tencent / text-generation Open weights Also via API updated 6 months ago

Hy3-preview

- Model Introduction - Highlights - Benchmark Results - STEM & Reasoning - Context Learning & Instruction Following - Code & Agent - News - Model Links - Quickstart - Deployment - vLLM - SGLang - Training - Quantization - License - Contact Us

Params
298.8 B
Context
262,144
Downloads 30d
85 K
Likes
313
Licence: other Not gated SAFETENSORS View on Hugging Face ↗

Download history

tracking started — chart appears after 7 days of snapshots (5 recorded)
85 K downloads in the last 30 days

Can you run it?

Estimated VRAM at 8K context unless noted. Pick your hardware to see the verdict per quantization.

FileQuantSizeEst. VRAMVerdict on RTX 4090 · 24 GB
model.safetensors bf16 597.6 GB 702.7 GB ❌ Won’t fit
model.safetensors (bf16, full) bf16 + 256K ctx 597.6 GB 2,092.0 GB ❌ Won’t fit
Estimate: file size × 1.1 + KV cache at 8K + 0.5 GB overhead. Not a benchmark — how we calculate this.

Run it

copy-paste, exact tags checked against the Hub
~ · curl · api/v1
$ curl -s https://aimodelscomparison.com/api/v1/models/hy3-preview
{
  "hf_id": "tencent/Hy3-preview",
  "params_b": 298.79,
  "context_length": 262144,
  "license": { "id": "other", "commercial": "unknown" },
  "downloads_30d": 84611,
  "vram_estimates": [
    { "quant": "bf16", "gb": 702.7 }
  ],
  "updated_at": "2026-10-19T06:02:58Z"
}
est. VRAM —on RTX 4090 · 24 GBJSON API →

Use via API

via OpenRouter · USD per 1M tokens · synced 2026-10-24
$0.18
input / 1M
$0.60
output / 1M
$0.06
cached input / 1M
$0.78
1M in + 1M out
Context window
262,144 tokens
Max output
235,929 tokens
Providers
1
Cheapest provider
GMICloud · $0.18 / $0.60
Best throughput
—
AA Intelligence / Coding / Agentic
25.3 / 58.8 / 24.1
✓ Tool calling ✓ Reasoning ✗ Structured outputs ✗ Image input ✗ File input ✗ Audio input ✓ Prompt caching

Specifications

Architecture
HYV3ForCausalLM
Parameters
298.8 B
Tensor type
BF16
Context length
262,144
Vocabulary
120,832
Layers / heads
80 / 64
Licence
other
First seen on the Hub
2026-04-13
Training datasets
undisclosed
Added to our catalog
2026-10-20
Compare with any text-generation model