Hy-BrowseComp-Pro2
Tencent Hy4 preview 56.1% In use Search agents answer hard browsing questions in a Tencent in-house set named after BrowseComp. Task and scoring details are not published.
Not an OpenAI release. Tencent runs it with its internal harness.
Made by Tencent Hy team Released Aug 2026 Deep research Tasks kept private Last in a launch post Aug 2026
Last model added Aug 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
- Agent task Many steps in a terminal, browser, desktop, app, game or robot.
1
Model scored in lab cards
1
Launch post lists it, from 1 lab
Tencent Hy4 preview leads with 56.1%
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 Hy4 preview | 56.1% | Aug 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
One lab put it in a launch post in the last six months
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 |
|---|---|---|---|
| 28 Aug 2026 | Tencent Hy4 preview | 56.1 | Hy-BrowseComp-Pro2 (Internal) |
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