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DeepSeek V4 Flash 0423 vs Grok 4.7

Grok 4.7 leads DeepSeek V4 Flash 0423 on the Artificial Analysis Intelligence Index, 46.4 to 24.4, and DeepSeek V4 Flash 0423 costs 21.4x less per output token ($0.28 vs $6.00 per million). Updated October 21, 2026; 41 benchmarks have a result for both.

Replace DeepSeek V4 Flash 0423 Replace Grok 4.7
DeepSeek V4 Flash 0423DeepSeek
Coding
No data
Overall
No data
Output $/M
$0.28
27
Grok 4.7xAI
Coding
66.7
Overall
66.6
Output $/M
$6.00
14
vs boards won of 41 shared

DeepSeek V4 Flash 0423 or Grok 4.7: which to pick

Only Grok 4.7 has a coding score, 66.7 on the Vibe Coding Index; DeepSeek V4 Flash 0423 has none, so the two cannot be ranked on coding.

Pick DeepSeek V4 Flash 0423 for output tokens 21.4x cheaper ($0.28 vs $6.00 per million) and a larger context window (1.05M against 500K tokens).

Model ADeepSeek V4 Flash 0423DeepSeekNot benchmarked1 independent benchmarkNo cost per solved taskModel BGrok 4.7xAI66.7/1005 independent benchmarksNo cost per solved task
Shared results
41
DeepSeek V4 Flash 0423 only
8
Grok 4.7 only
58
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
DeepSeek V4 Flash 0423 not benchmarked, Grok 4.7 66.7 from 5 benchmarks.
Widest category
Intelligence, 16.2 points apart on average over 2 shared benchmarks.
Widest single gap
AA Intelligence Index: DeepSeek V4 Flash 0423 24.4 against Grok 4.7 46.4, 22.0 points apart on a 0 to 100 scale.
Output price
DeepSeek V4 Flash 0423 $0.28 against Grok 4.7 $6.00 per million output tokens, 21.4x apart.
Context window
DeepSeek V4 Flash 0423 takes 1.05M tokens, Grok 4.7 500K.

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 0423BarsGrok 4.7Ties
Coding23
Intelligence02
Reasoning30
Math11
Knowledge40
Web design06
General172
All shared boards2714
CodingLike-for-likeSix of these boards feed the Vibe Coding Index23
Coding benchmarks for DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
LiveBench codingNot measured84.5%Only Grok 4.7 measured
LMArena WebDev15821637Grok 4.7
AA Coding Index52.0Not measuredOnly DeepSeek V4 Flash 0423 measured
Terminal-Bench 4 (Vals AI)Not measured28.8%Only Grok 4.7 measured
Vibe Code Bench (Vals AI)Not measured86.2%Only Grok 4.7 measured
Code migration (Vals AI)Not measured44.8%Only Grok 4.7 measured
ProgramBench (Vals AI)Not measured0.5%Only Grok 4.7 measured
IOI (Vals AI)Not measured57.7%Only Grok 4.7 measured
Terminal-Bench 2.1 (Vals AI)Not measured73.4%Only Grok 4.7 measured
SWE-bench Multimodal (Vals AI)Not measured42.9%Only Grok 4.7 measured
CyberBench (Vals AI)Not measured69.5%Only Grok 4.7 measured
SciCodeNot measured57.8%Only Grok 4.7 measured
FrontierCodeNot measured47.6%Only Grok 4.7 measured
FrontierSWENot measured29.5%Only Grok 4.7 measured
WeirdML45.6%Not measuredOnly DeepSeek V4 Flash 0423 measured
ALE-Bench678.2Not measuredOnly DeepSeek V4 Flash 0423 measured
LMArena Text: coding14571432DeepSeek V4 Flash 0423
LMArena Text: software and IT14531421DeepSeek V4 Flash 0423
LMArena WebDev: React15851663Grok 4.7
LMArena WebDev: HTML15581627Grok 4.7
LMArena WebDev: from an imageNot measured1586Only Grok 4.7 measured
Neither model has a result on the other 18 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
AA Intelligence Index24.446.4Grok 4.7
Epoch Capabilities Index146.1154.4Grok 4.7
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index16 boards, none shared
Agentic work benchmarks for DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
AA Agentic Index26.3Not measuredOnly DeepSeek V4 Flash 0423 measured
LiveBench researchNot measured86.4%Only Grok 4.7 measured
LiveBench browserNot measured60.0%Only Grok 4.7 measured
LiveBench long agenticNot measured50.1%Only Grok 4.7 measured
SREBench (Vals AI)Not measured3.8%Only Grok 4.7 measured
Finance Agent (Vals AI)Not measured52.3%Only Grok 4.7 measured
Tax Agent Bench (Vals AI)Not measured34.2%Only Grok 4.7 measured
Legal Research Bench (Vals AI)Not measured47.1%Only Grok 4.7 measured
Harvey's Legal Agent Benchmark (Vals AI)Not measured18.3%Only Grok 4.7 measured
Excel Modeling Benchmark (Vals AI)Not measured67.0%Only Grok 4.7 measured
BioMysteryBench (Vals AI)Not measured69.3%Only Grok 4.7 measured
Terminal-Bench-Science (Vals AI)Not measured10.0%Only Grok 4.7 measured
Vals Science IndexNot measured34.8%Only Grok 4.7 measured
Robo-bench (Vals AI)Not measured0.2%Only Grok 4.7 measured
APEX-AgentsNot measured54.6%Only Grok 4.7 measured
Vending-Bench 2Not measured$10,537Only Grok 4.7 measured
Neither model has a result on the other 25 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index30
Reasoning benchmarks for DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
LiveBench reasoningNot measured82.7%Only Grok 4.7 measured
MysteryMechanism (Vals AI)Not measured25.2%Only Grok 4.7 measured
Humanity's Last Exam (Artificial Analysis run)Not measured43.1%Only Grok 4.7 measured
GPQA Diamond (Epoch AI run)Not measured92.7%Only Grok 4.7 measured
ARC-AGINot measured90.2%Only Grok 4.7 measured
ARC-AGI-2Not measured61.4%Only Grok 4.7 measured
SimpleBench46.3%Not measuredOnly DeepSeek V4 Flash 0423 measured
Chess puzzlesNot measured41.0%Only Grok 4.7 measured
Mystery game puzzlesNot measured29.0%Only Grok 4.7 measured
LMArena Text: hard prompts14441415DeepSeek V4 Flash 0423
LMArena Text: expert14411439DeepSeek V4 Flash 0423
LMArena Text: hard prompts in English14491427DeepSeek V4 Flash 0423
LMArena Vision: diagramsNot measured1254Only Grok 4.7 measured
LMArena Vision: homeworkNot measured1309Only Grok 4.7 measured
Kagi LLM Benchmark52.2%Not measuredOnly DeepSeek V4 Flash 0423 measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index11
Math benchmarks for DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
OTIS Mock AIMENot measured98.1%Only Grok 4.7 measured
FrontierMath, tiers 1 to 3Not measured53.0%Only Grok 4.7 measured
FrontierMath, tier 4Not measured17.1%Only Grok 4.7 measured
ProofBenchNot measured26.0%Only Grok 4.7 measured
LMArena Text: math14261414DeepSeek V4 Flash 0423
LMArena Text: mathematical work14321435Grok 4.7
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
LegalBench (Vals AI)Not measured84.4%Only Grok 4.7 measured
MedCode (Vals AI)Not measured49.5%Only Grok 4.7 measured
SimpleQA VerifiedNot measured56.0%Only Grok 4.7 measured
LMArena Text: science14461419DeepSeek V4 Flash 0423
LMArena Text: medicine and healthcare14481395DeepSeek V4 Flash 0423
LMArena Text: legal and government14391423DeepSeek V4 Flash 0423
LMArena Text: business and finance14251389DeepSeek V4 Flash 0423
Neither model has a result on the other 11 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index06
Web design benchmarks for DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
Design Arena: websites12081254Grok 4.7
Design Arena: UI components11651275Grok 4.7
Design Arena: game dev11971313Grok 4.7
Design Arena: data viz11271235Grok 4.7
Design Arena: 3D11891270Grok 4.7
Design Arena: all code categories12051271Grok 4.7
Design Arena: SVG1155Not measuredOnly DeepSeek V4 Flash 0423 measured
Design Arena: ASCII art1109Not measuredOnly DeepSeek V4 Flash 0423 measured
LiveBench designNot measured78.0%Only Grok 4.7 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index172
General benchmarks for DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
Vals IndexNot measured58.6%Only Grok 4.7 measured
LiveBench data analysisNot measured76.9%Only Grok 4.7 measured
Public Benefits Bench (Vals AI)Not measured65.6%Only Grok 4.7 measured
SAGE (Vals AI)Not measured40.8%Only Grok 4.7 measured
MedScribe (Vals AI)Not measured89.4%Only Grok 4.7 measured
Long context reasoning (AA-LCR)Not measured80.0%Only Grok 4.7 measured
DTBench86.4%96.0%Grok 4.7
LMCA35.9%49.4%Grok 4.7
Furniture assemblyNot measured20.8%Only Grok 4.7 measured
LMArena Text14321399DeepSeek V4 Flash 0423
LMArena Text: instruction following14211406DeepSeek V4 Flash 0423
LMArena Text: creative writing14031381DeepSeek V4 Flash 0423
LMArena VisionNot measured1231Only Grok 4.7 measured
LMArena Text: English14411411DeepSeek V4 Flash 0423
LMArena Text: non-English14191386DeepSeek V4 Flash 0423
LMArena Text: Chinese14631449DeepSeek V4 Flash 0423
LMArena Text: German14191366DeepSeek V4 Flash 0423
LMArena Text: Japanese13891359DeepSeek V4 Flash 0423
LMArena Text: Korean13831383DeepSeek V4 Flash 0423
LMArena Text: French14391431DeepSeek V4 Flash 0423
LMArena Text: Spanish14361406DeepSeek V4 Flash 0423
LMArena Text: Russian14271399DeepSeek V4 Flash 0423
LMArena Text: Polish14361420DeepSeek V4 Flash 0423
LMArena Text: multi-turn14491394DeepSeek V4 Flash 0423
LMArena Text: longer queries14341416DeepSeek V4 Flash 0423
LMArena Text: writing and language14101394DeepSeek V4 Flash 0423
LMArena Text: entertainment and media14001376DeepSeek V4 Flash 0423
LMArena Vision: EnglishNot measured1229Only Grok 4.7 measured
LMArena Vision: ChineseNot measured1250Only Grok 4.7 measured
LMArena Vision: reading textNot measured1241Only Grok 4.7 measured
LMArena Vision: creative writingNot measured1217Only Grok 4.7 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 DeepSeek V4 Flash 0423 and Grok 4.7
BenchmarkDeepSeek V4 Flash 0423Grok 4.7Leader
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 0423$0.0003Fits in one request
Grok 4.7$0.0050Fits in one request

DeepSeek V4 Flash 0423 costs less

Repository review

50K input + 3K output tokens

DeepSeek V4 Flash 0423$0.0073Fits in one request
Grok 4.7$0.118Fits in one request

DeepSeek V4 Flash 0423 costs less

Agent loop

200K input + 10K output tokens

DeepSeek V4 Flash 0423$0.029Fits in one request
Grok 4.7$0.460Fits in one request

DeepSeek V4 Flash 0423 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 0423 and Grok 4.7
SpecificationDeepSeek V4 Flash 0423SpaceXAI Grok 4.7
MakerDeepSeekxAI
WeightsOpen weightsNo public weights listed
ReleasedApril 24, 2026September 21, 2026
Context window1.05M500K
Input $/Mtok$0.13$2.00
Output $/Mtok$0.28$6.00
Coding indexNot benchmarked66.7
Independent measurements behind it15
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4 Flash 0423 better than Grok 4.7 for coding?

Only Grok 4.7 has a coding score, 66.7 on the Vibe Coding Index; DeepSeek V4 Flash 0423 has none, so the two cannot be ranked on coding. Pick DeepSeek V4 Flash 0423 for output tokens 21.4x cheaper ($0.28 vs $6.00 per million) and a larger context window (1.05M against 500K tokens).

Which is cheaper, DeepSeek V4 Flash 0423 or Grok 4.7?

DeepSeek V4 Flash 0423 costs $0.13 per million input tokens and $0.28 per million output tokens; Grok 4.7 costs $2.00 and $6.00. Cost per solved task is known for neither of them.

Which has the bigger context window, DeepSeek V4 Flash 0423 or Grok 4.7?

DeepSeek V4 Flash 0423, with 1.05M tokens against 500K.

How many benchmarks is the DeepSeek V4 Flash 0423 vs Grok 4.7 comparison based on?

41 benchmarks have a result for both models as of October 21, 2026. DeepSeek V4 Flash 0423's coding index rests on 1 independent benchmark and Grok 4.7's on 5. Where only one model has a result, the page says so instead of naming a winner.

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