Model comparison

DeepSeek-V2.5 (Sep 2024) vs Grok 4.3

Grok 4.3 is the stronger model overall, scoring 43.8 to 37.6 on the Noometry Index.

Last verified . 17 shared benchmarks.

DeepSeek-V2.5 (Sep 2024) DeepSeek

37.6

Rank #200 Confirmed

Grok 4.3 xAI

43.8

Rank #86 Confirmed

Summary

  • They share 17 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 0 categories and Grok 4.3 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 34.8.
  • DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V2.5 (Sep 2024) and Grok 4.3 specifications
DeepSeek-V2.5 (Sep 2024)Grok 4.3
ProviderDeepSeekxAI
Noometry Index37.643.8
Released2024-09-062026-04-17
WeightsOpenProprietary
Context window—1M
Max output—30K
Input $ / M tokens—$1.25
Output $ / M tokens—$2.50
Results tracked2240

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Category by category

Coding Grok 4.3 leads

DeepSeek-V2.5 (Sep 2024): 31.7 (#281), Grok 4.3: 41.6 (#121)

Coding benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Coding13091415
Aider Polyglot17.8%—
LMArena WebDev—1357
SciCode—47.3%
WeirdML—49.9%
BigCodeBench Instruct48.6%—
BigCodeBench Complete53.2%—
ALE-Bench—944.17
HumanEval+83.5%—
MBPP+74.1%—

Agentic & Tool Use Not comparable

DeepSeek-V2.5 (Sep 2024): —, Grok 4.3: 27.7 (#99)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
GDP.pdf—8%
LMArena Search—1165
Vending-Bench 2—35.26

Reasoning Grok 4.3 leads

DeepSeek-V2.5 (Sep 2024): 25.6 (#145), Grok 4.3: 35.9 (#68)

Reasoning benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Hard Prompts12891396
NYT Connections (extended)—55.2%
CritPt—8%
Chess Puzzles—25%
DTBench—90.7%
LMCA—38.3%
Epoch Capabilities Index—149.16
ForecastBench—60.3

Math Grok 4.3 leads

DeepSeek-V2.5 (Sep 2024): 35.9 (#177), Grok 4.3: 46.0 (#74)

Math benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Math12881388
FrontierMath (Tiers 1-3)—42.8%
FrontierMath Tier 4—14.6%
OTIS Mock AIME 2024-2025—93.3%
ProofBench—11%

Knowledge Grok 4.3 leads

DeepSeek-V2.5 (Sep 2024): 34.8 (#193), Grok 4.3: 52.5 (#62)

Knowledge benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Expert12661385
GPQA Diamond—88.8%
SimpleQA Verified—33.2%

Multimodal Not comparable

DeepSeek-V2.5 (Sep 2024): —, Grok 4.3: 31.6 (#104)

Multimodal benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Vision—1229
Blueprint-Bench 2—0%

Multilingual Grok 4.3 leads

DeepSeek-V2.5 (Sep 2024): 42.5 (#193), Grok 4.3: 50.5 (#120)

Multilingual benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Non-English12731385
LMArena Chinese13181422
LMArena French12891412
LMArena German12581395
LMArena Japanese12281379
LMArena Korean12091356
LMArena Russian12891399
LMArena Spanish12481398

Instruction Following Grok 4.3 leads

DeepSeek-V2.5 (Sep 2024): 67.5 (#194), Grok 4.3: 72.1 (#140)

Instruction Following benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Instruction Following12801366

Long Context Grok 4.3 leads

DeepSeek-V2.5 (Sep 2024): 39.5 (#174), Grok 4.3: 42.5 (#123)

Long Context benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Longer Query13011393

Writing & Preference Grok 4.3 leads

DeepSeek-V2.5 (Sep 2024): 49.8 (#187), Grok 4.3: 58.5 (#118)

Writing & Preference benchmarks
BenchmarkDeepSeek-V2.5 (Sep 2024)Grok 4.3
LMArena Text12941397
LMArena Creative Writing12851380
LMArena Multi-Turn12971406
EQ-Bench 4—1075

Frequently asked questions

Is DeepSeek-V2.5 (Sep 2024) better than Grok 4.3?

Grok 4.3 is the stronger model overall, scoring 43.8 to 37.6 on the Noometry Index.

Is DeepSeek-V2.5 (Sep 2024) or Grok 4.3 better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.6 versus 31.7 in the Noometry coding category.

How many benchmarks do DeepSeek-V2.5 (Sep 2024) and Grok 4.3 share?

17 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and Grok 4.3 has 40.

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