Hy4 preview

Aug 2026
Hy4 preview
Compare in
on
—per task?
$0.83 / $2.50per 1M in / outcache $0.042
—output speed?
1Mcontext

Ranking?

Alternatives?

Run it yourself

estimate
Fits on✗ 8 GB (phone, laptop)✗ 16 GB✗ 24 GB GPU✗ 48 GB GPU✗ 80 GB GPU
LicenceApache-2.0free for commercial use

Benchmarks

all categories
Chat & Knowledge
Coding
WebDev Arena≈1,631#17

FAQ

How much does Hy4 preview cost?›

$0.83 per 1M input tokens and $2.50 per 1M output tokens; cached input $0.042 per 1M.

Is Hy4 preview free to use?›

There is no free API; the cheapest paid price is $0.83 per 1M input tokens. The weights are open, so you can run it yourself.

How good is Hy4 preview, and what is it best at?›

#42 of 89 in Chat & Knowledge, #17 of 97 in Coding.

Is Hy4 preview better than o3?›

On Vals LegalBench, Hy4 preview scores 83.8 vs 83.8 — about the same.

How can I use Hy4 preview?›

Through the API of DeepInfra, Novita, SiliconFlow, Tencent.

What is the context window of Hy4 preview?›

1M tokens, with up to 64K output tokens.

When was Hy4 preview released? Is there a newer version?›

Released 2026-08-27. It is the current version in its line.

Is Hy4 preview open source?›

Yes, the weights are open (Apache-2.0 licence).

Can I run Hy4 preview locally?›

The weights are open and can be self-hosted; hardware needs are not confirmed yet.

Can Hy4 preview read images?›

No, it accepts text only.

What is Hy4 preview?›

Hy4 preview is an open-weights language model from Tencent, released Aug 2026.

What are the best alternatives to Hy4 preview?›

Gemini 3 Flash Preview (cheaper), Claude Fable 5 (better), MiniMax M3 (open weights).