Hy3 preview

Tool callingReasoning

Hugging Face Launch post Website

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

Context: 262K
Released: 5mo ago
Parameters: —
Input / 1M tokens: $0.18
Output / 1M tokens: $0.60
Cached input / 1M tokens: $0.06

Sources:models.devOpenRouter

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Other sourced evaluations appear below; missing scores are not zero.

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

No benchmark results have been matched to this model yet.

Specifications

Developer: Tencent
Model family: Hunyuan
Type: Language model
Predecessor: —
Successor: —
Released: April 20, 2026
Model ID: tencent/hy3-preview
Openness: Open weights
License: —
Parameters: —
Input modalities: text
Output modalities: text
Modality: text->text
Tokenizer: Other
Max output tokens: 236K
Hugging Face: tencent/Hy3-preview
Source freshness: Metadata synced Oct 8, 2026, 10:17 PM UTC

Additional source evidence

Source model: tencent/hy3-preview
Source family: Hy
Last updated: 2026-04-20
Model context: 256K
Model output limit: 64K
Open weights: Yes
File attachments: No
Reasoning: Yes
Tool calling: Yes
Temperature control: Yes

Downloadable weights

Hugging Face

Published benchmarks

Benchmark	Score	Evaluation details	Evidence
SWE-Bench Verified	74.4 · resolved	—	Source

Complete source record (JSON)

{
  "id": "tencent/hy3-preview",
  "name": "Hy3 preview",
  "description": "Tencent Hy reasoning model for coding, instruction following, and agent tasks",
  "family": "Hy",
  "last_updated": "2026-04-20",
  "attachment": false,
  "reasoning": true,
  "tool_call": true,
  "temperature": true,
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "limit": {
    "context": 256000,
    "output": 64000
  },
  "benchmarks": [
    {
      "name": "SWE-Bench Verified",
      "score": 74.4,
      "source": "https://huggingface.co/tencent/Hy3-preview",
      "metric": "resolved"
    }
  ],
  "release_date": "2026-04-20",
  "open_weights": true,
  "weights": [
    {
      "label": "Hugging Face",
      "url": "https://huggingface.co/tencent/Hy3-preview"
    }
  ]
}

Infrastructure

Provider availability

All providers

Provider	Endpoint	Context	Input /M tokens	Output /M tokens	Cached input /M tokens	Cache write /M tokens	Uptime 1d	Data handling
GMICloud	gmicloud/bf16	262K	$0.18	$0.60	$0.06	—	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-10-15

Provider data:OpenRouter

Deployment graph

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