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Hy3 preview
Hy3 preview

Open WeightsChat & ReasoningtextUpdated April 20, 2026
Some details or benchmark scores on this page are self-reported by developers and unconfirmed.

Hy3 preview

📌 Model Overview

Tencent Hy reasoning model for coding, instruction following, and agent tasks

Hy3 preview is a Open Weights model developed by Tencent, released on 2026-04-20. It is designed primarily for Chat Reasoning workloads. Featuring a 256K tokens context window and Undisclosed parameter count, it offers robust performance for enterprise integration, developers, and researchers.


✨ Key Features & Capabilities

Specification Table
FeatureDescription
Context Window256K tokens capacity for extended prompts and multi-turn workflows
Primary TaskOptimized for Chat Reasoning
Deploymentself-hostable, api-only
Modalitytext
Max OutputMax Output: 64K tokens
Native reasoning capabilityNative reasoning capability
Tool / function calling supportTool / function calling support

⚙️ Technical Specifications

Specification Table
SpecificationDetails
Developer / LabTencent
Release Date2026-04-20
Model TypeOpen Weights
ParametersUndisclosed
Context Window256K tokens
Licenseproprietary
Model FamilyHy

📊 Benchmarks & Performance

Specification Table
BenchmarkScoreSource
SWE-Bench Verified74.4%Independent Eval

💰 Pricing

Specification Table
Tier / UnitRate (USD)
1M input tokens$0.19
1M output tokens$0.63
1M cache read tokens$0.063

🔗 Resources & Links

Specification Table

📜 License & Usage

This model is governed by the proprietary license. Please check official developer guidelines before commercial deployment.

Key Features

Max Output: 64K tokens

Feature 01

Native reasoning capability

Feature 02

Tool / function calling support

Feature 03

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Verified Sources

Tags

reasoningtool-callingopen-weights

Model Specs

open-weights

Parameters

Undisclosed

Context Window

256K tokens

License

proprietary

Deployment

self-hostableapi-only

Pricing

  • 1M input tokens$0.19
  • 1M output tokens$0.63
  • 1M cache read tokens$0.063

as of 2026-07-26

Resources & Links

Lineage

Model Family

Part of the Hy family

Only release in this line currently tracked.

Curator Notes

Skeleton entry imported from models.dev backfill (2026-07-26). Needs manual enrichment and primary-source verification.

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