Model comparison

DeepSeek-V3.1 vs DeepSeek-V3.2-Exp

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.3 to 42.8 on the Noometry Index.

Last verified . 25 shared benchmarks.

DeepSeek-V3.1 DeepSeek

42.8

Rank #108 Confirmed

DeepSeek-V3.2-Exp DeepSeek

44.3

Rank #78 Confirmed

Summary

  • They share 25 benchmarks with published results for both. DeepSeek-V3.1 scores higher in 1 category and DeepSeek-V3.2-Exp in 7 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in long context, where DeepSeek-V3.2-Exp leads 47.6 to 36.3.
  • The biggest single-benchmark swing is Fiction.LiveBench: 52.8% for DeepSeek-V3.1 and 83.3% for DeepSeek-V3.2-Exp.
  • DeepSeek-V3.2-Exp is cheaper at $0.26 / $0.38 per million input/output tokens, against $0.25 / $0.95 for DeepSeek-V3.1.

Side by side

DeepSeek-V3.1 and DeepSeek-V3.2-Exp specifications
DeepSeek-V3.1DeepSeek-V3.2-Exp
ProviderDeepSeekDeepSeek
Noometry Index42.844.3
Released2025-08-212025-09-29
WeightsOpenOpen
Context window164K164K
Max output8K66K
Input $ / M tokens$0.25$0.26
Output $ / M tokens$0.95$0.38
Results tracked2749

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Category by category

Coding DeepSeek-V3.2-Exp leads

DeepSeek-V3.1: 40.3 (#144), DeepSeek-V3.2-Exp: 46.5 (#65)

Coding benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
WeirdML38.4%39.5%
LMArena Coding14171454
SWE-bench Verified (bash only)—70%
Aider Polyglot—74.2%
LMArena WebDev—1362
SWE-bench Multilingual—59%
SciCode—38.9%

Agentic & Tool Use Not comparable

DeepSeek-V3.1: —, DeepSeek-V3.2-Exp: 32.7 (#59)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
Terminal-Bench—39.6%
APEX-Agents—21.3%
Berkeley Function Calling Leaderboard—56.7%
TheAgentCompany—42.9%
Vending-Bench 2—1,034

Reasoning DeepSeek-V3.1 leads

DeepSeek-V3.1: 27.9 (#110), DeepSeek-V3.2-Exp: 22.1 (#208)

Reasoning benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
Kagi LLM Benchmark53.2%52.2%
LMArena Hard Prompts14171434
DTBench82.7%87.7%
LMCA24.3%29.1%
Epoch Capabilities Index139.92146.27
ARC-AGI-2—4%
SimpleBench40%—
NYT Connections (extended)—36.7%
ARC-AGI-1—57%
CritPt—2.9%
Chess Puzzles—14%
Thematic Generalization—65%
ForecastBench58—

Math DeepSeek-V3.2-Exp leads

DeepSeek-V3.1: 38.9 (#122), DeepSeek-V3.2-Exp: 41.7 (#87)

Math benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
LMArena Math14201435
MathArena Final-Answer Competitions—57.7%
OTIS Mock AIME 2024-2025—87.8%
ProofBench—8%
FrontierMath (Feb 2025 set)—22.1%
FrontierMath Tier 4 (v1)—2.1%

Knowledge DeepSeek-V3.2-Exp leads

DeepSeek-V3.1: 43.7 (#90), DeepSeek-V3.2-Exp: 51.7 (#66)

Knowledge benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
Vectara Hallucination Rate5.5%5.3%
LMArena Expert14051436
GPQA Diamond—83.4%

Multilingual Too close to call

DeepSeek-V3.1: 51.6 (#106), DeepSeek-V3.2-Exp: 52.2 (#90)

Multilingual benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
LMArena Non-English14001409
LMArena Chinese14691461
LMArena French14471433
LMArena German14111440
LMArena Japanese13781374
LMArena Korean13371371
LMArena Russian14051424
LMArena Spanish14311440

Instruction Following Too close to call

DeepSeek-V3.1: 73.9 (#110), DeepSeek-V3.2-Exp: 74.5 (#93)

Instruction Following benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
LMArena Instruction Following14001413

Long Context DeepSeek-V3.2-Exp leads

DeepSeek-V3.1: 36.3 (#232), DeepSeek-V3.2-Exp: 47.6 (#16)

Long Context benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
Fiction.LiveBench52.8%83.3%
LMArena Longer Query14221428
CL-bench—13.2%
CL-bench Life—9.5%

Writing & Preference DeepSeek-V3.2-Exp leads

DeepSeek-V3.1: 60.3 (#98), DeepSeek-V3.2-Exp: 62.4 (#77)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3.1DeepSeek-V3.2-Exp
LMArena Text14201425
LMArena Creative Writing14011403
EQ-Bench Creative Writing14361515
LMArena Multi-Turn14081427

Frequently asked questions

Is DeepSeek-V3.1 better than DeepSeek-V3.2-Exp?

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.3 to 42.8 on the Noometry Index.

Which is cheaper, DeepSeek-V3.1 or DeepSeek-V3.2-Exp?

DeepSeek-V3.2-Exp is cheaper. It lists at $0.26 per million input tokens and $0.38 per million output tokens; DeepSeek-V3.1 lists at $0.25 and $0.95.

Is DeepSeek-V3.1 or DeepSeek-V3.2-Exp better for coding?

DeepSeek-V3.2-Exp scores higher on coding benchmarks: 46.5 versus 40.3 in the Noometry coding category.

Which has the bigger context window?

Both accept 164K tokens.

How many benchmarks do DeepSeek-V3.1 and DeepSeek-V3.2-Exp share?

25 benchmarks have published results for both models. DeepSeek-V3.1 has 27 scored results on Noometry and DeepSeek-V3.2-Exp has 49.

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