Model comparison

DeepSeek Coder 6.7B vs GPT-5.1

GPT-5.1 has enough public results to be ranked (#47); DeepSeek Coder 6.7B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

DeepSeek Coder 6.7B DeepSeek

37.1

Unranked Sparse

GPT-5.1 OpenAI

48.8

Rank #47 Confirmed

Summary

  • They share 1 benchmark with published results for both. DeepSeek Coder 6.7B scores higher in 0 categories and GPT-5.1 in 1 category; one gap is clear of the uncertainty.
  • The widest gap is in coding, where GPT-5.1 leads 46.9 to 35.2.
  • DeepSeek Coder 6.7B has downloadable open weights; the other is API-only.

Side by side

DeepSeek Coder 6.7B and GPT-5.1 specifications
DeepSeek Coder 6.7BGPT-5.1
ProviderDeepSeekOpenAI
Noometry Index37.148.8
Released2023-11-022025-11-13
WeightsOpenProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$1.25
Output $ / M tokens—$10
Results tracked963

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GPT-5.1 leads

DeepSeek Coder 6.7B: 35.2 (#216), GPT-5.1: 46.9 (#59)

Coding benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
SWE-bench Verified—68%
SWE-bench Verified (bash only)—66%
LMArena WebDev—1395
SciCode—43.3%
GSO—13.7%
WeirdML—60.8%
BigCodeBench Instruct35.5%—
LiveBench Coding—72.5%
LMArena Coding—1454
BigCodeBench Complete43.8%—
ALE-Bench—1,192
HumanEval+71.3%—
MBPP+65.6%—

Agentic & Tool Use Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 32.5 (#55)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
Terminal-Bench—47.6%
DeepResearch Bench—42.8%
LMArena Search—1199
Vending-Bench 2—1,473

Reasoning Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 39.9 (#50)

Reasoning benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
Epoch Capabilities Index88.88149.66
ARC-AGI-2—17.6%
SimpleBench—53.2%
ARC-AGI-1—72.8%
CritPt—4.9%
Chess Puzzles—32%
EnigmaEval—11.2%
LiveBench Reasoning—95.8%
LMArena Hard Prompts—1457
Mystery Game Puzzles—19%
DTBench—90.1%
LiveBench Data Analysis—72.1%
LMCA—43.9%
ForecastBench—58.1
LiveBench—78.8%
WinoGrande57.6%—

Math Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 50.3 (#45)

Math benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
OTIS Mock AIME 2024-2025—88.6%
Omni-MATH—46.4%
LiveBench Math—94.5%
LMArena Math—1446
FrontierMath (Feb 2025 set)—31%
FrontierMath Tier 4 (v1)—12.5%
GSM8K21.3%—

Knowledge Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 50.5 (#65)

Knowledge benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
GPQA Diamond—87.6%
Humanity's Last Exam—23.7%
SimpleQA Verified—48%
MMLU-Pro—57.9%
Vectara Hallucination Rate—10.9%
GPQA (HELM)—44.2%
LMArena Expert—1470
ARC (AI2) Challenge36.4%—
MMLU36.4%—

Multimodal Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 44.0 (#17)

Multimodal benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
LMArena Vision—1250
VPCT—58.7%
LMArena Document—1403

Multilingual Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 54.0 (#51)

Multilingual benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
LMArena Non-English—1431
LMArena Chinese—1495
LMArena French—1451
LMArena German—1439
LMArena Japanese—1453
LMArena Korean—1401
LMArena Russian—1435
LMArena Spanish—1430

Instruction Following Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 84.0 (#1)

Instruction Following benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
LiveBench Instruction Following—93.3%
IFEval—93.5%
LMArena Instruction Following—1442

Long Context Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 47.6 (#14)

Long Context benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
CL-bench—23.7%
CL-bench Life—17.3%
LMArena Longer Query—1448

Writing & Preference Not comparable

DeepSeek Coder 6.7B: —, GPT-5.1: 64.7 (#53)

Writing & Preference benchmarks
BenchmarkDeepSeek Coder 6.7BGPT-5.1
LMArena Text—1443
LMArena Creative Writing—1427
WildBench—86.3%
LMArena Multi-Turn—1449
LiveBench Language—80.2%

Frequently asked questions

Is DeepSeek Coder 6.7B better than GPT-5.1?

GPT-5.1 has enough public results to be ranked (#47); DeepSeek Coder 6.7B does not yet, so treat this comparison as directional.

Is DeepSeek Coder 6.7B or GPT-5.1 better for coding?

GPT-5.1 scores higher on coding benchmarks: 46.9 versus 35.2 in the Noometry coding category.

How many benchmarks do DeepSeek Coder 6.7B and GPT-5.1 share?

1 benchmark has published results for both models. DeepSeek Coder 6.7B has 9 scored results on Noometry and GPT-5.1 has 63.

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