Hy3-preview vs Gemini 3 Flash Preview

API pricing, benchmark indices and specs — updated 19 October 2026.

tencent · A · Open weights
Params
298.8 B
Context
262,144
30d
85 K
google · B · API-only
Input / 1M
$0.50
Output / 1M
$3.00
AA index
26.3
proprietary · 1M context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Hy3-preview Gemini 3 Flash Preview
Deployment Open weights · also via API API-only (closed weights)
Parameters 298.8 B n/a — API-only
Architecture HYV3ForCausalLM n/a — API-only
Context length 262,144 1,048,576
Licence other Proprietary
Commercial use Unknown Per API terms
Languages — n/a — API-only
Downloads 30d 84,611 n/a — API-only
Downloads all time 491 K n/a — API-only
Quantizations on the Hub SAFETENSORS n/a — API-only
Gated No n/a — API-only
First seen on the Hub 2026-04-13 n/a — API-only
API input price / 1M tokens $0.18 $0.50
API output price / 1M tokens $0.60 $3.00
Est. cost per 1M input + 1M output tokens $0.78 $3.50
Cached input / 1M tokens $0.06 $0.05
AA Intelligence Index 25.3 26.3
AA Coding Index 58.8 —
AA Agentic Index 24.1 —
Max output tokens 235,929 65,536
API providers 1 2
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

Hy3-preview $0.78
Gemini 3 Flash Preview $3.50

Hy3-preview is 4.5× cheaper at list price.

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

Hy3-preview · fp16 @ 256K ctx 2,092.0 GB / 24 GB
❌ Won’t fit

Adjacent comparisons