Hy3

The final Hy3 used product feedback to improve agents, coding, and output reliability.

CurrentReasoningCodingAgentOpen weights

MODEL NUMBER121

Specifications

Only published specifications are shown.

Total parameters

295B

Active parameters

21B

Architecture

MoE

Context

256K

Input modalities

Text

Output modalities

Text

Open weights

Yes

License

Apache-2.0

Status

Current

The final Hy3 used product feedback to improve agents, coding, and output reliability.

PreviousHy3 Preview295B · 256K ctx

CurrentHy3295B · 256K ctx

New capabilities Agent Professional work

Hybrid reasoningCodingAgentProfessional work

2026-07-06Open weights

Tencent formally launched and opened Hy3.

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