | $0.60 | $2.40 | ReasoningJSONToolsCache | No route yet | ||
Grok Build 0.1SpaceXAIx-ai/grok-build-0.1 | 256k | 230k | $1.00 | $2.00 | JSONToolsCacheVision | No route yet |
Questions about Hy4 preview
- How much does Hy4 preview cost?
- On the OpenRouter route, Hy4 preview costs $0.7506 per 1 million input tokens and $2.25 per 1 million output tokens, in US dollars. Input tokens that Hy4 preview reads from the prompt cache cost $0.0378 per 1 million tokens. LLMCompare verified this price on 21 Oct 2026.
- What is the context length of Hy4 preview?
- Hy4 preview has a context length of 1,048,576 tokens and returns up to 64,000 output tokens in one call.
- What inputs does Hy4 preview accept?
- Hy4 preview accepts these inputs: Text. Hy4 preview returns: Text.
- Which reasoning effort levels does Hy4 preview support?
- Hy4 preview supports these reasoning effort levels: high, low, none. Reasoning can be turned off for Hy4 preview.
- Can I test Hy4 preview on my own data?
- Not yet. LLMCompare lists the prices and parameters of Hy4 preview, but no route to Hy4 preview is configured on LLMCompare, so it cannot be selected for an evaluation.