Model comparison

GPT-5 Pro vs Hy3

GPT-5 Pro is the stronger model overall, scoring 46.4 to 44.2 on the Noometry Index. Hy3 costs 286× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

Last verified . 0 shared benchmarks.

GPT-5 Pro OpenAI

46.4

Rank #64 Confirmed

Hy3 Tencent

44.2

Rank #79 Confirmed

Summary

  • The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 40.8.
  • Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
  • GPT-5 Pro accepts more context: 400K tokens versus 262K.
  • Hy3 has downloadable open weights; the other is API-only.

Side by side

GPT-5 Pro and Hy3 specifications
GPT-5 ProHy3
ProviderOpenAITencent
Noometry Index46.444.2
Released2025-10-062026-07-06
WeightsProprietaryOpen
Context window400K262K
Max output272K128K
Input $ / M tokens$15$0.0825
Output $ / M tokens$120$0.33
Results tracked1219

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Category by category

Coding Hy3 leads

GPT-5 Pro: 44.0 (#80), Hy3: 46.8 (#63)

Coding benchmarks
BenchmarkGPT-5 ProHy3
LMArena WebDev—1508
WeirdML60.4%—
LMArena Coding—1464
AlgoTune1.31—

Reasoning GPT-5 Pro leads

GPT-5 Pro: 38.9 (#62), Hy3: 26.1 (#136)

Reasoning benchmarks
BenchmarkGPT-5 ProHy3
ARC-AGI-218.3%—
SimpleBench61.6%—
Kagi LLM Benchmark76.8%—
NYT Connections (extended)—41.2%
ARC-AGI-170.2%—
EnigmaEval18.8%—
LMArena Hard Prompts—1447
Epoch Capabilities Index150.28—

Math GPT-5 Pro leads

GPT-5 Pro: 48.5 (#63), Hy3: 40.1 (#93)

Math benchmarks
BenchmarkGPT-5 ProHy3
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 419.5%—
LMArena Math—1475
FrontierMath Tier 4 (v1)14.6%—

Knowledge GPT-5 Pro leads

GPT-5 Pro: 56.7 (#42), Hy3: 40.8 (#114)

Knowledge benchmarks
BenchmarkGPT-5 ProHy3
Humanity's Last Exam31.6%—
LMArena Expert—1460

Multilingual Not comparable

GPT-5 Pro: —, Hy3: 53.5 (#65)

Multilingual benchmarks
BenchmarkGPT-5 ProHy3
LMArena Non-English—1426
LMArena Chinese—1493
LMArena French—1461
LMArena German—1439
LMArena Japanese—1392
LMArena Korean—1395
LMArena Russian—1432
LMArena Spanish—1456

Instruction Following Not comparable

GPT-5 Pro: —, Hy3: 75.1 (#70)

Instruction Following benchmarks
BenchmarkGPT-5 ProHy3
LMArena Instruction Following—1426

Long Context Not comparable

GPT-5 Pro: —, Hy3: 44.1 (#75)

Long Context benchmarks
BenchmarkGPT-5 ProHy3
LMArena Longer Query—1442

Writing & Preference Not comparable

GPT-5 Pro: —, Hy3: 62.2 (#81)

Writing & Preference benchmarks
BenchmarkGPT-5 ProHy3
LMArena Text—1439
LMArena Creative Writing—1402
LMArena Multi-Turn—1436

Frequently asked questions

Is GPT-5 Pro better than Hy3?

GPT-5 Pro is the stronger model overall, scoring 46.4 to 44.2 on the Noometry Index. Hy3 costs 286× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

Which is cheaper, GPT-5 Pro or Hy3?

Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; GPT-5 Pro lists at $15 and $120.

Is GPT-5 Pro or Hy3 better for coding?

Hy3 scores higher on coding benchmarks: 46.8 versus 44.0 in the Noometry coding category.

Which has the bigger context window?

GPT-5 Pro does, with 400K tokens against 262K.

How many benchmarks do GPT-5 Pro and Hy3 share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Hy3 has 19.

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