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Tencent Hunyuan

Hy4 preview

Tencent Hunyuan Hy4 preview. Official notice (carried by IT之家 2026-10-02): a text LLM with no multimodal ability yet, so a Hy4 preview call that needs image or video generation is switched to another model and billed normally. CodeBuddy CLI showed the 0.29x credit multiplier at 13:20 on 2026-10-28.

FTI
15–20

3 sources, 0 independent of the vendor: centre 18; the sources disagree widely, so shown as a band. Vendor claims only: low confidence.

how FTI is computed

3 sources · between #22 and #30 of the 72 with an FTI score
Contextnot checked
Imagesnoimage input
Free now1 of 1channels
Tested by us1 of 1channels measured

Where it's free now 1 channel tracked

CodeBuddy listed
end passed Oct 31
official Oct 31
works · Oct 28
Checked Oct 28 · catalogue

Free periods one bar per channel; markers are events

free so farpast announced endofficial end aheadinferred end aheadno end announcedended / not answering● event · ◆ end announced · tap one to see it

What happened newest first · times link to the source

Wed, Oct 286 days ago
listedHy4 preview · CodeBuddylisted
Added hy4-preview-codebuddy as listed: only the night window 23:00-08:00 (Beijing) carries a free quota, so the window itself is untested here. Daytime read the same day: the CLI model table served Hy4 preview at x0.29 and the model answered. The official notice adds that Hy4 preview is a text-only model, so an image or video sub-task it hands over to another model is billed normally
Source: IT之家 2026-10-02 (official 2026-09-30 notice) + own CodeBuddy CLI read (2026-10-28)
Fri, Oct 232 days ago
end date announcedHy3 · CodeBuddylive Hy4 preview · CodeBuddylisted
Tencent notice of 2026-09-30 evening (carried by IT之家 2026-10-02): Hy3 free and Hy4 preview night free (23:00 to 08:00 next day) are both extended to 2026-10-31. Because participation was very high, the daily free quota is distributed per user and requests enter a queue when that day's capacity is busy (the page shows the reset time). Users who had never opened Hy4 preview had to start their first Hy4 preview chat before 2026-10-10 23:59 to get 14 days of daily free quota from that day → end date Oct 31
Source: IT之家, reporting the official WorkBuddy announcement (read 2026-10-28)

Channel details

CodeBuddy listed✓ humans✕ agents

Tested by us
works · Oct 28
ⓘCLI 13:20 answered; x0.29 multiplier (daytime = paid) · checked Oct 28
Model ID
hy4-preview
To start
$0 · account Tencent Buddy AI personal account, CN site (workbuddy.cn / codebuddy.cn, WeChat or phone sign-in); 体验版 500 credits/month, no card. The pricing page lists CLI access as a paid-tier feature (体验版 shows -), yet the CLI answered on a 体验版 account on 2026-10-28 (限免 period)
Use it
CLI onlyhuman only
Free condition
Inside the official CodeBuddy / WorkBuddy clients, CN site: Hy3 runs at a 0.00x credit multiplier (limited-time free), Hy4 preview is free only 23:00-08:00 Beijing; other models deduct credits at the multiplier the client shows; free quota only 23:00-08:00 Beijing (idle night window), limited-time
Limit (stated)
published
ⓘ官方公告经媒体转述：仅夜间时段、每日分配、繁忙排队
Started
Hy4 preview launched 2026-08-28 with a two-week free window to 09-10, then the night-only free offer; first night not recorded
End
end passed Oct 31 official Oct 31official 2026-09-30 announcement (carried by IT之家 2026-10-02): night free to 2026-10-31
Data policy
not checked
Channel type
agent tool
Checked
Oct 28 · catalogue