Model comparison

DeepSeek Coder 1.3B vs GPT-6.1 Sol

GPT-6.1 Sol has enough public results to be ranked (#6); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

DeepSeek Coder 1.3B DeepSeek

35.0

Unranked Sparse

GPT-6.1 Sol OpenAI

65.6

Rank #6 Confirmed

Summary

  • They share 1 benchmark with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and GPT-6.1 Sol in 1 category; one gap is clear of the uncertainty.
  • The widest gap is in coding, where GPT-6.1 Sol leads 63.2 to 31.2.
  • DeepSeek Coder 1.3B has downloadable open weights; the other is API-only.

Side by side

DeepSeek Coder 1.3B and GPT-6.1 Sol specifications
DeepSeek Coder 1.3BGPT-6.1 Sol
ProviderDeepSeekOpenAI
Noometry Index35.065.6
Released2023-11-022026-09-29
WeightsOpenProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$2
Output $ / M tokens—$10
Results tracked934

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

Category by category

Coding GPT-6.1 Sol leads

DeepSeek Coder 1.3B: 31.2 (#287), GPT-6.1 Sol: 63.2 (#8)

Coding benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
DeepSWE—75.2%
FrontierCode—50.2%
LMArena WebDev—1755
SciCode—55.8%
BigCodeBench Instruct22.8%—
LMArena Coding—1487
BigCodeBench Complete29.6%—
HumanEval+60.4%—
MBPP+54.8%—

Agentic & Tool Use Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 39.6 (#26)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
APEX-Agents—60%
GDP.pdf—32%

Reasoning Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 81.9 (#2)

Reasoning benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
Epoch Capabilities Index63.6166.09
ARC-AGI-2—94.2%
NYT Connections (extended)—95.5%
ARC-AGI-1—98.5%
CritPt—31.7%
Chess Puzzles—61%
EBR-Bench—54.3%
LMArena Hard Prompts—1466
Mystery Game Puzzles—80%
WinoGrande53.3%—

Math Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 93.7 (#1)

Math benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
FrontierMath (Tiers 1-3)—93.7%
FrontierMath Tier 4—100%
OTIS Mock AIME 2024-2025—100%
ProofBench—99%
LMArena Math—1464
GSM8K4.4%—

Knowledge Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 71.8 (#4)

Knowledge benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
GPQA Diamond—95.4%
SimpleQA Verified—73.9%
LMArena Expert—1502
ARC (AI2) Challenge25.4%—
MMLU25.8%—

Multimodal Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 52.7 (#5)

Multimodal benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
LMArena Vision—1288
Furniture Assembly—80%

Multilingual Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 54.3 (#46)

Multilingual benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
LMArena Non-English—1438
LMArena Chinese—1477
LMArena Russian—1455

Instruction Following Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 77.0 (#29)

Instruction Following benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
LMArena Instruction Following—1468

Long Context Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 44.9 (#54)

Long Context benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
LMArena Longer Query—1465

Writing & Preference Not comparable

DeepSeek Coder 1.3B: —, GPT-6.1 Sol: 63.6 (#63)

Writing & Preference benchmarks
BenchmarkDeepSeek Coder 1.3BGPT-6.1 Sol
LMArena Text—1447
LMArena Creative Writing—1432
LMArena Multi-Turn—1449

Frequently asked questions

Is DeepSeek Coder 1.3B better than GPT-6.1 Sol?

GPT-6.1 Sol has enough public results to be ranked (#6); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

Is DeepSeek Coder 1.3B or GPT-6.1 Sol better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 31.2 in the Noometry coding category.

How many benchmarks do DeepSeek Coder 1.3B and GPT-6.1 Sol share?

1 benchmark has published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and GPT-6.1 Sol has 34.

Related comparisons

Go deeper