Hy4 Preview is Tencent's language model with a 1.0M context window and up to 64K output tokens, available from 2 providers, starting at $0.834 / 1M input and $2.50 / 1M output. A mixture-of-experts large language model from Tencent with 49B active parameters out of 770B total, designed for coding agents, complex tool-use workflows, and productivity tasks.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities5/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema✓
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
| $0.834 | $2.50 | $0.042 | |
| $0.834 | $2.50 | $0.042 | |
Cost Calculator
US Dollar ($)
Preset:
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 |