Tencent Hy4 preview

Tencent Hy4 preview ranks first on 2 of the 64 benchmarks it has scores on.

Tencent Released 28 Aug 2026

Benchmarks with a score

Ranked first, out of five or more models

In the top three

Tencent Aug 2026

Open weights

No Epoch Capabilities Index score yet

Where it ranks

Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.

Benchmark	Score	Rank	Source
WideSearch	83.9%	#1 of 17	Model card
Humanity's Last Exam	55.4%	#22 of 147	Model card
Extended NYT Connections	68.2%	#55 of 97	Official leaderboard

Benchmark	Score	Rank	Source
GPQA Diamond	92.3%	#16 of 284	Model card
ProofBench	75%	#16 of 83	Epoch AI
MathArena (Apex, IMO, USAMO)	74.2%	#4 of 13	Model card
ProofBench v1.1	75%	#17 of 51	Official leaderboard
HorizonMath	8.80%	#1 of 3	Model card
CritPt	16.9%	#6 of 14	Model card
ExplorationBench	63.3%	#7 of 10	Official leaderboard
xbench-ScienceQA	69.8%	#21 of 29	Official leaderboard
ArXivMath	66.6%	#6 of 8	Model card
BioMysteryBench	71.3%	#6 of 8	Model card
BrokenArXiv	54.6%	#1 of 1	Model card

Benchmark	Score	Rank	Source
SWE-Bench Pro	65.7%	#11 of 77	Model card
SWE-bench Multilingual	82.9%	#10 of 70	Model card
Code Arena	1,631	#21 of 124	Official leaderboard
NL2Repo-Bench	58.9%	#5 of 28	Model card
Code Migration	47.4%	#14 of 78	Official leaderboard
Vibe Code Bench	77.5%	#34 of 115	Official leaderboard
Hy-SWE Max	64.2%	#1 of 3	Model card
SWE Atlas	58.4%	#4 of 11	Model card
IOI v2 (Vals)	59.3%	#18 of 45	Official leaderboard
Tencent WorkBuddy Bench	76.6%	#5 of 10	Official leaderboard
Hy-Backend 2.0	35.2%	#1 of 2	Model card
DeepSWE	64.3%	#29 of 51	Model card
Code Migration v1.1	45.4%	#19 of 29	Official leaderboard
SWE-Marathon	31.9%	#9 of 11	Model card
ProgramBench	17.5%	#20 of 20	Model card
PostTrainBench 1.1	35.6%	#2 of 2	Model card
Hy-CompanyBench V2	62.4%	#1 of 1	Model card

Benchmark	Score	Rank	Source
MCP Atlas	83.7%	#7 of 40	Model card
SkillsBench	62.9%	#3 of 13	Model card
Terminal-Bench 2.1	85.4%	#14 of 53	Model card
Long-Horizon-Terminal-Bench 2.0	53.2%	#5 of 15	Official leaderboard
Agent Arena	0.01	#25 of 53	Official leaderboard
AutomationBench	32.1%	#24 of 41	Model card
Toolathlon-Verified	74.1%	#8 of 13	Model card
DRACO	77.2%	#10 of 11	Model card
Hermes Bench	58.6%	#16 of 17	Official leaderboard
Harbor-Index	39.6%	#1 of 1	Model card
Hy-BrowseComp-Pro2	56.1%	#1 of 1	Model card
Hy-LifeSearch	49.2%	#1 of 1	Model card

Benchmark	Score	Rank	Source
$OneMillion-Bench	35.3%	#2 of 13	Official leaderboard
Public Benefits Bench	68.6%	#9 of 50	Official leaderboard
Legal Research Bench	45.2%	#20 of 88	Official leaderboard
Tax Agent Bench	32.6%	#18 of 79	Official leaderboard
Harvey LAB (Legal Agent Benchmark)	9.17%	#21 of 80	Official leaderboard
Vals Finance Agent v2	55.1%	#23 of 80	Official leaderboard
BankerToolBench	78.6%	#1 of 3	Model card
GDPval-AA v2	1,678	#9 of 26	Model card
LegalBench	83.8%	#50 of 138	Official leaderboard
Vals Legal Index	71.7%	#12 of 33	Official leaderboard
Vals Finance Index	57.5%	#14 of 35	Official leaderboard
APEX-Agents	37.1%	#5 of 12	Model card
MedScribe	83.6%	#43 of 98	Official leaderboard
Vals Finance Agent v2.1	61.6%	#16 of 35	Official leaderboard
MedCode	43.3%	#45 of 96	Official leaderboard
Excel Modeling Benchmark	58.1%	#38 of 76	Official leaderboard
JobBench	61.7%	#6 of 12	Model card
E-Bench (Tencent)	77.1%	#1 of 2	Model card
Excel Modeling Benchmark v1.1	69%	#21 of 37	Official leaderboard
OfficeQA Pro	66.2%	#8 of 14	Model card
Harvey LAB v1.1 (HLAB-Vals-1.1)	8.75%	#22 of 33	Official leaderboard
WorkSpaceBench	60.2%	#2 of 3	Model card
Vals Index v2.2	53.2%	#22 of 32	Official leaderboard
OR-License	66.5%	#8 of 10	Official leaderboard
Agents' Last Exam	22.8%	#23 of 25	Model card
E-Bench-Code (Tencent)	79%	#1 of 1	Model card
Hy-FinAgentBench	79.7%	#1 of 1	Model card
Hy-FinmodelBench v2	57%	#1 of 1	Model card

Benchmark	Score		Rank	Source
ScienceVision	0.16		#11 of 11	Official leaderboard

Benchmark	Score	Rank	Source
SUPERChem	66.4%	#1 of 5	Model card
CyberGym	78.4%	#19 of 33	Model card
CyberBench v1.1 (Vals)	65.4%	#28 of 43	Official leaderboard
SRE-Bench	2.29%	#22 of 33	Official leaderboard
CyberBench (Vals)	57.5%	#18 of 26	Official leaderboard
CWE-bench	53%	#10 of 12	Official leaderboard

Benchmark	Score		Rank	Source
Hermes Index	26.1		#16 of 17	Official leaderboard

The benchmarks the lab chose to headline, with the scores it gave.