Hy4 preview
by Tencenttext->text1 endpoint
Neura Intelligence Index
85.9/ 100
Rank
#21—
Confidence
mediumBenchmarks
5(13% coverage)
Overview
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 require planning, context continuity, and sustained multi-step execution.
Capabilities
Text generation
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
Stop sequences
Modalities
Input
Text
Output
Text
Technical Specifications
Context Window
1.0M tokens
Max Output
64K tokens
Tokenizer
Other
Uptime (24h)
9999.5%
Parameters
770000000000B
License
apache_2_0Open Weights
Country
🇨🇳CN
Release Date
August 28, 20263w
Supported Parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetools
Benchmark Performance
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-Bench Pro | 65.7 | verified |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 92.3 | verified |
agent
| Benchmark | Score | Source |
|---|---|---|
| MCP Atlas | 83.7 | verified |
| Toolathlon | 74.1 | verified |
| APEX Agents | 37.1 | verified |
Performance Over Time
Pricing
Per 1M tokens
Input$0.83
Output$2.50
Cache read$0.04
Added
August 28, 2026
Last synced 9/20/2026