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Beam 1.0 501B A23B vs Inkling Small

Updated October 21, 2026. 26 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Beam 1.0 501B A23B Replace Inkling Small
R Beam 1.0 501B A23BReflection
Coding
33.8
Overall
No data
Output $/M
$1.00
22
T Inkling SmallThinking Machines
Coding
29.9
Overall
25.7
Output $/M
$1.20
4
vs boards won of 26 shared

Decision reading

Pick Beam 1.0 501B A23B for coding: it scores 33.8 on the Vibe Coding Index against 29.9 for Inkling Small.

Pick Inkling Small when what matters is LMArena Text: math or LMArena Text: medicine and healthcare, where it leads.

Model ABeam 1.0 501B A23BReflection33.8/1001 independent benchmarkNo cost per solved taskModel BInkling SmallThinking Machines29.9/1001 independent benchmark$0.16 per solved task
Shared results
26
Beam 1.0 501B A23B only
2
Inkling Small only
58
Like-for-like categories
5 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
Beam 1.0 501B A23B 33.8 from 1 benchmark, Inkling Small 29.9 from 1 benchmark.
Widest category
Coding, 4.7 points apart on average over 5 shared benchmarks.
Widest single gap
LMArena Text: creative writing: Beam 1.0 501B A23B 1390 against Inkling Small 1334, 9.4 points apart on a 0 to 100 scale.
Output price
Beam 1.0 501B A23B $1.00 against Inkling Small $1.20 per million output tokens, 1.2x apart.
Context window
Beam 1.0 501B A23B takes 1.05M 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
CategoryBeam 1.0 501B A23BBarsInkling SmallTies
Coding50
Reasoning30
Math11
Knowledge31
General102
All shared boards224
CodingLike-for-likeFour of these boards feed the Vibe Coding Index50
Coding benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling SmallLeader
LMArena WebDev14371409Beam 1.0 501B A23B
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
SciCodeNot measured49.7%Only Inkling Small measured
LMArena Text: coding14731450Beam 1.0 501B A23B
LMArena Text: software and IT14611447Beam 1.0 501B A23B
LMArena WebDev: React14431399Beam 1.0 501B A23B
LMArena WebDev: HTML14361398Beam 1.0 501B A23B
LMArena WebDev: from an imageNot measured1410Only Inkling Small measured
Neither model has a result on the other 20 boards here
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Intelligence benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling SmallLeader
AA Intelligence IndexNot measured25.7Only Inkling Small measured
Epoch Capabilities IndexNot measured150.3Only Inkling Small measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Agentic work benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling 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
Neither model has a result on the other 33 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index30
Reasoning benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling SmallLeader
GPQA DiamondNot measured83.6%Only Inkling Small measured
GPQA Diamond (Artificial Analysis run)Not measured89.5%Only Inkling Small measured
Humanity's Last Exam (Artificial Analysis run)Not measured33.3%Only Inkling Small measured
GPQA Diamond (Epoch AI run)Not measured88.5%Only Inkling Small measured
ARC-AGINot measured84.0%Only Inkling Small measured
ARC-AGI-2Not measured40.1%Only Inkling Small measured
Mystery game puzzlesNot measured6.0%Only Inkling Small measured
LMArena Text: hard prompts14421423Beam 1.0 501B A23B
LMArena Text: expert14471441Beam 1.0 501B A23B
LMArena Text: hard prompts in English14511429Beam 1.0 501B A23B
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 index11
Math benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling SmallLeader
OTIS Mock AIMENot measured90.0%Only Inkling Small measured
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
LMArena Text: math14591459Inkling Small
LMArena Text: mathematical work14751441Beam 1.0 501B A23B
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index31
Knowledge benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling 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
SimpleQA VerifiedNot measured19.1%Only Inkling Small measured
LMArena Text: science14301428Beam 1.0 501B A23B
LMArena Text: medicine and healthcare13761413Inkling Small
LMArena Text: legal and government14331415Beam 1.0 501B A23B
LMArena Text: business and finance14301413Beam 1.0 501B A23B
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Web design benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling SmallLeader
Design Arena: websites1253Not measuredOnly Beam 1.0 501B A23B measured
Design Arena: game dev1222Not measuredOnly Beam 1.0 501B A23B measured
Neither model has a result on the other 7 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index102
General benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling 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
Long context reasoning (AA-LCR)Not measured75.7%Only Inkling Small measured
LMArena Text14251413Beam 1.0 501B A23B
LMArena Text: instruction following14301399Beam 1.0 501B A23B
LMArena Text: creative writing13901334Beam 1.0 501B A23B
LMArena VisionNot measured1237Only Inkling Small measured
LMArena Text: English14361421Beam 1.0 501B A23B
LMArena Text: non-English14131401Beam 1.0 501B A23B
LMArena Text: Chinese14241464Inkling Small
LMArena Text: GermanNot measured1408Only Inkling Small measured
LMArena Text: JapaneseNot measured1401Only Inkling Small measured
LMArena Text: KoreanNot measured1367Only Inkling Small measured
LMArena Text: French14611435Beam 1.0 501B A23B
LMArena Text: SpanishNot measured1422Only Inkling Small measured
LMArena Text: Russian14121394Beam 1.0 501B A23B
LMArena Text: PolishNot measured1428Only Inkling Small measured
LMArena Text: multi-turn14141416Inkling Small
LMArena Text: longer queries14291402Beam 1.0 501B A23B
LMArena Text: writing and language14001357Beam 1.0 501B A23B
LMArena Text: entertainment and media13991352Beam 1.0 501B A23B
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 17 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Beam 1.0 501B A23B and Inkling Small
BenchmarkBeam 1.0 501B A23BInkling 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

Beam 1.0 501B A23B$0.0008Fits in one request
Inkling Small$0.0010Fits in one request

Beam 1.0 501B A23B costs less

Repository review

50K input + 3K output tokens

Beam 1.0 501B A23B$0.018Fits in one request
Inkling Small$0.026Fits in one request

Beam 1.0 501B A23B costs less

Agent loop

200K input + 10K output tokens

Beam 1.0 501B A23B$0.070Fits in one request
Inkling Small$0.102Fits in one request

Beam 1.0 501B A23B 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 Beam 1.0 501B A23B and Inkling Small
SpecificationReflection Beam 1.0 501B A23BThinking Machines Inkling Small
MakerReflectionThinking Machines
WeightsOpen weightsOpen weights
ReleasedOctober 16, 2026July 30, 2026
Context window1.05M524K
Input $/Mtok$0.30$0.45
Output $/Mtok$1.00$1.20
Coding index33.829.9
Independent measurements behind it11
Cost per solved taskNot computable$0.16
SourceOpenRouter listingOpenRouter listing

Questions

Is Beam 1.0 501B A23B better than Inkling Small for coding?

Pick Beam 1.0 501B A23B for coding: it scores 33.8 on the Vibe Coding Index against 29.9 for Inkling Small. Pick Inkling Small when what matters is LMArena Text: math or LMArena Text: medicine and healthcare, where it leads.

Which is cheaper, Beam 1.0 501B A23B or Inkling Small?

Beam 1.0 501B A23B costs $0.30 per million input tokens and $1.00 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, Beam 1.0 501B A23B or Inkling Small?

Beam 1.0 501B A23B, with 1.05M tokens against 524K.

How many benchmarks is the Beam 1.0 501B A23B vs Inkling Small comparison based on?

26 benchmarks have a result for both models as of October 21, 2026. Beam 1.0 501B A23B's coding index rests on 1 independent benchmark and Inkling Small's on 1. Where only one model has a result, the page says so instead of naming a winner.

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