Hy-Backend
Tencent Hy3 preview 54.7% Fading Coding agents complete Tencent in-house backend development tasks. Task and scoring details are not published.
Hy3 preview scored 54.7 here, but 12.2 on Hy-Backend 2.0, so the versions are not comparable.
Made by Tencent Hy team Released Apr 2026 Fixing real repositories Tasks kept private Last in a launch post Apr 2026 , dropped for a newer version
Last model added Apr 2026
- Level
- Expert Specialists with years of training, often over hours of work
- Scored
- Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
- Answers
- Code A program or patch run against tests.
1
Model scored in lab cards
1
Launch post lists it, from 1 lab
Tencent Hy3 preview leads with 54.7%
Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | Tencent Hy3 preview | 54.7% | Apr 2026 | Model card |
Scores over time
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Reported by the lab in its model card
Labs headline it less often now, last in Apr 2026
Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.
| Date | Launch post | Score | As the post writes it |
|---|---|---|---|
| 23 Apr 2026 | Tencent Hy3 preview | 54.7 | Hy-Backend (internal) |
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