tencent / text-generation Open weights Also via API updated 3 months ago

Hy3

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Params
298.8 B
Context
262,144
Downloads 30d
798 K
Likes
986
Commercial use: allowed apache-2.0 Not gated SAFETENSORS View on Hugging Face ↗

Download history

daily snapshots · 25 days
798 K188 K
Sep 29Oct 7Oct 15Oct 23

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
{
  "hf_id": "tencent/Hy3",
  "params_b": 298.79,
  "context_length": 262144,
  "license": { "id": "apache-2.0", "commercial": "yes" },
  "downloads_30d": 797888,
  "vram_estimates": [
    { "quant": "bf16", "gb": 702.7 }
  ],
  "updated_at": "2026-09-29T01:00:12Z"
}
est. VRAM —on RTX 4090 · 24 GBJSON API →

Use via API

via OpenRouter · USD per 1M tokens · synced 2026-10-23
$0.13
input / 1M
$0.53
output / 1M
$0.033
cached input / 1M
$0.66
1M in + 1M out
Price tiers
  • Daily 16:00–00:00 UTC: input $0.083/M, output $0.33/M (0.63× base)
Context window
262,144 tokens
Max output
128,000 tokens
Providers
5
Cheapest provider
Tencent · $0.13 / $0.53
Best throughput
—
AA Intelligence / Coding / Agentic
— / — / —
✓ 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
apache-2.0
First seen on the Hub
2026-07-02
Training datasets
undisclosed
Added to our catalog
2026-09-29
Compare with any text-generation model