Model comparison

Claude 3.5 Haiku vs DeepSeek-V3.2-Exp

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.3 to 29.2 on the Noometry Index.

Last verified . 27 shared benchmarks.

Claude 3.5 Haiku Anthropic

29.2

Rank #315 Confirmed

DeepSeek-V3.2-Exp DeepSeek

44.3

Rank #78 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Claude 3.5 Haiku scores higher in 0 categories and DeepSeek-V3.2-Exp in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where DeepSeek-V3.2-Exp leads 51.7 to 18.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.3% for Claude 3.5 Haiku and 87.8% for DeepSeek-V3.2-Exp.
  • DeepSeek-V3.2-Exp has downloadable open weights; the other is API-only.

Side by side

Claude 3.5 Haiku and DeepSeek-V3.2-Exp specifications
Claude 3.5 HaikuDeepSeek-V3.2-Exp
ProviderAnthropicDeepSeek
Noometry Index29.244.3
Released2024-10-222025-09-29
WeightsProprietaryOpen
Context window—164K
Max output—66K
Input $ / M tokens—$0.26
Output $ / M tokens—$0.38
Results tracked4949

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Category by category

Coding DeepSeek-V3.2-Exp leads

Claude 3.5 Haiku: 32.9 (#265), DeepSeek-V3.2-Exp: 46.5 (#65)

Coding benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
Aider Polyglot28%74.2%
SciCode27.4%38.9%
WeirdML30.7%39.5%
LMArena Coding12861454
SWE-bench Verified (bash only)—70%
LMArena WebDev—1362
SWE-bench Multilingual—59%
BigCodeBench Instruct46.1%—
LiveBench Coding51.4%—
BigCodeBench Complete59%—
CadEval32%—

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

Claude 3.5 Haiku: 28.0 (#95), DeepSeek-V3.2-Exp: 32.7 (#59)

Agentic & Tool Use benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
Terminal-Bench—39.6%
APEX-Agents—21.3%
Berkeley Function Calling Leaderboard—56.7%
TheAgentCompany—42.9%
BALROG19.3%—
Vending-Bench 2—1,034

Reasoning DeepSeek-V3.2-Exp leads

Claude 3.5 Haiku: 17.7 (#290), DeepSeek-V3.2-Exp: 22.1 (#208)

Reasoning benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
CritPt0%2.9%
LMArena Hard Prompts12511434
DTBench56.7%87.7%
Epoch Capabilities Index127.15146.27
ARC-AGI-2—4%
Kagi LLM Benchmark—52.2%
NYT Connections (extended)—36.7%
ARC-AGI-1—57%
Chess Puzzles—14%
Thematic Generalization—65%
LiveBench Reasoning28.1%—
LiveBench Data Analysis48.5%—
LMCA—29.1%
LiveBench43.5%—

Math DeepSeek-V3.2-Exp leads

Claude 3.5 Haiku: 14.7 (#300), DeepSeek-V3.2-Exp: 41.7 (#87)

Math benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
OTIS Mock AIME 2024-20254.3%87.8%
LMArena Math12441435
FrontierMath (Feb 2025 set)0.3%22.1%
MathArena Final-Answer Competitions—57.7%
ProofBench—8%
Omni-MATH22.4%—
LiveBench Math35.5%—
MATH Level 546.4%—
FrontierMath Tier 4 (v1)—2.1%

Knowledge DeepSeek-V3.2-Exp leads

Claude 3.5 Haiku: 18.7 (#281), DeepSeek-V3.2-Exp: 51.7 (#66)

Knowledge benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
GPQA Diamond38.1%83.4%
LMArena Expert12081436
MMLU-Pro60.5%—
Confabulations36.7%—
Vectara Hallucination Rate—5.3%
GPQA (HELM)36.3%—
MMLU74.3%—

Multimodal Not comparable

Claude 3.5 Haiku: 26.8 (#117), DeepSeek-V3.2-Exp: —

Multimodal benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
LMArena Vision1092—
GeoBench34%—

Multilingual DeepSeek-V3.2-Exp leads

Claude 3.5 Haiku: 40.0 (#218), DeepSeek-V3.2-Exp: 52.2 (#90)

Multilingual benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
LMArena Non-English12381409
LMArena Chinese12291461
LMArena French12641433
LMArena German12371440
LMArena Japanese11751374
LMArena Korean11731371
LMArena Russian12531424
LMArena Spanish12611440

Instruction Following DeepSeek-V3.2-Exp leads

Claude 3.5 Haiku: 62.9 (#234), DeepSeek-V3.2-Exp: 74.5 (#93)

Instruction Following benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
LMArena Instruction Following12411413
LiveBench Instruction Following61.9%—
IFEval79.2%—

Long Context DeepSeek-V3.2-Exp leads

Claude 3.5 Haiku: 38.3 (#200), DeepSeek-V3.2-Exp: 47.6 (#16)

Long Context benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
LMArena Longer Query12611428
Fiction.LiveBench—83.3%
CL-bench—13.2%
CL-bench Life—9.5%

Writing & Preference DeepSeek-V3.2-Exp leads

Claude 3.5 Haiku: 42.7 (#234), DeepSeek-V3.2-Exp: 62.4 (#77)

Writing & Preference benchmarks
BenchmarkClaude 3.5 HaikuDeepSeek-V3.2-Exp
LMArena Text12551425
LMArena Creative Writing12331403
EQ-Bench Creative Writing11461515
LMArena Multi-Turn12651427
Short-Story Creative Writing73.5%—
WildBench76%—
LiveBench Language35.4%—

Frequently asked questions

Is Claude 3.5 Haiku better than DeepSeek-V3.2-Exp?

DeepSeek-V3.2-Exp is the stronger model overall, scoring 44.3 to 29.2 on the Noometry Index.

Is Claude 3.5 Haiku or DeepSeek-V3.2-Exp better for coding?

DeepSeek-V3.2-Exp scores higher on coding benchmarks: 46.5 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3.5 Haiku and DeepSeek-V3.2-Exp share?

27 benchmarks have published results for both models. Claude 3.5 Haiku has 49 scored results on Noometry and DeepSeek-V3.2-Exp has 49.

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