Noometry

Model comparison

Claude Opus 4.8 vs Hy3

Claude Opus 4.8 is the stronger model overall, scoring 60.7 to 44.2 on the Noometry Index. Hy3 costs 69× less per token, which makes it the better buy when Claude Opus 4.8's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

Claude Opus 4.8 Anthropic

60.7

Rank #13 Confirmed

Hy3 Tencent

44.2

Rank #79 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude Opus 4.8 scores higher in 8 categories and Hy3 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.8 leads 64.7 to 26.1.
  • The biggest single-benchmark swing is NYT Connections (extended): 91.1% for Claude Opus 4.8 and 41.2% for Hy3.
  • Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $5 / $25 for Claude Opus 4.8.
  • Claude Opus 4.8 accepts more context: 1M tokens versus 262K.
  • Hy3 has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.8Hy3
ProviderAnthropicTencent
Noometry Index60.744.2
Released2026-05-282026-07-06
WeightsProprietaryOpen
Context window1M262K
Max output128K128K
Input $ / M tokens$5$0.0825
Output $ / M tokens$25$0.33
Results tracked6519

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Claude Opus 4.8 leads

Claude Opus 4.8: 59.9 (#12), Hy3: 46.8 (#63)

BenchmarkClaude Opus 4.8Hy3
LMArena WebDev15561508
LMArena Coding14901464
DeepSWE59%—
FrontierCode46.5%—
SciCode53.5%—
GSO47.1%—
WeirdML82.9%—
ALE-Bench1,564—

Agentic & Tool Use Not comparable

Claude Opus 4.8: 47.6 (#11), Hy3: —

BenchmarkClaude Opus 4.8Hy3
APEX-Agents48.9%—
OSWorld 2.020.6%—
Remote Labor Index8.3%—
τ²-bench Banking39.7%—
DeepResearch Bench50.2%—
PostTrainBench33.8%—
GBAEval70.9%—
GDP.pdf24%—
LMArena Search1204—
Vending-Bench 25,787—

Reasoning Claude Opus 4.8 leads

Claude Opus 4.8: 64.7 (#16), Hy3: 26.1 (#136)

BenchmarkClaude Opus 4.8Hy3
NYT Connections (extended)91.1%41.2%
LMArena Hard Prompts14821447
ARC-AGI-272.1%—
SimpleBench64.8%—
Kagi LLM Benchmark88.8%—
ARC-AGI-192.5%—
CritPt20.9%—
Chess Puzzles34%—
EnigmaEval23.5%—
EBR-Bench28.6%—
Mystery Game Puzzles36%—
DTBench94.9%—
LMCA57.5%—
Surface Evolver Bench87.5%—
Bench to the Future 30.14—
Epoch Capabilities Index158.21—
ForecastBench59.9—

Math Claude Opus 4.8 leads

Claude Opus 4.8: 78.4 (#13), Hy3: 40.1 (#93)

BenchmarkClaude Opus 4.8Hy3
LMArena Math14871475
FrontierMath (Tiers 1-3)80%—
FrontierMath Tier 456.1%—
MathArena Final-Answer Competitions91.8%—
OTIS Mock AIME 2024-202598.3%—
ProofBench69%—
FrontierMath (Feb 2025 set)47.2%—
FrontierMath Tier 4 (v1)31.3%—

Knowledge Claude Opus 4.8 leads

Claude Opus 4.8: 61.3 (#29), Hy3: 40.8 (#114)

BenchmarkClaude Opus 4.8Hy3
LMArena Expert15021460
GPQA Diamond91%—
SimpleQA Verified53%—

Multimodal Not comparable

Claude Opus 4.8: 42.9 (#26), Hy3: —

BenchmarkClaude Opus 4.8Hy3
LMArena Vision1294—
Blueprint-Bench 214.5%—
Furniture Assembly42.5%—
LMArena Document1475—

Multilingual Claude Opus 4.8 leads

Claude Opus 4.8: 55.2 (#33), Hy3: 53.5 (#65)

BenchmarkClaude Opus 4.8Hy3
LMArena Non-English14501426
LMArena Chinese15071493
LMArena French14811461
LMArena German14721439
LMArena Japanese14401392
LMArena Korean14321395
LMArena Russian14741432
LMArena Spanish14661456

Instruction Following Claude Opus 4.8 leads

Claude Opus 4.8: 77.4 (#24), Hy3: 75.1 (#70)

BenchmarkClaude Opus 4.8Hy3
LMArena Instruction Following14761426

Long Context Claude Opus 4.8 leads

Claude Opus 4.8: 45.4 (#35), Hy3: 44.1 (#75)

BenchmarkClaude Opus 4.8Hy3
LMArena Longer Query14831442

Writing & Preference Claude Opus 4.8 leads

Claude Opus 4.8: 72.0 (#16), Hy3: 62.2 (#81)

BenchmarkClaude Opus 4.8Hy3
LMArena Text14611439
LMArena Creative Writing14541402
LMArena Multi-Turn14761436
EQ-Bench Creative Writing1840—
EQ-Bench 41281—

Frequently asked questions

Is Claude Opus 4.8 better than Hy3?

Claude Opus 4.8 is the stronger model overall, scoring 60.7 to 44.2 on the Noometry Index. Hy3 costs 69× less per token, which makes it the better buy when Claude Opus 4.8's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.8 or Hy3?

Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; Claude Opus 4.8 lists at $5 and $25.

Is Claude Opus 4.8 or Hy3 better for coding?

Claude Opus 4.8 scores higher on coding benchmarks: 59.9 versus 46.8 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4.8 does, with 1M tokens against 262K.

How many benchmarks do Claude Opus 4.8 and Hy3 share?

19 benchmarks have published results for both models. Claude Opus 4.8 has 65 scored results on Noometry and Hy3 has 19.

Related comparisons

Go deeper