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R1 0528 vs GPT-5.4 Nano

GPT-5.4 Nano leads R1 0528 on the Artificial Analysis Intelligence Index, 20.7 to 13.1, and GPT-5.4 Nano costs 1.7x less per output token ($1.25 vs $2.18 per million). Updated October 22, 2026; 41 benchmarks have a result for both.

Replace R1 0528 Replace GPT-5.4 Nano
R1 0528DeepSeek
Coding
No data
Overall
46.8
Output $/M
$2.18
26
GPT-5.4 NanoOpenAI
Coding
44.8
Overall
45.7
Output $/M
$1.25
15
vs boards won of 41 shared

R1 0528 or GPT-5.4 Nano: which to pick

Only GPT-5.4 Nano has a coding score, 44.8 on the Vibe Coding Index; R1 0528 has none, so the two cannot be ranked on coding.

Pick R1 0528 for work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Model AR1 0528DeepSeekNot benchmarkedNo coding benchmarkNo cost per solved taskModel BGPT-5.4 NanoOpenAI44.8/1002 independent benchmarks$0.14 per solved task
Shared results
41
R1 0528 only
22
GPT-5.4 Nano only
44
Like-for-like categories
7 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
R1 0528 not benchmarked, GPT-5.4 Nano 44.8 from 2 benchmarks.
Widest category
Agentic work, 39.5 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: R1 0528 36.5% against GPT-5.4 Nano 76.0%, 39.5 points apart on a 0 to 100 scale.
Output price
R1 0528 $2.18 against GPT-5.4 Nano $1.25 per million output tokens, 1.7x apart.
Context window
R1 0528 takes 164K tokens, GPT-5.4 Nano 400K.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryR1 0528BarsGPT-5.4 NanoTies
Coding23
Intelligence01
Agentic work01
Reasoning26
Math12
Knowledge40
General172
All shared boards2615
CodingLike-for-likeSix of these boards feed the Vibe Coding Index23
Coding benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
Aider polyglot71.4%Not measuredOnly R1 0528 measured
AA Coding IndexNot measured56.1Only GPT-5.4 Nano measured
LiveCodeBench (Vals AI)Not measured84.0%Only GPT-5.4 Nano measured
SWE-bench Verified (Vals AI)Not measured69.8%Only GPT-5.4 Nano measured
Vibe Code Bench (Vals AI)Not measured26.1%Only GPT-5.4 Nano measured
Code migration (Vals AI)Not measured14.5%Only GPT-5.4 Nano measured
Terminal-Bench 2.1 (Vals AI)Not measured41.6%Only GPT-5.4 Nano measured
LiveCodeBench (Artificial Analysis run)77.0%Not measuredOnly R1 0528 measured
SciCodeNot measured47.2%Only GPT-5.4 Nano measured
Terminal-Bench Hard (Artificial Analysis run)15.9%42.4%GPT-5.4 Nano
WeirdML41.6%49.2%GPT-5.4 Nano
ALE-Bench804.11004.5GPT-5.4 Nano
LMArena Text: coding14271404R1 0528
LMArena Text: software and IT14351402R1 0528
Neither model has a result on the other 29 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
AA Intelligence Index13.120.7GPT-5.4 Nano
Epoch Capabilities IndexNot measured146.0Only GPT-5.4 Nano measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
AA Agentic IndexNot measured16.0Only GPT-5.4 Nano measured
Finance Agent (Vals AI)Not measured38.2%Only GPT-5.4 Nano measured
Tax Agent Bench (Vals AI)Not measured5.0%Only GPT-5.4 Nano measured
Legal Research Bench (Vals AI)Not measured6.3%Only GPT-5.4 Nano measured
Excel Modeling Benchmark (Vals AI)Not measured44.8%Only GPT-5.4 Nano measured
τ²-Bench Telecom36.5%76.0%GPT-5.4 Nano
METR time horizons53.8%Not measuredOnly R1 0528 measured
DeepResearch Bench35.1%Not measuredOnly R1 0528 measured
BrowseComp-Plus16.4%Not measuredOnly R1 0528 measured
Neither model has a result on the other 33 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index26
Reasoning benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
GPQA DiamondNot measured77.5%Only GPT-5.4 Nano measured
MMMU Pro (Vals AI)Not measured73.6%Only GPT-5.4 Nano measured
GPQA Diamond (Artificial Analysis run)81.3%81.7%GPT-5.4 Nano
Humanity's Last Exam (Artificial Analysis run)15.8%28.3%GPT-5.4 Nano
GPQA Diamond (Epoch AI run)76.3%78.5%GPT-5.4 Nano
ARC-AGI21.2%51.5%GPT-5.4 Nano
ARC-AGI-21.1%5.7%GPT-5.4 Nano
SimpleBench40.8%Not measuredOnly R1 0528 measured
Chess puzzlesNot measured45.0%Only GPT-5.4 Nano measured
Mystery game puzzlesNot measured9.0%Only GPT-5.4 Nano measured
LMArena Text: hard prompts14151381R1 0528
LMArena Text: expert13941396GPT-5.4 Nano
LMArena Text: hard prompts in English14221387R1 0528
LMArena Vision: diagramsNot measured1210Only GPT-5.4 Nano measured
LMArena Vision: homeworkNot measured1225Only GPT-5.4 Nano measured
Kagi LLM BenchmarkNot measured39.7%Only GPT-5.4 Nano measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index12
Math benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
AIMENot measured88.8%Only GPT-5.4 Nano measured
AA Math Index76.0Not measuredOnly R1 0528 measured
AIME 2025 (Artificial Analysis run)76.0%Not measuredOnly R1 0528 measured
OTIS Mock AIME66.4%87.8%GPT-5.4 Nano
FrontierMath, tiers 1 to 3Not measured44.9%Only GPT-5.4 Nano measured
FrontierMath, tier 4Not measured12.2%Only GPT-5.4 Nano measured
ProofBenchNot measured5.0%Only GPT-5.4 Nano measured
MATH level 596.6%Not measuredOnly R1 0528 measured
LMArena Text: math14001405GPT-5.4 Nano
LMArena Text: mathematical work14151409R1 0528
MathArena12.9%Not measuredOnly R1 0528 measured
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
MMLU ProNot measured77.2%Only GPT-5.4 Nano measured
LegalBench (Vals AI)Not measured77.9%Only GPT-5.4 Nano measured
CaseLaw (Vals AI)Not measured51.9%Only GPT-5.4 Nano measured
CorpFin (Vals AI)Not measured61.2%Only GPT-5.4 Nano measured
TaxEval (Vals AI)Not measured67.4%Only GPT-5.4 Nano measured
MortgageTax (Vals AI)Not measured59.1%Only GPT-5.4 Nano measured
MedCode (Vals AI)Not measured41.0%Only GPT-5.4 Nano measured
MMLU Pro (Artificial Analysis run)84.9%Not measuredOnly R1 0528 measured
SimpleQA VerifiedNot measured11.7%Only GPT-5.4 Nano measured
LMArena Text: science14301374R1 0528
LMArena Text: medicine and healthcare14451369R1 0528
LMArena Text: legal and government14191368R1 0528
LMArena Text: business and finance14021366R1 0528
PRBench Finance32.7%Not measuredOnly R1 0528 measured
PRBench Legal36.6%Not measuredOnly R1 0528 measured
Neither model has a result on the other 5 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
Web design benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
Design Arena: websites1149Not measuredOnly R1 0528 measured
Design Arena: UI components1100Not measuredOnly R1 0528 measured
Design Arena: game dev1097Not measuredOnly R1 0528 measured
Design Arena: data viz1182Not measuredOnly R1 0528 measured
Design Arena: 3D1110Not measuredOnly R1 0528 measured
Design Arena: all code categories1138Not measuredOnly R1 0528 measured
Design Arena: SVG1038Not measuredOnly R1 0528 measured
Neither model has a result on the other 2 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index172
General benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
SAGE (Vals AI)Not measured38.1%Only GPT-5.4 Nano measured
MedScribe (Vals AI)Not measured77.1%Only GPT-5.4 Nano measured
Vals Multimodal IndexNot measured47.6%Only GPT-5.4 Nano measured
IFBench39.6%75.9%GPT-5.4 Nano
Long context reasoning (AA-LCR)55.7%76.7%GPT-5.4 Nano
DTBenchNot measured80.3%Only GPT-5.4 Nano measured
LMCANot measured36.9%Only GPT-5.4 Nano measured
Fiction.LiveBench75.0%Not measuredOnly R1 0528 measured
Creative writing (Lech Mazur)81.9%Not measuredOnly R1 0528 measured
LMArena Text14281372R1 0528
LMArena Text: instruction following13821362R1 0528
LMArena Text: creative writing14051315R1 0528
LMArena VisionNot measured1196Only GPT-5.4 Nano measured
LMArena Text: English14371381R1 0528
LMArena Text: non-English14121359R1 0528
LMArena Text: Chinese14421391R1 0528
LMArena Text: German14041368R1 0528
LMArena Text: Japanese13911343R1 0528
LMArena Text: Korean13601321R1 0528
LMArena Text: French14171395R1 0528
LMArena Text: Spanish14111371R1 0528
LMArena Text: Russian14231363R1 0528
LMArena Text: Polish14281366R1 0528
LMArena Text: multi-turn14051382R1 0528
LMArena Text: longer queries13911365R1 0528
LMArena Text: writing and language14021338R1 0528
LMArena Text: entertainment and media14001325R1 0528
LMArena Vision: EnglishNot measured1202Only GPT-5.4 Nano measured
LMArena Vision: ChineseNot measured1232Only GPT-5.4 Nano measured
LMArena Vision: reading textNot measured1204Only GPT-5.4 Nano measured
LMArena Vision: humorNot measured1161Only GPT-5.4 Nano measured
LMArena Vision: recognizing thingsNot measured1141Only GPT-5.4 Nano measured
LMArena Vision: creative writingNot measured1159Only GPT-5.4 Nano measured
Neither model has a result on the other 15 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for R1 0528 and GPT-5.4 Nano
BenchmarkR1 0528GPT-5.4 NanoLeader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

R1 0528$0.0016Fits in one request
GPT-5.4 Nano$0.0008Fits in one request

GPT-5.4 Nano costs less

Repository review

50K input + 3K output tokens

R1 0528$0.032Fits in one request
GPT-5.4 Nano$0.014Fits in one request

GPT-5.4 Nano costs less

Agent loop

200K input + 10K output tokens

R1 0528$0.122Exceeds the context window
GPT-5.4 Nano$0.052Fits in one request

GPT-5.4 Nano costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of R1 0528 and GPT-5.4 Nano
SpecificationDeepSeek R1 0528OpenAI GPT-5.4 Nano
MakerDeepSeekOpenAI
WeightsOpen weightsNo public weights listed
ReleasedMay 28, 2025March 17, 2026
Context window164K400K
Input $/Mtok$0.50$0.20
Output $/Mtok$2.18$1.25
Coding indexNot benchmarked44.8
Independent measurements behind it02
Cost per solved taskNot computable$0.14
SourceOpenRouter listingOpenRouter listing

Questions

Is R1 0528 better than GPT-5.4 Nano for coding?

Only GPT-5.4 Nano has a coding score, 44.8 on the Vibe Coding Index; R1 0528 has none, so the two cannot be ranked on coding. Pick R1 0528 for work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Which is cheaper, R1 0528 or GPT-5.4 Nano?

R1 0528 costs $0.50 per million input tokens and $2.18 per million output tokens; GPT-5.4 Nano costs $0.20 and $1.25. Cost per solved task is known for GPT-5.4 Nano only.

Which has the bigger context window, R1 0528 or GPT-5.4 Nano?

GPT-5.4 Nano, with 400K tokens against 164K.

How many benchmarks is the R1 0528 vs GPT-5.4 Nano comparison based on?

41 benchmarks have a result for both models as of October 22, 2026. R1 0528's coding index rests on 0 independent benchmarks and GPT-5.4 Nano's on 2. Where only one model has a result, the page says so instead of naming a winner.

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