Model specification · Tencent

Hy4

tencent/hy4

The official release of Hy4 delivers comprehensive and substantial improvements over Hy4 Preview, with particularly strong gains in agentic capabilities and performance across a wide range of long-horizon, real-world productivity...

SpecificationsReported values
Context window
1.0M
Maximum output
66K
Architecture
text+image->text
Tokenizer
Other
Knowledge cutoff
—
Moderated
No
Input modalities
textimage
Output modalities
text
Full pricingUSD where reported
PriceStandard
Input$0.417 / M
Output$1.25 / M
Benchmark indexesReported indexes
Intelligence
34.6
Coding
—
Agentic
—
Design Arena Elo
1241
Example workload costsStandard pricing only
WorkloadInput / outputCache shareEstimated cost
Quick check10K / 1K × 10%$0.00542
Long analysis100K / 4K × 150%$0.027
Workday20K / 2K × 1,00030%$8.46