Noometry

Model comparison

DeepSeek V4.1 Flash vs Nova 2 Lite

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 39.0 on the Noometry Index.

Last verified . 14 shared benchmarks.

DeepSeek V4.1 Flash DeepSeek

50.3

Rank #40 Confirmed

Nova 2 Lite Amazon

39.0

Rank #161 Confirmed

Summary

  • They share 14 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 7 categories and Nova 2 Lite in 1 category; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 46.2 to 26.4.
  • DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.30 / $2.50 for Nova 2 Lite.
  • DeepSeek V4.1 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4.1 FlashNova 2 Lite
ProviderDeepSeekAmazon
Noometry Index50.339.0
Released2026-09-092025-12-01
WeightsOpenProprietary
Context window1M1M
Max output393K64K
Input $ / M tokens$0.15$0.30
Output $ / M tokens$0.60$2.50
Results tracked2519

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Category by category

Coding DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 52.8 (#29), Nova 2 Lite: 40.1 (#131)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
LMArena Coding15111386
LMArena WebDev1620—
SciCode51.9%—
ALE-Bench1,092—

Agentic & Tool Use Not comparable

DeepSeek V4.1 Flash: —, Nova 2 Lite: 23.9 (#114)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
Berkeley Function Calling Leaderboard—27.1%

Reasoning DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 46.2 (#39), Nova 2 Lite: 26.4 (#120)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
LMArena Hard Prompts14851364
NYT Connections (extended)89.6%—
CritPt14.3%—
DTBench89.9%—
LMCA47%—
Surface Evolver Bench46.3%—
Epoch Capabilities Index155.01—

Math DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 48.4 (#52), Nova 2 Lite: 34.8 (#154)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
LMArena Math14931359
ProofBench54%—

Knowledge Too close to call

DeepSeek V4.1 Flash: 41.6 (#97), Nova 2 Lite: 42.5 (#88)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
LMArena Expert15051360
Vectara Hallucination Rate—5.1%

Multilingual DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 55.5 (#29), Nova 2 Lite: 47.3 (#148)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
LMArena Non-English14521337
LMArena Chinese15061364
LMArena French14481381
LMArena Russian14731343
LMArena Spanish14991372
LMArena German—1343
LMArena Japanese—1273
LMArena Korean—1284

Instruction Following DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 77.6 (#24), Nova 2 Lite: 70.7 (#156)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
LMArena Instruction Following14751335

Long Context DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 45.2 (#46), Nova 2 Lite: 40.6 (#145)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
LMArena Longer Query14761335

Writing & Preference DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 65.8 (#43), Nova 2 Lite: 54.1 (#150)

BenchmarkDeepSeek V4.1 FlashNova 2 Lite
LMArena Text14651362
LMArena Creative Writing14361291
LMArena Multi-Turn14601338
EQ-Bench Creative Writing1540—

Frequently asked questions

Is DeepSeek V4.1 Flash better than Nova 2 Lite?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 39.0 on the Noometry Index.

Which is cheaper, DeepSeek V4.1 Flash or Nova 2 Lite?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Nova 2 Lite lists at $0.30 and $2.50.

Is DeepSeek V4.1 Flash or Nova 2 Lite better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 40.1 in the Noometry coding category.

Which has the bigger context window?

Both accept 1M tokens.

How many benchmarks do DeepSeek V4.1 Flash and Nova 2 Lite share?

14 benchmarks have published results for both models. DeepSeek V4.1 Flash has 25 scored results on Noometry and Nova 2 Lite has 19.

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