Noometry

Model comparison

DeepSeek V4 Flash vs GPT-4 Turbo

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 30.5 on the Noometry Index.

Last verified . 26 shared benchmarks.

DeepSeek V4 Flash DeepSeek

53.6

Rank #35 Confirmed

GPT-4 Turbo OpenAI

30.5

Rank #292 Confirmed

Summary

  • They share 26 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 8 categories and GPT-4 Turbo in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where DeepSeek V4 Flash leads 60.3 to 9.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 94.4% for DeepSeek V4 Flash and 6.7% for GPT-4 Turbo.
  • DeepSeek V4 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $10 / $30 for GPT-4 Turbo.
  • DeepSeek V4 Flash accepts more context: 1M tokens versus 128K.
  • DeepSeek V4 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4 FlashGPT-4 Turbo
ProviderDeepSeekOpenAI
Noometry Index53.630.5
Released2026-04-242023-11-06
WeightsOpenProprietary
Context window1M128K
Max output393K4K
Input $ / M tokens$0.15$10
Output $ / M tokens$0.60$30
Results tracked4136

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Category by category

Coding DeepSeek V4 Flash leads

DeepSeek V4 Flash: 47.9 (#59), GPT-4 Turbo: 33.8 (#249)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
WeirdML63%18%
LMArena Coding14571268
FrontierCode18.8%—
LMArena WebDev1582—
SciCode49.9%—
BigCodeBench Instruct—48.2%
BigCodeBench Complete—58.2%
ALE-Bench1,306—
HumanEval+—86.6%
MBPP+—73.3%

Agentic & Tool Use Not comparable

DeepSeek V4 Flash: —, GPT-4 Turbo: —

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
METR Time Horizons—36.7%

Reasoning DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.7 (#30), GPT-4 Turbo: 15.3 (#317)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
SimpleBench61.1%25.1%
Chess Puzzles33%6%
LMArena Hard Prompts14441251
DTBench90.9%61.6%
LMCA41.7%9.8%
Epoch Capabilities Index154.49127.25
ARC-AGI-261.4%—
Kagi LLM Benchmark52.2%—
NYT Connections (extended)89.6%—
ARC-AGI-189%—
CritPt16.6%—
Mystery Game Puzzles34%—
ForecastBench—59.4

Math DeepSeek V4 Flash leads

DeepSeek V4 Flash: 60.3 (#37), GPT-4 Turbo: 9.0 (#322)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
FrontierMath (Tiers 1-3)57.5%0.7%
OTIS Mock AIME 2024-202594.4%6.7%
LMArena Math14271272
FrontierMath Tier 424.4%—
MathArena Final-Answer Competitions76.5%—
ProofBench56%—
MATH Level 5—46.7%

Knowledge DeepSeek V4 Flash leads

DeepSeek V4 Flash: 55.4 (#48), GPT-4 Turbo: 24.3 (#268)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
GPQA Diamond91%46.6%
LMArena Expert14411223
SimpleQA Verified33.6%—
Confabulations—28.4%
MMLU—81.3%

Multimodal Not comparable

DeepSeek V4 Flash: —, GPT-4 Turbo: 30.6 (#110)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
LMArena Vision—1090

Multilingual DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.0 (#72), GPT-4 Turbo: 40.5 (#216)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
LMArena Non-English14201245
LMArena Chinese14681242
LMArena French14391276
LMArena German14181259
LMArena Japanese14061194
LMArena Korean13841187
LMArena Russian14281259
LMArena Spanish14361260

Instruction Following DeepSeek V4 Flash leads

DeepSeek V4 Flash: 74.9 (#81), GPT-4 Turbo: 65.8 (#216)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
LMArena Instruction Following14211249

Long Context DeepSeek V4 Flash leads

DeepSeek V4 Flash: 43.8 (#85), GPT-4 Turbo: 38.0 (#206)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
LMArena Longer Query14341254

Writing & Preference DeepSeek V4 Flash leads

DeepSeek V4 Flash: 63.8 (#61), GPT-4 Turbo: 47.7 (#206)

BenchmarkDeepSeek V4 FlashGPT-4 Turbo
LMArena Text14321272
LMArena Creative Writing14031269
LMArena Multi-Turn14491267
EQ-Bench Creative Writing1559—

Frequently asked questions

Is DeepSeek V4 Flash better than GPT-4 Turbo?

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 30.5 on the Noometry Index.

Which is cheaper, DeepSeek V4 Flash or GPT-4 Turbo?

DeepSeek V4 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; GPT-4 Turbo lists at $10 and $30.

Is DeepSeek V4 Flash or GPT-4 Turbo better for coding?

DeepSeek V4 Flash scores higher on coding benchmarks: 47.9 versus 33.8 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4 Flash does, with 1M tokens against 128K.

How many benchmarks do DeepSeek V4 Flash and GPT-4 Turbo share?

26 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and GPT-4 Turbo has 36.

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