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R1 0528 vs DeepSeek V4 Pro 0813

Updated October 21, 2026. 35 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

R1 0528DeepSeek
Coding
71.4
Overall
13.1
Output $/M
$2.15
0
DeepSeek V4 Pro 0813DeepSeek
Coding
54.6
Overall
36.0
Output $/M
$1.98
35
vs boards won of 35 shared

Decision reading

Pick R1 0528 for coding: it scores 71.4 on the Vibe Coding Index against 54.6 for DeepSeek V4 Pro 0813.

Pick DeepSeek V4 Pro 0813 when output tokens cost 1.1x less, or when the context window is larger, 1.05M against 164K tokens.

Shared results
35
R1 0528 only
24
DeepSeek V4 Pro 0813 only
43
Like-for-like categories
6 of 9

Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.

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 71.4 from 1 benchmark, DeepSeek V4 Pro 0813 54.6 from 1 benchmark.
Widest category
Reasoning, 25.8 points apart on average over 8 shared benchmarks.
Widest single gap
ARC-AGI: R1 0528 21.2% against DeepSeek V4 Pro 0813 90.5%, 69.3 points apart on a 0 to 100 scale.
Output price
R1 0528 $2.15 against DeepSeek V4 Pro 0813 $1.98 per million output tokens, 1.1x apart.
Context window
R1 0528 takes 164K tokens, DeepSeek V4 Pro 0813 1.05M.

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 0528BarsDeepSeek V4 Pro 0813Ties
Coding04
Intelligence01
Reasoning08
Math03
Knowledge04
General015
All shared boards035
CodingLike-for-likeFour of these boards feed the Vibe Coding Index04
Coding benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
Aider polyglot71.4%Not measuredOnly R1 0528 measured
LMArena WebDevNot measured1582Only DeepSeek V4 Pro 0813 measured
AA Coding IndexNot measured68.8Only DeepSeek V4 Pro 0813 measured
LiveCodeBench (Vals AI)Not measured87.5%Only DeepSeek V4 Pro 0813 measured
SWE-bench Verified (Vals AI)Not measured96.4%Only DeepSeek V4 Pro 0813 measured
Terminal-Bench 4 (Vals AI)Not measured14.1%Only DeepSeek V4 Pro 0813 measured
Vibe Code Bench (Vals AI)Not measured82.3%Only DeepSeek V4 Pro 0813 measured
Code migration (Vals AI)Not measured41.5%Only DeepSeek V4 Pro 0813 measured
ProgramBench (Vals AI)Not measured0.0%Only DeepSeek V4 Pro 0813 measured
IOI (Vals AI)Not measured51.6%Only DeepSeek V4 Pro 0813 measured
Terminal-Bench 2.1 (Vals AI)Not measured54.7%Only DeepSeek V4 Pro 0813 measured
Vibe Code Bench 1-100 (Vals AI)Not measured17.5%Only DeepSeek V4 Pro 0813 measured
SkillsBench (Vals AI)Not measured53.8%Only DeepSeek V4 Pro 0813 measured
CyberBench (Vals AI)Not measured72.9%Only DeepSeek V4 Pro 0813 measured
LiveCodeBench (Artificial Analysis run)77.0%Not measuredOnly R1 0528 measured
SciCodeNot measured51.0%Only DeepSeek V4 Pro 0813 measured
Terminal-Bench Hard (Artificial Analysis run)15.9%Not measuredOnly R1 0528 measured
FrontierCodeNot measured28.5%Only DeepSeek V4 Pro 0813 measured
WeirdML41.6%66.2%DeepSeek V4 Pro 0813
ALE-Bench804.11403.2DeepSeek V4 Pro 0813
LMArena Text: coding14271469DeepSeek V4 Pro 0813
LMArena Text: software and IT14351462DeepSeek V4 Pro 0813
LMArena WebDev: ReactNot measured1588Only DeepSeek V4 Pro 0813 measured
LMArena WebDev: HTMLNot measured1566Only DeepSeek V4 Pro 0813 measured
Neither model has a result on the other 14 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
AA Intelligence Index13.136.0DeepSeek V4 Pro 0813
Epoch Capabilities IndexNot measured155.6Only DeepSeek V4 Pro 0813 measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index12 boards, none shared
Agentic work benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
AA Agentic IndexNot measured41.3Only DeepSeek V4 Pro 0813 measured
SREBench (Vals AI)Not measured1.9%Only DeepSeek V4 Pro 0813 measured
Finance Agent (Vals AI)Not measured50.4%Only DeepSeek V4 Pro 0813 measured
Tax Agent Bench (Vals AI)Not measured26.8%Only DeepSeek V4 Pro 0813 measured
Legal Research Bench (Vals AI)Not measured40.9%Only DeepSeek V4 Pro 0813 measured
Harvey's Legal Agent Benchmark (Vals AI)Not measured10.8%Only DeepSeek V4 Pro 0813 measured
Excel Modeling Benchmark (Vals AI)Not measured52.8%Only DeepSeek V4 Pro 0813 measured
Terminal-Bench-Science (Vals AI)Not measured4.3%Only DeepSeek V4 Pro 0813 measured
τ²-Bench Telecom36.5%Not measuredOnly R1 0528 measured
APEX-AgentsNot measured47.3%Only DeepSeek V4 Pro 0813 measured
METR time horizons53.8%Not measuredOnly R1 0528 measured
DeepResearch Bench35.1%Not measuredOnly R1 0528 measured
Neither model has a result on the other 27 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index08
Reasoning benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
GPQA DiamondNot measured92.4%Only DeepSeek V4 Pro 0813 measured
GPQA Diamond (Artificial Analysis run)81.3%92.8%DeepSeek V4 Pro 0813
Humanity's Last Exam (Artificial Analysis run)15.8%41.0%DeepSeek V4 Pro 0813
GPQA Diamond (Epoch AI run)76.3%91.7%DeepSeek V4 Pro 0813
ARC-AGI21.2%90.5%DeepSeek V4 Pro 0813
ARC-AGI-21.1%61.3%DeepSeek V4 Pro 0813
SimpleBench40.8%Not measuredOnly R1 0528 measured
Chess puzzlesNot measured46.0%Only DeepSeek V4 Pro 0813 measured
Mystery game puzzlesNot measured43.0%Only DeepSeek V4 Pro 0813 measured
LMArena Text: hard prompts14151458DeepSeek V4 Pro 0813
LMArena Text: expert13941459DeepSeek V4 Pro 0813
LMArena Text: hard prompts in English14221463DeepSeek V4 Pro 0813
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
AA Math Index76.0Not measuredOnly R1 0528 measured
AIME 2025 (Artificial Analysis run)76.0%Not measuredOnly R1 0528 measured
OTIS Mock AIME66.4%98.6%DeepSeek V4 Pro 0813
FrontierMath, tiers 1 to 3Not measured64.6%Only DeepSeek V4 Pro 0813 measured
FrontierMath, tier 4Not measured26.8%Only DeepSeek V4 Pro 0813 measured
ProofBenchNot measured50.0%Only DeepSeek V4 Pro 0813 measured
MATH level 596.6%Not measuredOnly R1 0528 measured
LMArena Text: math14001441DeepSeek V4 Pro 0813
LMArena Text: mathematical work14151443DeepSeek V4 Pro 0813
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
MMLU ProNot measured87.0%Only DeepSeek V4 Pro 0813 measured
LegalBench (Vals AI)Not measured82.4%Only DeepSeek V4 Pro 0813 measured
CorpFin (Vals AI)Not measured65.4%Only DeepSeek V4 Pro 0813 measured
TaxEval (Vals AI)Not measured73.1%Only DeepSeek V4 Pro 0813 measured
MedCode (Vals AI)Not measured42.5%Only DeepSeek V4 Pro 0813 measured
MMLU Pro (Artificial Analysis run)84.9%Not measuredOnly R1 0528 measured
SimpleQA VerifiedNot measured52.9%Only DeepSeek V4 Pro 0813 measured
LMArena Text: science14301457DeepSeek V4 Pro 0813
LMArena Text: medicine and healthcare14451446DeepSeek V4 Pro 0813
LMArena Text: legal and government14191459DeepSeek V4 Pro 0813
LMArena Text: business and finance14021442DeepSeek V4 Pro 0813
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
Web design benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
Design Arena: websites1149Not measuredOnly R1 0528 measured
Design Arena: UI components1102Not measuredOnly R1 0528 measured
Design Arena: game dev1098Not measuredOnly R1 0528 measured
Design Arena: data viz1182Not measuredOnly R1 0528 measured
Design Arena: 3D1111Not measuredOnly R1 0528 measured
Design Arena: all code categories1139Not 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 index015
General benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
Vals IndexNot measured53.0%Only DeepSeek V4 Pro 0813 measured
MedScribe (Vals AI)Not measured80.2%Only DeepSeek V4 Pro 0813 measured
IFBench39.6%Not measuredOnly R1 0528 measured
Long context reasoning (AA-LCR)55.7%80.3%DeepSeek V4 Pro 0813
DTBenchNot measured93.9%Only DeepSeek V4 Pro 0813 measured
LMCANot measured45.5%Only DeepSeek V4 Pro 0813 measured
Fiction.LiveBench75.0%Not measuredOnly R1 0528 measured
Creative writing (Lech Mazur)81.9%Not measuredOnly R1 0528 measured
LMArena Text14281446DeepSeek V4 Pro 0813
LMArena Text: instruction following13821448DeepSeek V4 Pro 0813
LMArena Text: creative writing14051439DeepSeek V4 Pro 0813
LMArena Text: English14371457DeepSeek V4 Pro 0813
LMArena Text: non-English14121431DeepSeek V4 Pro 0813
LMArena Text: Chinese14421481DeepSeek V4 Pro 0813
LMArena Text: German1404Not measuredOnly R1 0528 measured
LMArena Text: Japanese1391Not measuredOnly R1 0528 measured
LMArena Text: Korean13601449DeepSeek V4 Pro 0813
LMArena Text: French14171446DeepSeek V4 Pro 0813
LMArena Text: Spanish14111435DeepSeek V4 Pro 0813
LMArena Text: Russian14231448DeepSeek V4 Pro 0813
LMArena Text: Polish1428Not measuredOnly R1 0528 measured
LMArena Text: multi-turn14051454DeepSeek V4 Pro 0813
LMArena Text: longer queries13911458DeepSeek V4 Pro 0813
LMArena Text: writing and language14021443DeepSeek V4 Pro 0813
LMArena Text: entertainment and media14001424DeepSeek V4 Pro 0813
Neither model has a result on the other 21 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for R1 0528 and DeepSeek V4 Pro 0813
BenchmarkR1 0528DeepSeek V4 Pro 0813Leader
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
DeepSeek V4 Pro 0813$0.0016Fits in one request

R1 0528 costs less

Repository review

50K input + 3K output tokens

R1 0528$0.031Fits in one request
DeepSeek V4 Pro 0813$0.039Fits in one request

R1 0528 costs less

Agent loop

200K input + 10K output tokens

R1 0528$0.121Exceeds the context window
DeepSeek V4 Pro 0813$0.152Fits in one request

R1 0528 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 DeepSeek V4 Pro 0813
SpecificationDeepSeek R1 0528DeepSeek V4 Pro 0813
MakerDeepSeekDeepSeek
WeightsOpen weightsOpen weights
ReleasedMay 28, 2025August 12, 2026
Context window164K1.05M
Input $/Mtok$0.50$0.66
Output $/Mtok$2.15$1.98
Coding index71.454.6
Independent measurements behind it11
Cost per solved taskNot computable$0.10
SourceOpenRouter listingOpenRouter listing

Questions

Is R1 0528 better than DeepSeek V4 Pro 0813 for coding?

Pick R1 0528 for coding: it scores 71.4 on the Vibe Coding Index against 54.6 for DeepSeek V4 Pro 0813. Pick DeepSeek V4 Pro 0813 when output tokens cost 1.1x less, or when the context window is larger, 1.05M against 164K tokens.

Which is cheaper, R1 0528 or DeepSeek V4 Pro 0813?

R1 0528 costs $0.50 per million input tokens and $2.15 per million output tokens; DeepSeek V4 Pro 0813 costs $0.66 and $1.98. Cost per solved task is known for DeepSeek V4 Pro 0813 only.

Which has the bigger context window, R1 0528 or DeepSeek V4 Pro 0813?

DeepSeek V4 Pro 0813, with 1.05M tokens against 164K.

How many benchmarks is the R1 0528 vs DeepSeek V4 Pro 0813 comparison based on?

35 benchmarks have a result for both models as of October 21, 2026. R1 0528's coding index rests on 1 independent benchmark and DeepSeek V4 Pro 0813's on 1. Where only one model has a result, the page says so instead of naming a winner.

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