Enter opens the highlighted result. Esc closes.

DeepSeek V4 Flash 0731 vs Inkling

DeepSeek V4 Flash 0731 leads Inkling on coding, 51.8 to 31.5 on the Vibe Coding Index, and DeepSeek V4 Flash 0731 costs 14.5x less per output token ($0.28 vs $4.05 per million). Updated October 21, 2026; 52 benchmarks have a result for both.

Replace DeepSeek V4 Flash 0731 Replace Inkling
DeepSeek V4 Flash 0731DeepSeek
Coding
51.8
Overall
34.3
Output $/M
$0.28
45
T InklingThinking Machines
Coding
31.5
Overall
25.0
Output $/M
$4.05
6
vs boards won of 52 shared, 1 tied

DeepSeek V4 Flash 0731 or Inkling: which to pick

Pick DeepSeek V4 Flash 0731 for coding: it scores 51.8 on the Vibe Coding Index against 31.5 for Inkling, though on 4 benchmarks against 6.

Pick Inkling for work measured by MMLU Pro or LegalBench (Vals AI), where it leads.

Model ADeepSeek V4 Flash 0731DeepSeek51.8/1004 independent benchmarks$0.01 per solved taskModel BInklingThinking Machines31.5/1006 independent benchmarks$0.76 per solved task
Shared results
52
DeepSeek V4 Flash 0731 only
3
Inkling only
50
Like-for-like categories
8 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
DeepSeek V4 Flash 0731 51.8 from 4 benchmarks, Inkling 31.5 from 6 benchmarks.
Widest category
Math, 26.3 points apart on average over 4 shared benchmarks.
Widest single gap
ProofBench: DeepSeek V4 Flash 0731 56.0% against Inkling 0.0%, 56.0 points apart on a 0 to 100 scale.
Output price
DeepSeek V4 Flash 0731 $0.28 against Inkling $4.05 per million output tokens, 14.5x apart.
Context window
DeepSeek V4 Flash 0731 takes 1.05M tokens, Inkling 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
CategoryDeepSeek V4 Flash 0731BarsInklingTies
Coding1401 tie
Intelligence20
Agentic work50
Reasoning80
Math40
Knowledge15
Web design80
General31
All shared boards4561 tie
CodingLike-for-likeSix of these boards feed the Vibe Coding Index140
Coding benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
LiveBench codingNot measured64.0%Only Inkling measured
LMArena WebDevNot measured1414Only Inkling measured
AA Coding Index69.152.1DeepSeek V4 Flash 0731
LiveCodeBench (Vals AI)87.3%85.5%DeepSeek V4 Flash 0731
SWE-bench Verified (Vals AI)88.8%77.6%DeepSeek V4 Flash 0731
Terminal-Bench 4 (Vals AI)18.7%0.5%DeepSeek V4 Flash 0731
Vibe Code Bench (Vals AI)74.7%19.2%DeepSeek V4 Flash 0731
Code migration (Vals AI)38.6%11.8%DeepSeek V4 Flash 0731
ProgramBench (Vals AI)0.0%0.0%Tie
IOI (Vals AI)32.7%14.9%DeepSeek V4 Flash 0731
Terminal-Bench 2.1 (Vals AI)67.0%47.6%DeepSeek V4 Flash 0731
Vibe Code Bench 1-100 (Vals AI)Not measured7.3%Only Inkling measured
SkillsBench (Vals AI)50.7%26.1%DeepSeek V4 Flash 0731
CyberBench (Vals AI)72.1%66.8%DeepSeek V4 Flash 0731
SciCode50.3%47.0%DeepSeek V4 Flash 0731
FrontierCode18.8%14.0%DeepSeek V4 Flash 0731
FrontierSWENot measured4.1%Only Inkling measured
WeirdML63.0%32.3%DeepSeek V4 Flash 0731
ALE-Bench1306.1946.0DeepSeek V4 Flash 0731
LMArena Text: codingNot measured1466Only Inkling measured
LMArena Text: software and ITNot measured1465Only Inkling measured
LMArena WebDev: ReactNot measured1404Only Inkling measured
LMArena WebDev: HTMLNot measured1399Only Inkling measured
Neither model has a result on the other 15 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
AA Intelligence Index34.325.0DeepSeek V4 Flash 0731
Epoch Capabilities Index154.8148.4DeepSeek V4 Flash 0731
Agentic workLike-for-likePublic boards, shown as published, kept out of the index50
Agentic work benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
AA Agentic Index41.022.5DeepSeek V4 Flash 0731
Design Arena: agents building web appsNot measured1196Only Inkling measured
LiveBench researchNot measured59.9%Only Inkling measured
LiveBench browserNot measured16.0%Only Inkling measured
LiveBench long agenticNot measured14.1%Only Inkling measured
SREBench (Vals AI)Not measured0.0%Only Inkling measured
Finance Agent (Vals AI)49.5%46.6%DeepSeek V4 Flash 0731
Tax Agent Bench (Vals AI)28.1%15.3%DeepSeek V4 Flash 0731
Legal Research Bench (Vals AI)30.3%28.4%DeepSeek V4 Flash 0731
Harvey's Legal Agent Benchmark (Vals AI)Not measured3.8%Only Inkling measured
Excel Modeling Benchmark (Vals AI)57.0%38.4%DeepSeek V4 Flash 0731
BioMysteryBench (Vals AI)64.4%Not measuredOnly DeepSeek V4 Flash 0731 measured
Terminal-Bench-Science (Vals AI)4.3%Not measuredOnly DeepSeek V4 Flash 0731 measured
APEX-AgentsNot measured33.8%Only Inkling measured
Neither model has a result on the other 25 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index80
Reasoning benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
GPQA Diamond89.9%87.1%DeepSeek V4 Flash 0731
LiveBench reasoningNot measured78.3%Only Inkling measured
MMMU Pro (Vals AI)Not measured78.5%Only Inkling measured
GPQA Diamond (Artificial Analysis run)90.8%87.2%DeepSeek V4 Flash 0731
Humanity's Last Exam (Artificial Analysis run)38.6%31.9%DeepSeek V4 Flash 0731
GPQA Diamond (Epoch AI run)91.0%88.3%DeepSeek V4 Flash 0731
ARC-AGI89.0%79.5%DeepSeek V4 Flash 0731
ARC-AGI-261.4%36.5%DeepSeek V4 Flash 0731
SimpleBench61.1%50.0%DeepSeek V4 Flash 0731
Chess puzzles32.0%21.0%DeepSeek V4 Flash 0731
Mystery game puzzles34.0%Not measuredOnly DeepSeek V4 Flash 0731 measured
LMArena Text: hard promptsNot measured1451Only Inkling measured
LMArena Text: expertNot measured1466Only Inkling measured
LMArena Text: hard prompts in EnglishNot measured1448Only Inkling measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
OTIS Mock AIME94.4%88.9%DeepSeek V4 Flash 0731
FrontierMath, tiers 1 to 357.5%33.3%DeepSeek V4 Flash 0731
FrontierMath, tier 424.4%4.9%DeepSeek V4 Flash 0731
ProofBench56.0%0.0%DeepSeek V4 Flash 0731
LMArena Text: mathNot measured1479Only Inkling measured
LMArena Text: mathematical workNot measured1460Only Inkling measured
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index15
Knowledge benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
MMLU Pro86.2%86.3%Inkling
LegalBench (Vals AI)77.7%83.0%Inkling
CorpFin (Vals AI)61.9%68.6%Inkling
TaxEval (Vals AI)70.7%75.3%Inkling
MortgageTax (Vals AI)Not measured64.0%Only Inkling measured
MedCode (Vals AI)41.4%41.2%DeepSeek V4 Flash 0731
SimpleQA Verified33.6%40.3%Inkling
LMArena Text: scienceNot measured1455Only Inkling measured
LMArena Text: medicine and healthcareNot measured1447Only Inkling measured
LMArena Text: legal and governmentNot measured1448Only Inkling measured
LMArena Text: business and financeNot measured1438Only Inkling measured
Neither model has a result on the other 6 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index80
Web design benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
Design Arena: websites12381224DeepSeek V4 Flash 0731
Design Arena: UI components12351201DeepSeek V4 Flash 0731
Design Arena: game dev12081166DeepSeek V4 Flash 0731
Design Arena: data viz11801159DeepSeek V4 Flash 0731
Design Arena: 3D12091161DeepSeek V4 Flash 0731
Design Arena: all code categories12301206DeepSeek V4 Flash 0731
Design Arena: SVG11851110DeepSeek V4 Flash 0731
Design Arena: ASCII art10901089DeepSeek V4 Flash 0731
LiveBench designNot measured58.3%Only Inkling measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index31
General benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
Vals IndexNot measured29.0%Only Inkling measured
LiveBench data analysisNot measured72.8%Only Inkling measured
Public Benefits Bench (Vals AI)Not measured58.5%Only Inkling measured
SAGE (Vals AI)Not measured36.5%Only Inkling measured
MedScribe (Vals AI)80.4%85.4%Inkling
Vals Multimodal IndexNot measured49.4%Only Inkling measured
Long context reasoning (AA-LCR)79.7%77.3%DeepSeek V4 Flash 0731
DTBench90.9%87.5%DeepSeek V4 Flash 0731
LMCA41.7%37.6%DeepSeek V4 Flash 0731
LMArena TextNot measured1442Only Inkling measured
LMArena Text: instruction followingNot measured1425Only Inkling measured
LMArena Text: creative writingNot measured1390Only Inkling measured
LMArena Text: EnglishNot measured1442Only Inkling measured
LMArena Text: non-EnglishNot measured1434Only Inkling measured
LMArena Text: ChineseNot measured1493Only Inkling measured
LMArena Text: GermanNot measured1445Only Inkling measured
LMArena Text: JapaneseNot measured1429Only Inkling measured
LMArena Text: KoreanNot measured1403Only Inkling measured
LMArena Text: FrenchNot measured1455Only Inkling measured
LMArena Text: SpanishNot measured1449Only Inkling measured
LMArena Text: RussianNot measured1430Only Inkling measured
LMArena Text: PolishNot measured1450Only Inkling measured
LMArena Text: multi-turnNot measured1437Only Inkling measured
LMArena Text: longer queriesNot measured1435Only Inkling measured
LMArena Text: writing and languageNot measured1404Only Inkling measured
LMArena Text: entertainment and mediaNot measured1394Only Inkling measured
Neither model has a result on the other 20 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for DeepSeek V4 Flash 0731 and Inkling
BenchmarkDeepSeek V4 Flash 0731InklingLeader
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

DeepSeek V4 Flash 0731$0.0003Fits in one request
Inkling$0.0030Fits in one request

DeepSeek V4 Flash 0731 costs less

Repository review

50K input + 3K output tokens

DeepSeek V4 Flash 0731$0.0078Fits in one request
Inkling$0.061Fits in one request

DeepSeek V4 Flash 0731 costs less

Agent loop

200K input + 10K output tokens

DeepSeek V4 Flash 0731$0.031Fits in one request
Inkling$0.235Fits in one request

DeepSeek V4 Flash 0731 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 DeepSeek V4 Flash 0731 and Inkling
SpecificationDeepSeek V4 Flash 0731Thinking Machines Inkling
MakerDeepSeekThinking Machines
WeightsOpen weightsOpen weights
ReleasedJuly 31, 2026July 17, 2026
Context window1.05M524K
Input $/Mtok$0.14$0.975
Output $/Mtok$0.28$4.05
Coding index51.831.5
Independent measurements behind it46
Cost per solved task$0.01$0.76
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4 Flash 0731 better than Inkling for coding?

Pick DeepSeek V4 Flash 0731 for coding: it scores 51.8 on the Vibe Coding Index against 31.5 for Inkling, though on 4 benchmarks against 6. Pick Inkling for work measured by MMLU Pro or LegalBench (Vals AI), where it leads.

Which is cheaper, DeepSeek V4 Flash 0731 or Inkling?

DeepSeek V4 Flash 0731 costs $0.14 per million input tokens and $0.28 per million output tokens; Inkling costs $0.975 and $4.05. Per solved SWE-bench Verified task, DeepSeek V4 Flash 0731 costs $0.01 and Inkling $0.76.

Which has the bigger context window, DeepSeek V4 Flash 0731 or Inkling?

DeepSeek V4 Flash 0731, with 1.05M tokens against 524K.

How many benchmarks is the DeepSeek V4 Flash 0731 vs Inkling comparison based on?

52 benchmarks have a result for both models as of October 21, 2026. DeepSeek V4 Flash 0731's coding index rests on 4 independent benchmarks and Inkling's on 6. Where only one model has a result, the page says so instead of naming a winner.

Compare next

Embed this comparison on your site

Free under CC BY 4.0, while the source link stays visible. Preview the frame · Terms and other embeds

<iframe src="https://llmbenchmark.ai/embed/compare/deepseek-v4-flash-0731-vs-thinkingmachines-inkling" title="DeepSeek V4 Flash 0731 vs Inkling, LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/deepseek-v4-flash-0731-vs-thinkingmachines-inkling">LLMBenchmark.ai, DeepSeek V4 Flash 0731 vs Inkling</a></p>