Noometry

Model comparison

DeepSeek-V3.1-Terminus vs Grok 4

Grok 4 is the stronger model overall, scoring 47.8 to 42.6 on the Noometry Index.

Last verified . 11 shared benchmarks.

DeepSeek-V3.1-Terminus DeepSeek

42.6

Rank #96 Confirmed

Grok 4 xAI

47.8

Rank #49 Confirmed

Summary

  • They share 11 benchmarks with published results for both. DeepSeek-V3.1-Terminus scores higher in 2 categories and Grok 4 in 5 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 leads 63.1 to 43.5.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 57.4% for DeepSeek-V3.1-Terminus and 73.6% for Grok 4.
  • DeepSeek-V3.1-Terminus has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V3.1-TerminusGrok 4
ProviderDeepSeekxAI
Noometry Index42.647.8
Released2025-09-222025-07-09
WeightsOpenProprietary
Context window164K—
Max output66K—
Input $ / M tokens$0.30—
Output $ / M tokens$1—
Results tracked1648

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Category by category

Coding Grok 4 leads

DeepSeek-V3.1-Terminus: 41.5 (#114), Grok 4: 49.9 (#44)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
LMArena Coding14261408
Aider Polyglot—79.6%
SciCode40.6%—
WeirdML—45.7%
ALE-Bench745.17—

Agentic & Tool Use Not comparable

DeepSeek-V3.1-Terminus: —, Grok 4: 32.1 (#62)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
Terminal-Bench—27.2%
Berkeley Function Calling Leaderboard—63%
GDPval—21.1%
Cybench—43%
DeepResearch Bench—47.3%
BALROG—43.6%
LMArena Search—1142
METR Time Horizons—66.6%

Reasoning Grok 4 leads

DeepSeek-V3.1-Terminus: 25.7 (#126), Grok 4: 36.9 (#59)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
Kagi LLM Benchmark57.4%73.6%
LMArena Hard Prompts14271409
ARC-AGI-2—16%
SimpleBench—60.5%
ARC-AGI-1—66.7%
CritPt1.7%—
Chess Puzzles—28%
DTBench81.3%—
LMCA28.6%—
Epoch Capabilities Index—146.46
ForecastBench—60.9

Math Grok 4 leads

DeepSeek-V3.1-Terminus: 35.7 (#138), Grok 4: 46.5 (#58)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
LMArena Math14021422
OTIS Mock AIME 2024-2025—84%
Omni-MATH—60.3%
FrontierMath (Feb 2025 set)—19.7%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Not comparable

DeepSeek-V3.1-Terminus: —, Grok 4: 53.7 (#50)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
GPQA Diamond—87%
MMLU-Pro—85.1%
Confabulations—12.4%
GPQA (HELM)—72.7%
LMArena Expert—1417

Multimodal Not comparable

DeepSeek-V3.1-Terminus: —, Grok 4: 33.1 (#89)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
LMArena Vision—1211
GeoBench—45%

Multilingual Too close to call

DeepSeek-V3.1-Terminus: 52.3 (#87), Grok 4: 52.0 (#98)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
LMArena Non-English14071403
LMArena Russian14341409
LMArena Chinese—1428
LMArena French—1418
LMArena German—1429
LMArena Japanese—1396
LMArena Korean—1376
LMArena Spanish—1419

Instruction Following Grok 4 leads

DeepSeek-V3.1-Terminus: 74.4 (#96), Grok 4: 79.4 (#4)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
LMArena Instruction Following14061387
IFEval—94.9%

Long Context Grok 4 leads

DeepSeek-V3.1-Terminus: 43.5 (#88), Grok 4: 63.1 (#4)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
LMArena Longer Query14261409
Fiction.LiveBench—94.4%

Writing & Preference DeepSeek-V3.1-Terminus leads

DeepSeek-V3.1-Terminus: 61.3 (#87), Grok 4: 58.7 (#111)

BenchmarkDeepSeek-V3.1-TerminusGrok 4
LMArena Text14201412
LMArena Creative Writing14041397
LMArena Multi-Turn14111416
Short-Story Creative Writing—76.9%
WildBench—79.7%

Frequently asked questions

Is DeepSeek-V3.1-Terminus better than Grok 4?

Grok 4 is the stronger model overall, scoring 47.8 to 42.6 on the Noometry Index.

Is DeepSeek-V3.1-Terminus or Grok 4 better for coding?

Grok 4 scores higher on coding benchmarks: 49.9 versus 41.5 in the Noometry coding category.

How many benchmarks do DeepSeek-V3.1-Terminus and Grok 4 share?

11 benchmarks have published results for both models. DeepSeek-V3.1-Terminus has 16 scored results on Noometry and Grok 4 has 48.

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