Hy4 Preview
Hy4 Preview is Tencent's language model with a 1.0M context window and up to 64K output tokens, available from 4 providers, starting at $0.834 / 1M input and $2.50 / 1M output. A mixture-of-experts large language model from Tencent with 49B active parameters out of 770B total, designed for coding agents, complex tool-use workflows, and productivity tasks.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities6/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema✓
Web Search✓
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
| $0.845 | $2.54 | $0.0423 | |
| $0.834 | $2.50 | N/A | |
| $0.834 | $2.50 | $0.042 | |
| $0.834 | $2.50 | $0.042 | |
Cost Calculator
US Dollar ($)
Preset:
Cheapest Instances to Run It
Cloud GPU instances that can host Hy4 Preview, ranked by cheapest on-demand price. The model needs about 1872 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.
All clouds
FP16 (full precision)
US Dollar ($)
Instance | Cloud | GPU | VRAM | Price | Cheapest region |
|---|---|---|---|---|---|
| p6-b300.48xlarge |  AWS | 8× B300 | 2149 GB | $142.42/hr |
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Hy4 Preview | 1.0M | $0.834 | $2.50 | Current | |
| Hy 3 | 262K | $0.132 | $0.528 | Available |