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R1 0528 vs Inkling Small

Inkling Small leads R1 0528 on the Artificial Analysis Intelligence Index, 25.7 to 13.1, and Inkling Small costs 1.8x less per output token ($1.20 vs $2.18 per million). Updated October 22, 2026; 36 benchmarks have a result for both.

Replace R1 0528 Replace Inkling Small
R1 0528DeepSeek
Coding
No data
Overall
46.8
Output $/M
$2.18
11
T Inkling SmallThinking Machines
Coding
27.3
Overall
43.6
Output $/M
$1.20
25
vs boards won of 36 shared

R1 0528 or Inkling Small: which to pick

Only Inkling Small has a coding score, 27.3 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: science or LMArena Text: medicine and healthcare, where it leads.

Model AR1 0528DeepSeekNot benchmarkedNo coding benchmarkNo cost per solved taskModel BInkling SmallThinking Machines27.3/1004 independent benchmarks$0.16 per solved task
Shared results
36
R1 0528 only
24
Inkling Small only
48
Like-for-like categories
6 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, Inkling Small 27.3 from 4 benchmarks.
Widest category
Reasoning, 18.8 points apart on average over 8 shared benchmarks.
Widest single gap
ARC-AGI: R1 0528 21.2% against Inkling Small 84.0%, 62.8 points apart on a 0 to 100 scale.
Output price
R1 0528 $2.18 against Inkling Small $1.20 per million output tokens, 1.8x apart.
Context window
R1 0528 takes 164K tokens, Inkling Small 524K.

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 0528BarsInkling SmallTies
Coding02
Intelligence01
Reasoning08
Math03
Knowledge31
General810
All shared boards1125
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for R1 0528 and Inkling Small
BenchmarkR1 0528Inkling SmallLeader
Aider polyglot71.4%Not measuredOnly R1 0528 measured
LMArena WebDevNot measured1409Only Inkling Small measured
AA Coding IndexNot measured52.9Only Inkling Small measured
LiveCodeBench (Vals AI)Not measured85.9%Only Inkling Small measured
SWE-bench Verified (Vals AI)Not measured82.2%Only Inkling Small measured
Terminal-Bench 4 (Vals AI)Not measured0.0%Only Inkling Small measured
Vibe Code Bench (Vals AI)Not measured19.1%Only Inkling Small measured
Code migration (Vals AI)Not measured13.7%Only Inkling Small measured
ProgramBench (Vals AI)Not measured0.5%Only Inkling Small measured
IOI (Vals AI)Not measured9.3%Only Inkling Small measured
Terminal-Bench 2.1 (Vals AI)Not measured55.1%Only Inkling Small measured
SkillsBench (Vals AI)Not measured33.6%Only Inkling Small measured
CyberBench (Vals AI)Not measured64.1%Only Inkling Small measured
LiveCodeBench (Artificial Analysis run)77.0%Not measuredOnly R1 0528 measured
SciCodeNot measured49.7%Only Inkling Small measured
Terminal-Bench Hard (Artificial Analysis run)15.9%Not measuredOnly R1 0528 measured
WeirdML41.6%Not measuredOnly R1 0528 measured
ALE-Bench804.1Not measuredOnly R1 0528 measured
LMArena Text: coding14271450Inkling Small
LMArena Text: software and IT14351447Inkling Small
LMArena WebDev: ReactNot measured1399Only Inkling Small measured
LMArena WebDev: HTMLNot measured1398Only Inkling Small measured
LMArena WebDev: from an imageNot measured1410Only Inkling Small measured
Neither model has a result on the other 16 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for R1 0528 and Inkling Small
BenchmarkR1 0528Inkling SmallLeader
AA Intelligence Index13.125.7Inkling Small
Epoch Capabilities IndexNot measured150.3Only Inkling Small measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index10 boards, none shared
Agentic work benchmarks for R1 0528 and Inkling Small
BenchmarkR1 0528Inkling SmallLeader
AA Agentic IndexNot measured23.5Only Inkling Small measured
Finance Agent (Vals AI)Not measured41.3%Only Inkling Small measured
Tax Agent Bench (Vals AI)Not measured15.4%Only Inkling Small measured
Legal Research Bench (Vals AI)Not measured25.5%Only Inkling Small measured
Harvey's Legal Agent Benchmark (Vals AI)Not measured2.9%Only Inkling Small measured
Excel Modeling Benchmark (Vals AI)Not measured31.8%Only Inkling Small measured
τ²-Bench Telecom36.5%Not measuredOnly R1 0528 measured
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 31 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index08
Reasoning benchmarks for R1 0528 and Inkling Small
BenchmarkR1 0528Inkling SmallLeader
GPQA DiamondNot measured83.6%Only Inkling Small measured
GPQA Diamond (Artificial Analysis run)81.3%89.5%Inkling Small
Humanity's Last Exam (Artificial Analysis run)15.8%33.3%Inkling Small
GPQA Diamond (Epoch AI run)76.3%88.5%Inkling Small
ARC-AGI21.2%84.0%Inkling Small
ARC-AGI-21.1%40.1%Inkling Small
SimpleBench40.8%Not measuredOnly R1 0528 measured
Mystery game puzzlesNot measured6.0%Only Inkling Small measured
LMArena Text: hard prompts14151423Inkling Small
LMArena Text: expert13941441Inkling Small
LMArena Text: hard prompts in English14221429Inkling Small
LMArena Vision: diagramsNot measured1251Only Inkling Small measured
LMArena Vision: homeworkNot measured1257Only Inkling Small measured
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 Inkling Small
BenchmarkR1 0528Inkling SmallLeader
AA Math Index76.0Not measuredOnly R1 0528 measured
AIME 2025 (Artificial Analysis run)76.0%Not measuredOnly R1 0528 measured
OTIS Mock AIME66.4%90.0%Inkling Small
FrontierMath, tiers 1 to 3Not measured46.3%Only Inkling Small measured
FrontierMath, tier 4Not measured17.1%Only Inkling Small measured
ProofBenchNot measured6.0%Only Inkling Small measured
MATH level 596.6%Not measuredOnly R1 0528 measured
LMArena Text: math14001459Inkling Small
LMArena Text: mathematical work14151441Inkling Small
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index31
Knowledge benchmarks for R1 0528 and Inkling Small
BenchmarkR1 0528Inkling SmallLeader
MMLU ProNot measured85.6%Only Inkling Small measured
LegalBench (Vals AI)Not measured83.0%Only Inkling Small measured
CorpFin (Vals AI)Not measured69.6%Only Inkling Small measured
TaxEval (Vals AI)Not measured75.5%Only Inkling Small measured
MortgageTax (Vals AI)Not measured62.3%Only Inkling Small measured
MedCode (Vals AI)Not measured37.9%Only Inkling Small measured
MMLU Pro (Artificial Analysis run)84.9%Not measuredOnly R1 0528 measured
SimpleQA VerifiedNot measured19.1%Only Inkling Small measured
LMArena Text: science14301428R1 0528
LMArena Text: medicine and healthcare14451413R1 0528
LMArena Text: legal and government14191415R1 0528
LMArena Text: business and finance14021413Inkling Small
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 Inkling Small
BenchmarkR1 0528Inkling SmallLeader
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 index810
General benchmarks for R1 0528 and Inkling Small
BenchmarkR1 0528Inkling SmallLeader
Vals IndexNot measured27.6%Only Inkling Small measured
Public Benefits Bench (Vals AI)Not measured59.4%Only Inkling Small measured
SAGE (Vals AI)Not measured32.7%Only Inkling Small measured
MedScribe (Vals AI)Not measured84.1%Only Inkling Small measured
Vals Multimodal IndexNot measured50.0%Only Inkling Small measured
IFBench39.6%Not measuredOnly R1 0528 measured
Long context reasoning (AA-LCR)55.7%75.7%Inkling Small
Fiction.LiveBench75.0%Not measuredOnly R1 0528 measured
Creative writing (Lech Mazur)81.9%Not measuredOnly R1 0528 measured
LMArena Text14281413R1 0528
LMArena Text: instruction following13821399Inkling Small
LMArena Text: creative writing14051334R1 0528
LMArena VisionNot measured1237Only Inkling Small measured
LMArena Text: English14371421R1 0528
LMArena Text: non-English14121401R1 0528
LMArena Text: Chinese14421464Inkling Small
LMArena Text: German14041408Inkling Small
LMArena Text: Japanese13911401Inkling Small
LMArena Text: Korean13601367Inkling Small
LMArena Text: French14171435Inkling Small
LMArena Text: Spanish14111422Inkling Small
LMArena Text: Russian14231394R1 0528
LMArena Text: Polish14281428R1 0528
LMArena Text: multi-turn14051416Inkling Small
LMArena Text: longer queries13911402Inkling Small
LMArena Text: writing and language14021357R1 0528
LMArena Text: entertainment and media14001352R1 0528
LMArena Vision: EnglishNot measured1243Only Inkling Small measured
LMArena Vision: ChineseNot measured1292Only Inkling Small measured
LMArena Vision: reading textNot measured1243Only Inkling Small measured
LMArena Vision: humorNot measured1207Only Inkling Small measured
LMArena Vision: creative writingNot measured1205Only Inkling Small measured
Neither model has a result on the other 14 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for R1 0528 and Inkling Small
BenchmarkR1 0528Inkling SmallLeader
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
Inkling Small$0.0010Fits in one request

Inkling Small costs less

Repository review

50K input + 3K output tokens

R1 0528$0.032Fits in one request
Inkling Small$0.026Fits in one request

Inkling Small costs less

Agent loop

200K input + 10K output tokens

R1 0528$0.122Exceeds the context window
Inkling Small$0.102Fits in one request

Inkling Small 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 Inkling Small
SpecificationDeepSeek R1 0528Thinking Machines Inkling Small
MakerDeepSeekThinking Machines
WeightsOpen weightsOpen weights
ReleasedMay 28, 2025July 30, 2026
Context window164K524K
Input $/Mtok$0.50$0.45
Output $/Mtok$2.18$1.20
Coding indexNot benchmarked27.3
Independent measurements behind it04
Cost per solved taskNot computable$0.16
SourceOpenRouter listingOpenRouter listing

Questions

Is R1 0528 better than Inkling Small for coding?

Only Inkling Small has a coding score, 27.3 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: science or LMArena Text: medicine and healthcare, where it leads.

Which is cheaper, R1 0528 or Inkling Small?

R1 0528 costs $0.50 per million input tokens and $2.18 per million output tokens; Inkling Small costs $0.45 and $1.20. Cost per solved task is known for Inkling Small only.

Which has the bigger context window, R1 0528 or Inkling Small?

Inkling Small, with 524K tokens against 164K.

How many benchmarks is the R1 0528 vs Inkling Small comparison based on?

36 benchmarks have a result for both models as of October 22, 2026. R1 0528's coding index rests on 0 independent benchmarks and Inkling Small's on 4. Where only one model has a result, the page says so instead of naming a winner.

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