Model comparison

Deepseek Coder v2 vs GPT-5.4

GPT-5.4 is the stronger model overall, scoring 59.4 to 35.9 on the Noometry Index.

Last verified . 17 shared benchmarks.

Deepseek Coder v2 DeepSeek

35.9

Rank #220 Confirmed

GPT-5.4 OpenAI

59.4

Rank #16 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Deepseek Coder v2 scores higher in 0 categories and GPT-5.4 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.4 leads 73.5 to 34.9.
  • Deepseek Coder v2 has downloadable open weights; the other is API-only.

Side by side

Deepseek Coder v2 and GPT-5.4 specifications
Deepseek Coder v2GPT-5.4
ProviderDeepSeekOpenAI
Noometry Index35.959.4
Released2024-06-172026-03-05
WeightsOpenProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$2.50
Output $ / M tokens—$15
Results tracked2468

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Category by category

Coding GPT-5.4 leads

Deepseek Coder v2: 38.1 (#183), GPT-5.4: 52.6 (#33)

Coding benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
LMArena Coding12511497
SWE-bench Verified—76.9%
DeepSWE—51.8%
LMArena WebDev—1465
SciCode—56.6%
GSO—31.4%
WeirdML—77.7%
BigCodeBench Instruct48.2%—
MirrorCode—15.6%
BigCodeBench Complete59.7%—
ALE-Bench—1,607
AlgoTune—1.85
HumanEval+82.3%—
MBPP+75.1%—

Agentic & Tool Use Not comparable

Deepseek Coder v2: —, GPT-5.4: 46.5 (#13)

Agentic & Tool Use benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
Terminal-Bench—81.8%
APEX-Agents—52.4%
τ²-bench Banking—39.4%
DeepResearch Bench—35.1%
PostTrainBench—19%
GBAEval—45.1%
LMArena Search—1197
METR Time Horizons—74.3%
Vending-Bench 2—6,144

Reasoning GPT-5.4 leads

Deepseek Coder v2: 23.6 (#176), GPT-5.4: 61.8 (#19)

Reasoning benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
LMArena Hard Prompts12071485
ARC-AGI-2—74%
Kagi LLM Benchmark—63.8%
NYT Connections (extended)—91.3%
ARC-AGI-1—93.7%
CritPt—23.4%
Chess Puzzles—44%
EnigmaEval—16%
Thematic Generalization—80%
EBR-Bench—25.4%
Mystery Game Puzzles—37%
DTBench—94.4%
LMCA—52%
Epoch Capabilities Index—156.81
ForecastBench—59.5
WinoGrande83.7%—

Math GPT-5.4 leads

Deepseek Coder v2: 34.9 (#190), GPT-5.4: 73.5 (#19)

Knowledge GPT-5.4 leads

Deepseek Coder v2: 32.3 (#212), GPT-5.4: 65.3 (#14)

Knowledge benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
LMArena Expert11811507
GPQA Diamond—93.3%
Humanity's Last Exam—36.2%
SimpleQA Verified—45.1%
Vectara Hallucination Rate—7%
ARC (AI2) Challenge64.3%—

Multimodal Not comparable

Deepseek Coder v2: —, GPT-5.4: 43.7 (#20)

Multimodal benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
LMArena Vision—1303
Blueprint-Bench 2—27.1%
Furniture Assembly—37.5%
LMArena Document—1471

Multilingual GPT-5.4 leads

Deepseek Coder v2: 36.3 (#240), GPT-5.4: 56.2 (#23)

Multilingual benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
LMArena Non-English11821465
LMArena Chinese12011519
LMArena French11851493
LMArena German11641472
LMArena Japanese11261485
LMArena Korean11041448
LMArena Russian11881480
LMArena Spanish11531454

Instruction Following GPT-5.4 leads

Deepseek Coder v2: 61.7 (#242), GPT-5.4: 77.1 (#27)

Instruction Following benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
LMArena Instruction Following11801469

Long Context GPT-5.4 leads

Deepseek Coder v2: 37.0 (#224), GPT-5.4: 50.3 (#8)

Long Context benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
LMArena Longer Query12191473
CL-bench—27.9%
CL-bench Life—21.7%

Writing & Preference GPT-5.4 leads

Deepseek Coder v2: 38.2 (#253), GPT-5.4: 71.9 (#17)

Writing & Preference benchmarks
BenchmarkDeepseek Coder v2GPT-5.4
LMArena Text11911469
LMArena Creative Writing11201439
LMArena Multi-Turn11771482
EQ-Bench Creative Writing—1840
EQ-Bench 4—1272

Frequently asked questions

Is Deepseek Coder v2 better than GPT-5.4?

GPT-5.4 is the stronger model overall, scoring 59.4 to 35.9 on the Noometry Index.

Is Deepseek Coder v2 or GPT-5.4 better for coding?

GPT-5.4 scores higher on coding benchmarks: 52.6 versus 38.1 in the Noometry coding category.

How many benchmarks do Deepseek Coder v2 and GPT-5.4 share?

17 benchmarks have published results for both models. Deepseek Coder v2 has 24 scored results on Noometry and GPT-5.4 has 68.

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