Model comparison

Claude 3.5 Sonnet vs DeepSeek-V2.5 (Sep 2024)

DeepSeek-V2.5 (Sep 2024) is the stronger model overall, scoring 37.6 to 34.6 on the Noometry Index.

Last verified . 22 shared benchmarks.

Claude 3.5 Sonnet Anthropic

34.6

Rank #231 Confirmed

DeepSeek-V2.5 (Sep 2024) DeepSeek

37.6

Rank #200 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 5 categories and DeepSeek-V2.5 (Sep 2024) in 3 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where DeepSeek-V2.5 (Sep 2024) leads 35.9 to 19.2.
  • The biggest single-benchmark swing is Aider Polyglot: 51.6% for Claude 3.5 Sonnet and 17.8% for DeepSeek-V2.5 (Sep 2024).
  • DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.

Side by side

Claude 3.5 Sonnet and DeepSeek-V2.5 (Sep 2024) specifications
Claude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
ProviderAnthropicDeepSeek
Noometry Index34.637.6
Released2024-06-202024-09-06
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked6022

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Category by category

Coding Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 39.0 (#165), DeepSeek-V2.5 (Sep 2024): 31.7 (#281)

Coding benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
Aider Polyglot51.6%17.8%
BigCodeBench Instruct46.8%48.6%
LMArena Coding13421309
BigCodeBench Complete58.6%53.2%
HumanEval+81.7%83.5%
MBPP+74.3%74.1%
GSO4.6%—
WeirdML40%—
LiveBench Coding67.1%—
CadEval48%—

Agentic & Tool Use Not comparable

Claude 3.5 Sonnet: 32.3 (#67), DeepSeek-V2.5 (Sep 2024): —

Agentic & Tool Use benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
TheAgentCompany24%—
Cybench17.5%—
BALROG32.6%—
METR Time Horizons45.2%—

Reasoning DeepSeek-V2.5 (Sep 2024) leads

Claude 3.5 Sonnet: 23.1 (#183), DeepSeek-V2.5 (Sep 2024): 25.6 (#145)

Reasoning benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
LMArena Hard Prompts13051289
SimpleBench41.4%—
EnigmaEval0.9%—
LiveBench Reasoning56.7%—
DTBench67.8%—
LiveBench Data Analysis55%—
Epoch Capabilities Index133.55—
ForecastBench60.7—
LiveBench59%—

Math DeepSeek-V2.5 (Sep 2024) leads

Claude 3.5 Sonnet: 19.2 (#288), DeepSeek-V2.5 (Sep 2024): 35.9 (#177)

Math benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
LMArena Math13071288
OTIS Mock AIME 2024-20258.5%—
Omni-MATH27.6%—
LiveBench Math52.3%—
MATH Level 556.9%—
FrontierMath (Feb 2025 set)2.1%—
FrontierMath Tier 4 (v1)0%—

Knowledge DeepSeek-V2.5 (Sep 2024) leads

Claude 3.5 Sonnet: 28.6 (#245), DeepSeek-V2.5 (Sep 2024): 34.8 (#193)

Knowledge benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
LMArena Expert12651266
GPQA Diamond55.3%—
Humanity's Last Exam4.1%—
MMLU-Pro77.7%—
Confabulations19.9%—
GPQA (HELM)56.5%—
MMLU87.3%—

Multimodal Not comparable

Claude 3.5 Sonnet: 26.5 (#120), DeepSeek-V2.5 (Sep 2024): —

Multimodal benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
LMArena Vision1125—
Video-MME60%—
GeoBench62%—
VPCT33%—

Multilingual Too close to call

Claude 3.5 Sonnet: 43.2 (#185), DeepSeek-V2.5 (Sep 2024): 42.5 (#193)

Multilingual benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
LMArena Non-English12831273
LMArena Chinese12721318
LMArena French13051289
LMArena German12971258
LMArena Japanese12341228
LMArena Korean12001209
LMArena Russian13061289
LMArena Spanish12901248

Instruction Following Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 68.8 (#182), DeepSeek-V2.5 (Sep 2024): 67.5 (#194)

Instruction Following benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
LMArena Instruction Following12971280
LiveBench Instruction Following69.3%—
IFEval85.5%—

Long Context Too close to call

Claude 3.5 Sonnet: 39.9 (#167), DeepSeek-V2.5 (Sep 2024): 39.5 (#174)

Long Context benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
LMArena Longer Query13111301

Writing & Preference Claude 3.5 Sonnet leads

Claude 3.5 Sonnet: 52.9 (#164), DeepSeek-V2.5 (Sep 2024): 49.8 (#187)

Writing & Preference benchmarks
BenchmarkClaude 3.5 SonnetDeepSeek-V2.5 (Sep 2024)
LMArena Text12981294
LMArena Creative Writing12921285
LMArena Multi-Turn13261297
Short-Story Creative Writing80.3%—
EQ-Bench Creative Writing1451—
WildBench79.2%—
LiveBench Language53.8%—

Frequently asked questions

Is Claude 3.5 Sonnet better than DeepSeek-V2.5 (Sep 2024)?

DeepSeek-V2.5 (Sep 2024) is the stronger model overall, scoring 37.6 to 34.6 on the Noometry Index.

Is Claude 3.5 Sonnet or DeepSeek-V2.5 (Sep 2024) better for coding?

Claude 3.5 Sonnet scores higher on coding benchmarks: 39.0 versus 31.7 in the Noometry coding category.

How many benchmarks do Claude 3.5 Sonnet and DeepSeek-V2.5 (Sep 2024) share?

22 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and DeepSeek-V2.5 (Sep 2024) has 22.

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