Model comparison

DeepSeek-V3.2-Exp vs GPT-4.5

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.3 to 37.2 on the Noometry Index.

Last verified . 25 shared benchmarks.

DeepSeek-V3.2-Exp DeepSeek

44.3

Rank #78 Confirmed

GPT-4.5 OpenAI

37.2

Rank #208 Confirmed

Summary

  • They share 25 benchmarks with published results for both. DeepSeek-V3.2-Exp scores higher in 8 categories and GPT-4.5 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 OTIS Mock AIME 2024-2025: 87.8% for DeepSeek-V3.2-Exp and 37.8% for GPT-4.5.
  • DeepSeek-V3.2-Exp has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V3.2-Exp and GPT-4.5 specifications
DeepSeek-V3.2-ExpGPT-4.5
ProviderDeepSeekOpenAI
Noometry Index44.337.2
Released2025-09-292025-02-27
WeightsOpenProprietary
Context window164K—
Max output66K—
Input $ / M tokens$0.26—
Output $ / M tokens$0.38—
Results tracked4942

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Category by category

Coding DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 46.5 (#65), GPT-4.5: 42.2 (#109)

Coding benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
Aider Polyglot74.2%44.9%
WeirdML39.5%39.4%
LMArena Coding14541396
SWE-bench Verified (bash only)70%—
LMArena WebDev1362—
SWE-bench Multilingual59%—
SciCode38.9%—
LiveBench Coding—75.2%

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

DeepSeek-V3.2-Exp: 32.7 (#59), GPT-4.5: 27.9 (#97)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
Terminal-Bench39.6%—
APEX-Agents21.3%—
Berkeley Function Calling Leaderboard56.7%—
TheAgentCompany42.9%—
Cybench—17.5%
Vending-Bench 21,034—

Reasoning DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 22.1 (#208), GPT-4.5: 13.9 (#330)

Reasoning benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
ARC-AGI-24%0.8%
ARC-AGI-157%10.3%
LMArena Hard Prompts14341403
Epoch Capabilities Index146.27136.74
SimpleBench—34.5%
Kagi LLM Benchmark52.2%—
NYT Connections (extended)36.7%—
CritPt2.9%—
Chess Puzzles14%—
EnigmaEval—3.2%
Thematic Generalization65%—
LiveBench Reasoning—71.1%
DTBench87.7%—
LiveBench Data Analysis—64.3%
LMCA29.1%—
ForecastBench—61.7
LiveBench—69%

Math DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 41.7 (#87), GPT-4.5: 32.6 (#211)

Math benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
OTIS Mock AIME 2024-202587.8%37.8%
LMArena Math14351412
MathArena Final-Answer Competitions57.7%—
ProofBench8%—
LiveBench Math—69.3%
MATH Level 5—78.6%
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), GPT-4.5: 32.5 (#211)

Knowledge benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
GPQA Diamond83.4%68.7%
LMArena Expert14361394
Humanity's Last Exam—5.4%
Confabulations—13.6%
Vectara Hallucination Rate5.3%—

Multimodal Not comparable

DeepSeek-V3.2-Exp: —, GPT-4.5: 37.6 (#71)

Multimodal benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
LMArena Vision—1195
VPCT—45%

Multilingual Too close to call

DeepSeek-V3.2-Exp: 52.2 (#90), GPT-4.5: 52.5 (#83)

Multilingual benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
LMArena Non-English14091413
LMArena Chinese14611421
LMArena French14331418
LMArena German14401457
LMArena Japanese13741416
LMArena Korean13711392
LMArena Russian14241419
LMArena Spanish1440—

Instruction Following DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 74.5 (#93), GPT-4.5: 72.6 (#134)

Instruction Following benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
LMArena Instruction Following14131404
LiveBench Instruction Following—72.3%

Long Context DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 47.6 (#16), GPT-4.5: 40.4 (#155)

Long Context benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
Fiction.LiveBench83.3%63.9%
LMArena Longer Query14281406
CL-bench13.2%—
CL-bench Life9.5%—

Writing & Preference DeepSeek-V3.2-Exp leads

DeepSeek-V3.2-Exp: 62.4 (#77), GPT-4.5: 56.9 (#134)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3.2-ExpGPT-4.5
LMArena Text14251417
LMArena Creative Writing14031394
EQ-Bench Creative Writing15151258
LMArena Multi-Turn14271444
Short-Story Creative Writing—75.6%
LiveBench Language—61.5%

Frequently asked questions

Is DeepSeek-V3.2-Exp better than GPT-4.5?

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.3 to 37.2 on the Noometry Index.

Is DeepSeek-V3.2-Exp or GPT-4.5 better for coding?

DeepSeek-V3.2-Exp scores higher on coding benchmarks: 46.5 versus 42.2 in the Noometry coding category.

How many benchmarks do DeepSeek-V3.2-Exp and GPT-4.5 share?

25 benchmarks have published results for both models. DeepSeek-V3.2-Exp has 49 scored results on Noometry and GPT-4.5 has 42.

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