Model comparison

DeepSeek-R1 vs GPT-5.4 mini

GPT-5.4 mini is the stronger model overall, scoring 44.8 to 42.0 on the Noometry Index. DeepSeek-R1 costs 1.8× less per token, which makes it the better buy when GPT-5.4 mini's lead doesn't matter for your workload.

Last verified . 31 shared benchmarks.

DeepSeek-R1 DeepSeek

42.0

Rank #110 Confirmed

GPT-5.4 mini OpenAI

44.8

Rank #69 Confirmed

Summary

  • They share 31 benchmarks with published results for both. DeepSeek-R1 scores higher in 4 categories and GPT-5.4 mini in 5 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.4 mini leads 30.3 to 18.7.
  • The biggest single-benchmark swing is ARC-AGI-1: 21.2% for DeepSeek-R1 and 63.7% for GPT-5.4 mini.
  • DeepSeek-R1 is cheaper at $0.50 / $2.15 per million input/output tokens, against $0.75 / $4.50 for GPT-5.4 mini.
  • GPT-5.4 mini accepts more context: 400K tokens versus 164K.

Side by side

DeepSeek-R1 and GPT-5.4 mini specifications
DeepSeek-R1GPT-5.4 mini
ProviderDeepSeekOpenAI
Noometry Index42.044.8
Released2025-01-202026-03-17
WeightsProprietaryProprietary
Context window164K400K
Max output64K128K
Input $ / M tokens$0.50$0.75
Output $ / M tokens$2.15$4.50
Results tracked5246

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Category by category

Coding Too close to call

DeepSeek-R1: 45.9 (#63), GPT-5.4 mini: 45.0 (#67)

Coding benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
SciCode35.7%49.9%
WeirdML41.6%60.3%
LMArena Coding14271438
ALE-Bench804.121,189
FrontierCode—27%
Aider Polyglot71.4%—
LMArena WebDev—1397
LiveBench Coding66.7%—
AlgoTune1.7—

Agentic & Tool Use Too close to call

DeepSeek-R1: 30.4 (#68), GPT-5.4 mini: 29.6 (#74)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
DeepResearch Bench35.1%36.3%
BALROG34.9%—
METR Time Horizons53.8%—

Reasoning GPT-5.4 mini leads

DeepSeek-R1: 18.7 (#253), GPT-5.4 mini: 30.3 (#77)

Reasoning benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
ARC-AGI-21.3%18.9%
Kagi LLM Benchmark69.4%37.9%
ARC-AGI-121.2%63.7%
CritPt1.1%10%
LMArena Hard Prompts14151424
Epoch Capabilities Index141.3148.83
ForecastBench6057
SimpleBench40.8%—
NYT Connections (extended)—61.8%
Chess Puzzles—24%
Thematic Generalization—61.7%
LiveBench Reasoning83.2%—
Mystery Game Puzzles—11%
DTBench—80%
LiveBench Data Analysis69.8%—
LMCA—40.8%
LiveBench71.6%—

Math GPT-5.4 mini leads

DeepSeek-R1: 42.0 (#70), GPT-5.4 mini: 45.4 (#63)

Math benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
OTIS Mock AIME 2024-202566.4%88.9%
LMArena Math14011418
FrontierMath (Tiers 1-3)—51.2%
FrontierMath Tier 4—9.8%
ProofBench—21%
Omni-MATH42.4%—
LiveBench Math80.7%—
MATH Level 596.6%—
FrontierMath (Feb 2025 set)—28.3%
FrontierMath Tier 4 (v1)—2.1%

Knowledge GPT-5.4 mini leads

DeepSeek-R1: 44.3 (#81), GPT-5.4 mini: 51.4 (#62)

Knowledge benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
GPQA Diamond76.3%86.9%
Vectara Hallucination Rate11.3%5.5%
LMArena Expert13941434
SimpleQA Verified—29.4%
MMLU-Pro79.3%—
Confabulations12.7%—
GPQA (HELM)66.6%—

Multimodal Not comparable

DeepSeek-R1: —, GPT-5.4 mini: 39.0 (#51)

Multimodal benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
LMArena Vision—1245

Multilingual Too close to call

DeepSeek-R1: 52.6 (#80), GPT-5.4 mini: 52.1 (#94)

Multilingual benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
LMArena Non-English14121405
LMArena Chinese14431446
LMArena French14151440
LMArena German14051407
LMArena Japanese13941375
LMArena Korean13591369
LMArena Russian14231417
LMArena Spanish14101403

Instruction Following GPT-5.4 mini leads

DeepSeek-R1: 72.2 (#138), GPT-5.4 mini: 74.3 (#99)

Instruction Following benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
LMArena Instruction Following13821405
LiveBench Instruction Following80.5%—
IFEval78.4%—

Long Context DeepSeek-R1 leads

DeepSeek-R1: 45.4 (#36), GPT-5.4 mini: 42.9 (#107)

Long Context benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
LMArena Longer Query13911407
Fiction.LiveBench75%—

Writing & Preference GPT-5.4 mini leads

DeepSeek-R1: 61.5 (#84), GPT-5.4 mini: 64.2 (#56)

Writing & Preference benchmarks
BenchmarkDeepSeek-R1GPT-5.4 mini
LMArena Text14281411
LMArena Creative Writing14061370
EQ-Bench Creative Writing15001665
LMArena Multi-Turn14041429
Short-Story Creative Writing83%—
WildBench82.8%—
LiveBench Language48.5%—

Frequently asked questions

Is DeepSeek-R1 better than GPT-5.4 mini?

GPT-5.4 mini is the stronger model overall, scoring 44.8 to 42.0 on the Noometry Index. DeepSeek-R1 costs 1.8× less per token, which makes it the better buy when GPT-5.4 mini's lead doesn't matter for your workload.

Which is cheaper, DeepSeek-R1 or GPT-5.4 mini?

DeepSeek-R1 is cheaper. It lists at $0.50 per million input tokens and $2.15 per million output tokens; GPT-5.4 mini lists at $0.75 and $4.50.

Is DeepSeek-R1 or GPT-5.4 mini better for coding?

They score almost the same on coding (45.9 vs 45.0); test both on your own repository before choosing.

Which has the bigger context window?

GPT-5.4 mini does, with 400K tokens against 164K.

How many benchmarks do DeepSeek-R1 and GPT-5.4 mini share?

31 benchmarks have published results for both models. DeepSeek-R1 has 52 scored results on Noometry and GPT-5.4 mini has 46.

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