> Hy3 preview is an open-weights AI model from Tencent, released 23 Apr 2026. API price $0.18 in / $0.60 out per million tokens, 262K context.

[Models](https://themodelindex.org/models/) /[Tencent](https://themodelindex.org/labs/tencent/)

# Hy3 preview

Tencent

Released 23 Apr 2026

Open

Date verified

[Compare](https://themodelindex.org/compare/hy3-preview-vs-gpt-5-5/) [Announcement](https://huggingface.co/tencent/Hy3-preview)

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Index score

Not yet evaluated independently

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Core tests taken

no independent results yet

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Versus the frontier at release

Replaced by [Hy4 preview](https://themodelindex.org/models/hy4-preview/)

$0.18/ $0.60

Price per million tokens

input / output, list price

262K

Context window

tokens it reads at once

## Where it sits · on the frontier

_Chart: Model Index score of every scored model since late 2022, with the best closed and best open model over time_

Not plotted: no index score yet.

## Test results · by area · tick = best by any model

Reasoning & knowledge

no evidence yet

GPQA Diamond

no result

Humanity's Last Exam

no result

Maths

no evidence yet

FrontierMath T1-3

no result

Coding

no evidence yet

SWE-bench Verified

no result

Terminal-Bench

no result

Agents

no evidence yet

APEX-Agents

no result

Novel problems

no evidence yet

ARC-AGI-2

no result

Long tasks

no evidence yet

METR time horizon

no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

## What others say · rank on each leaderboard

Not on any of the rankings we follow yet.

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

## Best at · top three among current models

Replaced by Hy4 preview; it no longer leads any category among current models.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

## Facts and sources

Released

23 Apr 2026

Announcement

[huggingface.co ↗](https://huggingface.co/tencent/Hy3-preview)

Release entry

Hy3 preview

Scored as

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Artificial Analysis index

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Output speed

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Hugging Face

[tencent/Hy3-preview ↗](https://huggingface.co/tencent/Hy3-preview)

## Tencent releases · around this one

Hunyuan-T1

Closed

21 MAR 2025

Hunyuan-A13B

Open

27 JUN 2025

Hy3 preview

Open

23 APR 2026

Hy4 preview

Open

28 AUG 2026

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Source: https://themodelindex.org/models/hy3-preview/ · The Model Index · data as of 2026-10-01