Model comparison

Hy4 preview vs Nova 2 Lite

Hy4 preview is the stronger model overall, scoring 44.6 to 39.0 on the Noometry Index.

Last verified . 0 shared benchmarks.

Hy4 preview Tencent

44.6

Rank #73 Reported

Nova 2 Lite Amazon

39.0

Rank #161 Confirmed

Summary

  • The widest gap is in math, where Hy4 preview leads 54.5 to 34.8.
  • Nova 2 Lite is cheaper at $0.30 / $2.50 per million input/output tokens, against $0.83 / $2.50 for Hy4 preview.
  • Hy4 preview accepts more context: 1.05M tokens versus 1M.
  • Hy4 preview has downloadable open weights; the other is API-only.

Side by side

Hy4 preview and Nova 2 Lite specifications
Hy4 previewNova 2 Lite
ProviderTencentAmazon
Noometry Index44.639.0
Released2026-08-282025-12-01
WeightsOpenProprietary
Context window1.05M1M
Max output64K64K
Input $ / M tokens$0.83$0.30
Output $ / M tokens$2.50$2.50
Results tracked319

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Category by category

Coding Hy4 preview leads

Hy4 preview: 51.4 (#36), Nova 2 Lite: 40.1 (#131)

Coding benchmarks
BenchmarkHy4 previewNova 2 Lite
LMArena WebDev1633—
LMArena Coding—1386

Agentic & Tool Use Not comparable

Hy4 preview: —, Nova 2 Lite: 23.9 (#114)

Agentic & Tool Use benchmarks
BenchmarkHy4 previewNova 2 Lite
Berkeley Function Calling Leaderboard—27.1%

Reasoning Hy4 preview leads

Hy4 preview: 30.6 (#75), Nova 2 Lite: 26.4 (#120)

Reasoning benchmarks
BenchmarkHy4 previewNova 2 Lite
NYT Connections (extended)68.2%—
LMArena Hard Prompts—1364

Math Hy4 preview leads

Hy4 preview: 54.5 (#37), Nova 2 Lite: 34.8 (#154)

Math benchmarks
BenchmarkHy4 previewNova 2 Lite
ProofBench75%—
LMArena Math—1359

Knowledge Not comparable

Hy4 preview: —, Nova 2 Lite: 42.5 (#88)

Knowledge benchmarks
BenchmarkHy4 previewNova 2 Lite
Vectara Hallucination Rate—5.1%
LMArena Expert—1360

Multilingual Not comparable

Hy4 preview: —, Nova 2 Lite: 47.3 (#148)

Multilingual benchmarks
BenchmarkHy4 previewNova 2 Lite
LMArena Non-English—1337
LMArena Chinese—1364
LMArena French—1381
LMArena German—1343
LMArena Japanese—1273
LMArena Korean—1284
LMArena Russian—1343
LMArena Spanish—1372

Instruction Following Not comparable

Hy4 preview: —, Nova 2 Lite: 70.7 (#156)

Instruction Following benchmarks
BenchmarkHy4 previewNova 2 Lite
LMArena Instruction Following—1335

Long Context Not comparable

Hy4 preview: —, Nova 2 Lite: 40.6 (#145)

Long Context benchmarks
BenchmarkHy4 previewNova 2 Lite
LMArena Longer Query—1335

Writing & Preference Not comparable

Hy4 preview: —, Nova 2 Lite: 54.1 (#150)

Writing & Preference benchmarks
BenchmarkHy4 previewNova 2 Lite
LMArena Text—1362
LMArena Creative Writing—1291
LMArena Multi-Turn—1338

Frequently asked questions

Is Hy4 preview better than Nova 2 Lite?

Hy4 preview is the stronger model overall, scoring 44.6 to 39.0 on the Noometry Index.

Which is cheaper, Hy4 preview or Nova 2 Lite?

Nova 2 Lite is cheaper. It lists at $0.30 per million input tokens and $2.50 per million output tokens; Hy4 preview lists at $0.83 and $2.50.

Is Hy4 preview or Nova 2 Lite better for coding?

Hy4 preview scores higher on coding benchmarks: 51.4 versus 40.1 in the Noometry coding category.

Which has the bigger context window?

Hy4 preview does, with 1.05M tokens against 1M.

How many benchmarks do Hy4 preview and Nova 2 Lite share?

0 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Nova 2 Lite has 19.

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