Model comparison

DeepSeek-V3.2-Exp vs Gemini 2.5 Flash-Lite

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.3 to 37.0 on the Noometry Index. Gemini 2.5 Flash-Lite costs 1.7× less per token, which makes it the better buy when DeepSeek-V3.2-Exp's lead doesn't matter for your workload.

Last verified . 25 shared benchmarks.

DeepSeek-V3.2-Exp DeepSeek

44.3

Rank #78 Confirmed

Gemini 2.5 Flash-Lite Google

37.0

Rank #211 Confirmed

Summary

  • They share 25 benchmarks with published results for both. DeepSeek-V3.2-Exp scores higher in 8 categories and Gemini 2.5 Flash-Lite in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where DeepSeek-V3.2-Exp leads 51.7 to 32.5.
  • The biggest single-benchmark swing is Fiction.LiveBench: 83.3% for DeepSeek-V3.2-Exp and 47.2% for Gemini 2.5 Flash-Lite.
  • Gemini 2.5 Flash-Lite is cheaper at $0.10 / $0.40 per million input/output tokens, against $0.26 / $0.38 for DeepSeek-V3.2-Exp.
  • Gemini 2.5 Flash-Lite accepts more context: 1.05M tokens versus 164K.
  • DeepSeek-V3.2-Exp has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V3.2-Exp and Gemini 2.5 Flash-Lite specifications
DeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
ProviderDeepSeekGoogle
Noometry Index44.337.0
Released2025-09-292025-06-17
WeightsOpenProprietary
Context window164K1.05M
Max output66K66K
Input $ / M tokens$0.26$0.10
Output $ / M tokens$0.38$0.40
Results tracked4933

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Category by category

Coding DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 46.5 (#65), Gemini 2.5 Flash-Lite: 38.5 (#173)

Coding benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
WeirdML39.5%35.2%
LMArena Coding14541373
SWE-bench Verified (bash only)70%—
Aider Polyglot74.2%—
LMArena WebDev1362—
SWE-bench Multilingual59%—
SciCode38.9%—
ALE-Bench—325.9

Agentic & Tool Use DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 32.7 (#59), Gemini 2.5 Flash-Lite: 28.0 (#96)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
Berkeley Function Calling Leaderboard56.7%36.9%
Terminal-Bench39.6%—
APEX-Agents21.3%—
TheAgentCompany42.9%—
Vending-Bench 21,034—

Reasoning Too close to call

DeepSeek-V3.2-Exp: 22.1 (#208), Gemini 2.5 Flash-Lite: 22.2 (#205)

Reasoning benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
Kagi LLM Benchmark52.2%40.5%
LMArena Hard Prompts14341377
DTBench87.7%62.8%
LMCA29.1%18.1%
Epoch Capabilities Index146.27133.94
ARC-AGI-24%—
NYT Connections (extended)36.7%—
ARC-AGI-157%—
CritPt2.9%—
Chess Puzzles14%—
Thematic Generalization65%—

Math DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 41.7 (#87), Gemini 2.5 Flash-Lite: 38.0 (#144)

Math benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
LMArena Math14351373
MathArena Final-Answer Competitions57.7%—
OTIS Mock AIME 2024-202587.8%—
ProofBench8%—
Omni-MATH—48%
FrontierMath (Feb 2025 set)22.1%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 51.7 (#66), Gemini 2.5 Flash-Lite: 32.5 (#210)

Knowledge benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
Vectara Hallucination Rate5.3%3.3%
LMArena Expert14361373
GPQA Diamond83.4%—
MMLU-Pro—53.7%
GPQA (HELM)—30.9%

Multimodal Not comparable

DeepSeek-V3.2-Exp: —, Gemini 2.5 Flash-Lite: 29.1 (#114)

Multimodal benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
LMArena Vision—1198
VPCT—30%

Multilingual DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 52.2 (#90), Gemini 2.5 Flash-Lite: 49.3 (#134)

Multilingual benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
LMArena Non-English14091369
LMArena Chinese14611404
LMArena French14331388
LMArena German14401389
LMArena Japanese13741359
LMArena Korean13711360
LMArena Russian14241373
LMArena Spanish14401396

Instruction Following DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 74.5 (#93), Gemini 2.5 Flash-Lite: 70.0 (#168)

Instruction Following benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
LMArena Instruction Following14131367
IFEval—81%

Long Context DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 47.6 (#16), Gemini 2.5 Flash-Lite: 33.3 (#262)

Long Context benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
Fiction.LiveBench83.3%47.2%
LMArena Longer Query14281373
CL-bench13.2%—
CL-bench Life9.5%—

Writing & Preference DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 62.4 (#77), Gemini 2.5 Flash-Lite: 56.8 (#135)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3.2-ExpGemini 2.5 Flash-Lite
LMArena Text14251379
LMArena Creative Writing14031367
LMArena Multi-Turn14271366
EQ-Bench Creative Writing1515—
WildBench—81.8%

Frequently asked questions

Is DeepSeek-V3.2-Exp better than Gemini 2.5 Flash-Lite?

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.3 to 37.0 on the Noometry Index. Gemini 2.5 Flash-Lite costs 1.7× less per token, which makes it the better buy when DeepSeek-V3.2-Exp's lead doesn't matter for your workload.

Which is cheaper, DeepSeek-V3.2-Exp or Gemini 2.5 Flash-Lite?

Gemini 2.5 Flash-Lite is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; DeepSeek-V3.2-Exp lists at $0.26 and $0.38.

Is DeepSeek-V3.2-Exp or Gemini 2.5 Flash-Lite better for coding?

DeepSeek-V3.2-Exp scores higher on coding benchmarks: 46.5 versus 38.5 in the Noometry coding category.

Which has the bigger context window?

Gemini 2.5 Flash-Lite does, with 1.05M tokens against 164K.

How many benchmarks do DeepSeek-V3.2-Exp and Gemini 2.5 Flash-Lite share?

25 benchmarks have published results for both models. DeepSeek-V3.2-Exp has 49 scored results on Noometry and Gemini 2.5 Flash-Lite has 33.

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