Noometry

Model comparison

DeepSeek V4 Pro vs GPT-5.4 mini

DeepSeek V4 Pro is the stronger model overall, scoring 54.3 to 45.0 on the Noometry Index.

Last verified . 41 shared benchmarks.

DeepSeek V4 Pro DeepSeek

54.3

Rank #31 Confirmed

GPT-5.4 mini OpenAI

45.0

Rank #76 Confirmed

Summary

  • They share 41 benchmarks with published results for both. DeepSeek V4 Pro scores higher in 9 categories and GPT-5.4 mini in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4 Pro leads 56.5 to 30.4.
  • The biggest single-benchmark swing is ARC-AGI-2: 61.3% for DeepSeek V4 Pro and 18.9% for GPT-5.4 mini.
  • DeepSeek V4 Pro is cheaper at $0.66 / $1.98 per million input/output tokens, against $0.75 / $4.50 for GPT-5.4 mini.
  • DeepSeek V4 Pro accepts more context: 1M tokens versus 400K.
  • DeepSeek V4 Pro has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4 ProGPT-5.4 mini
ProviderDeepSeekOpenAI
Noometry Index54.345.0
Released2026-04-242026-03-17
WeightsOpenProprietary
Context window1M400K
Max output393K128K
Input $ / M tokens$0.66$0.75
Output $ / M tokens$1.98$4.50
Results tracked4846

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Category by category

Coding DeepSeek V4 Pro leads

DeepSeek V4 Pro: 52.4 (#34), GPT-5.4 mini: 45.2 (#72)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
FrontierCode28.6%27%
LMArena WebDev15821397
SciCode51%49.9%
WeirdML66.2%60.3%
LMArena Coding14701438
ALE-Bench1,4031,189
SWE-bench Verified77.6%—

Agentic & Tool Use DeepSeek V4 Pro leads

DeepSeek V4 Pro: 32.8 (#58), GPT-5.4 mini: 29.9 (#81)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
APEX-Agents47.3%—
DeepResearch Bench—36.3%
Vending-Bench 23,285—

Reasoning DeepSeek V4 Pro leads

DeepSeek V4 Pro: 56.5 (#24), GPT-5.4 mini: 30.4 (#85)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
ARC-AGI-261.3%18.9%
Kagi LLM Benchmark53.5%37.9%
NYT Connections (extended)91.3%61.8%
ARC-AGI-190.5%63.7%
CritPt18%10%
Chess Puzzles47%24%
LMArena Hard Prompts14611424
Mystery Game Puzzles43%11%
DTBench93.9%80%
LMCA45.5%40.8%
Epoch Capabilities Index155.31148.84
ForecastBench56.157
Thematic Generalization—61.7%
Surface Evolver Bench40%—

Math DeepSeek V4 Pro leads

DeepSeek V4 Pro: 64.8 (#30), GPT-5.4 mini: 45.5 (#75)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
FrontierMath (Tiers 1-3)64.6%51.2%
FrontierMath Tier 426.8%9.8%
OTIS Mock AIME 2024-202598.6%88.9%
ProofBench50%21%
LMArena Math14551419
MathArena Final-Answer Competitions76.6%—
FrontierMath (Feb 2025 set)—28.3%
FrontierMath Tier 4 (v1)—2.1%

Knowledge DeepSeek V4 Pro leads

DeepSeek V4 Pro: 59.5 (#31), GPT-5.4 mini: 51.5 (#67)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
GPQA Diamond91.7%86.9%
SimpleQA Verified52.9%29.4%
Vectara Hallucination Rate8.6%5.5%
LMArena Expert14641435

Multimodal Not comparable

DeepSeek V4 Pro: —, GPT-5.4 mini: 39.7 (#56)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
LMArena Vision—1245

Multilingual DeepSeek V4 Pro leads

DeepSeek V4 Pro: 54.4 (#45), GPT-5.4 mini: 51.9 (#96)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
LMArena Non-English14391405
LMArena Chinese14861446
LMArena French14721440
LMArena German14581409
LMArena Japanese14451374
LMArena Korean14471368
LMArena Russian14531417
LMArena Spanish14581405

Instruction Following DeepSeek V4 Pro leads

DeepSeek V4 Pro: 76.1 (#47), GPT-5.4 mini: 74.1 (#102)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
LMArena Instruction Following14481405

Long Context DeepSeek V4 Pro leads

DeepSeek V4 Pro: 45.0 (#51), GPT-5.4 mini: 43.0 (#112)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
LMArena Longer Query14581407
CL-bench Life13.5%—

Writing & Preference DeepSeek V4 Pro leads

DeepSeek V4 Pro: 65.5 (#46), GPT-5.4 mini: 64.0 (#58)

BenchmarkDeepSeek V4 ProGPT-5.4 mini
LMArena Text14511412
LMArena Creative Writing14461370
EQ-Bench Creative Writing15531665
LMArena Multi-Turn14671429
EQ-Bench 41166—

Frequently asked questions

Is DeepSeek V4 Pro better than GPT-5.4 mini?

DeepSeek V4 Pro is the stronger model overall, scoring 54.3 to 45.0 on the Noometry Index.

Which is cheaper, DeepSeek V4 Pro or GPT-5.4 mini?

DeepSeek V4 Pro is cheaper. It lists at $0.66 per million input tokens and $1.98 per million output tokens; GPT-5.4 mini lists at $0.75 and $4.50.

Is DeepSeek V4 Pro or GPT-5.4 mini better for coding?

DeepSeek V4 Pro scores higher on coding benchmarks: 52.4 versus 45.2 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4 Pro does, with 1M tokens against 400K.

How many benchmarks do DeepSeek V4 Pro and GPT-5.4 mini share?

41 benchmarks have published results for both models. DeepSeek V4 Pro has 48 scored results on Noometry and GPT-5.4 mini has 46.

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