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DeepSeek V4 Pro 0423 vs Grok 4.6

Updated October 21, 2026. 80 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace DeepSeek V4 Pro 0423 Replace Grok 4.6
DeepSeek V4 Pro 0423DeepSeek
Coding
35.3
Overall
30.4
Output $/M
$1.9105
27
Grok 4.6xAI
Coding
76.4
Overall
44.3
Output $/M
$6.00
53
vs boards won of 80 shared

Decision reading

Pick Grok 4.6 for coding: it scores 76.4 on the Vibe Coding Index against 35.3 for DeepSeek V4 Pro 0423.

Pick DeepSeek V4 Pro 0423 when output tokens cost 3.1x less, or when a solved task costs $0.57 against $0.82.

Model ADeepSeek V4 Pro 0423DeepSeek35.3/1001 independent benchmark$0.57 per solved taskModel BGrok 4.6xAI76.4/1002 independent benchmarks$0.82 per solved task
Shared results
80
DeepSeek V4 Pro 0423 only
3
Grok 4.6 only
43
Like-for-like categories
8 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
DeepSeek V4 Pro 0423 35.3 from 1 benchmark, Grok 4.6 76.4 from 2 benchmarks.
Widest category
Agentic work, 23.8 points apart on average over 9 shared benchmarks.
Widest single gap
Design Arena: agents building full-stack apps: DeepSeek V4 Pro 0423 948 against Grok 4.6 1264, 39.5 points apart on a 0 to 100 scale.
Output price
DeepSeek V4 Pro 0423 $1.9105 against Grok 4.6 $6.00 per million output tokens, 3.1x apart.
Context window
DeepSeek V4 Pro 0423 takes 1.05M tokens, Grok 4.6 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 Pro 0423BarsGrok 4.6Ties
Coding215
Intelligence02
Agentic work09
Reasoning25
Math15
Knowledge55
Web design08
General174
All shared boards2753
CodingLike-for-likeFour of these boards feed the Vibe Coding Index215
Coding benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
LiveBench codingNot measured89.1%Only Grok 4.6 measured
LMArena WebDev14471617Grok 4.6
AA Coding Index59.476.8Grok 4.6
LiveCodeBench (Vals AI)87.5%88.2%Grok 4.6
SWE-bench Verified (Vals AI)77.4%95.6%Grok 4.6
Terminal-Bench 4 (Vals AI)11.1%17.2%Grok 4.6
Vibe Code Bench (Vals AI)49.9%76.2%Grok 4.6
Code migration (Vals AI)26.2%44.6%Grok 4.6
ProgramBench (Vals AI)0.0%1.0%Grok 4.6
IOI (Vals AI)Not measured47.6%Only Grok 4.6 measured
Terminal-Bench 2.1 (Vals AI)50.2%78.3%Grok 4.6
Vibe Code Bench 1-100 (Vals AI)Not measured14.8%Only Grok 4.6 measured
SkillsBench (Vals AI)51.3%55.8%Grok 4.6
CyberBench (Vals AI)Not measured67.7%Only Grok 4.6 measured
SciCodeNot measured56.5%Only Grok 4.6 measured
FrontierCode17.6%48.0%Grok 4.6
FrontierSWENot measured25.3%Only Grok 4.6 measured
WeirdML48.9%67.3%Grok 4.6
ALE-Bench1006.11508.1Grok 4.6
LMArena Text: coding14701466DeepSeek V4 Pro 0423
LMArena Text: software and IT14691457DeepSeek V4 Pro 0423
LMArena WebDev: React14411631Grok 4.6
LMArena WebDev: HTML14351597Grok 4.6
LMArena WebDev: from an imageNot measured1603Only Grok 4.6 measured
Neither model has a result on the other 14 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
AA Intelligence Index30.444.3Grok 4.6
Epoch Capabilities Index149.1156.6Grok 4.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index09
Agentic work benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
AA Agentic Index26.353.0Grok 4.6
Design Arena: agents building web apps10001247Grok 4.6
Design Arena: agents building full-stack apps9481264Grok 4.6
Design Arena: agents building mobile appsNot measured1234Only Grok 4.6 measured
Design Arena: agents building Android appsNot measured1297Only Grok 4.6 measured
Design Arena: agents building Godot games10591276Grok 4.6
Design Arena: agents building gamesNot measured1208Only Grok 4.6 measured
Design Arena: HTML slidesNot measured1249Only Grok 4.6 measured
Design Arena: PowerPoint slidesNot measured1241Only Grok 4.6 measured
LiveBench researchNot measured84.5%Only Grok 4.6 measured
LiveBench browserNot measured64.0%Only Grok 4.6 measured
LiveBench long agenticNot measured40.7%Only Grok 4.6 measured
Finance Agent (Vals AI)44.1%53.7%Grok 4.6
Tax Agent Bench (Vals AI)25.2%33.1%Grok 4.6
Legal Research Bench (Vals AI)23.1%48.1%Grok 4.6
Excel Modeling Benchmark (Vals AI)51.6%62.7%Grok 4.6
BioMysteryBench (Vals AI)Not measured72.2%Only Grok 4.6 measured
Terminal-Bench-Science (Vals AI)Not measured11.4%Only Grok 4.6 measured
Vals Science IndexNot measured38.1%Only Grok 4.6 measured
Time Horizon Index (Vals AI)Not measured5.8%Only Grok 4.6 measured
APEX-AgentsNot measured65.3%Only Grok 4.6 measured
Vending-Bench 2$3,285$9,047Grok 4.6
Neither model has a result on the other 17 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index25
Reasoning benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
GPQA Diamond89.4%94.7%Grok 4.6
LiveBench reasoningNot measured91.2%Only Grok 4.6 measured
MysteryMechanism (Vals AI)Not measured30.6%Only Grok 4.6 measured
GPQA Diamond (Artificial Analysis run)Not measured94.9%Only Grok 4.6 measured
Humanity's Last Exam (Artificial Analysis run)Not measured44.1%Only Grok 4.6 measured
GPQA Diamond (Epoch AI run)90.9%94.0%Grok 4.6
ARC-AGINot measured87.5%Only Grok 4.6 measured
ARC-AGI-2Not measured67.1%Only Grok 4.6 measured
SimpleBenchNot measured75.9%Only Grok 4.6 measured
Chess puzzles19.0%33.0%Grok 4.6
Mystery game puzzles17.0%34.0%Grok 4.6
EBR-benchNot measured30.5%Only Grok 4.6 measured
LMArena Text: hard prompts14611448DeepSeek V4 Pro 0423
LMArena Text: expert14631469Grok 4.6
LMArena Text: hard prompts in English14661445DeepSeek V4 Pro 0423
LMArena Vision: diagramsNot measured1285Only Grok 4.6 measured
LMArena Vision: homeworkNot measured1283Only Grok 4.6 measured
Neither model has a result on the other 4 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index15
Math benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
OTIS Mock AIME96.7%99.2%Grok 4.6
FrontierMath, tiers 1 to 345.3%66.0%Grok 4.6
FrontierMath, tier 42.4%31.7%Grok 4.6
ProofBench16.0%51.0%Grok 4.6
LMArena Text: math14431417DeepSeek V4 Pro 0423
LMArena Text: mathematical work14551464Grok 4.6
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index55
Knowledge benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
MMLU Pro87.3%89.4%Grok 4.6
LegalBench (Vals AI)80.3%86.3%Grok 4.6
CaseLaw (Vals AI)59.4%Not measuredOnly DeepSeek V4 Pro 0423 measured
CorpFin (Vals AI)61.4%66.2%Grok 4.6
TaxEval (Vals AI)72.1%71.1%DeepSeek V4 Pro 0423
MortgageTax (Vals AI)Not measured64.2%Only Grok 4.6 measured
MedCode (Vals AI)40.5%44.7%Grok 4.6
SimpleQA Verified47.0%49.3%Grok 4.6
LMArena Text: science14701437DeepSeek V4 Pro 0423
LMArena Text: medicine and healthcare14661420DeepSeek V4 Pro 0423
LMArena Text: legal and government14641429DeepSeek V4 Pro 0423
LMArena Text: business and finance14431416DeepSeek V4 Pro 0423
Neither model has a result on the other 5 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index08
Web design benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
Design Arena: websites12351289Grok 4.6
Design Arena: UI components12211294Grok 4.6
Design Arena: game dev12291296Grok 4.6
Design Arena: data viz12031283Grok 4.6
Design Arena: 3D12541277Grok 4.6
Design Arena: all code categories12401292Grok 4.6
Design Arena: SVG11391239Grok 4.6
Design Arena: ASCII art11481278Grok 4.6
LiveBench designNot measured79.8%Only Grok 4.6 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index174
General benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
LiveBench data analysisNot measured75.3%Only Grok 4.6 measured
Public Benefits Bench (Vals AI)62.9%66.8%Grok 4.6
SAGE (Vals AI)Not measured28.9%Only Grok 4.6 measured
MedScribe (Vals AI)75.1%86.5%Grok 4.6
Long context reasoning (AA-LCR)Not measured81.0%Only Grok 4.6 measured
DTBench90.7%97.3%Grok 4.6
LMCA41.2%48.5%Grok 4.6
Surface Evolver Bench40.0%Not measuredOnly DeepSeek V4 Pro 0423 measured
Furniture assemblyNot measured40.0%Only Grok 4.6 measured
CL-bench Life13.5%Not measuredOnly DeepSeek V4 Pro 0423 measured
LMArena Text14511429DeepSeek V4 Pro 0423
LMArena Text: instruction following14451431DeepSeek V4 Pro 0423
LMArena Text: creative writing14461426DeepSeek V4 Pro 0423
LMArena VisionNot measured1263Only Grok 4.6 measured
LMArena Text: English14591433DeepSeek V4 Pro 0423
LMArena Text: non-English14391420DeepSeek V4 Pro 0423
LMArena Text: Chinese14811476DeepSeek V4 Pro 0423
LMArena Text: German14581426DeepSeek V4 Pro 0423
LMArena Text: Japanese14461378DeepSeek V4 Pro 0423
LMArena Text: Korean14091391DeepSeek V4 Pro 0423
LMArena Text: French14731455DeepSeek V4 Pro 0423
LMArena Text: Spanish14571414DeepSeek V4 Pro 0423
LMArena Text: Russian14531421DeepSeek V4 Pro 0423
LMArena Text: Polish14611430DeepSeek V4 Pro 0423
LMArena Text: multi-turn14681425DeepSeek V4 Pro 0423
LMArena Text: longer queries14581456DeepSeek V4 Pro 0423
LMArena Text: writing and language14471429DeepSeek V4 Pro 0423
LMArena Text: entertainment and media14311421DeepSeek V4 Pro 0423
LMArena Vision: EnglishNot measured1270Only Grok 4.6 measured
LMArena Vision: ChineseNot measured1289Only Grok 4.6 measured
LMArena Vision: reading textNot measured1272Only Grok 4.6 measured
LMArena Vision: humorNot measured1270Only Grok 4.6 measured
LMArena Vision: creative writingNot measured1262Only Grok 4.6 measured
LMArena DocumentNot measured1452Only Grok 4.6 measured
Neither model has a result on the other 12 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for DeepSeek V4 Pro 0423 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0423Grok 4.6Leader
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 Pro 0423$0.0019Fits in one request
Grok 4.6$0.0050Fits in one request

DeepSeek V4 Pro 0423 costs less

Repository review

50K input + 3K output tokens

DeepSeek V4 Pro 0423$0.053Fits in one request
Grok 4.6$0.118Fits in one request

DeepSeek V4 Pro 0423 costs less

Agent loop

200K input + 10K output tokens

DeepSeek V4 Pro 0423$0.210Fits in one request
Grok 4.6$0.460Fits in one request

DeepSeek V4 Pro 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 Pro 0423 and Grok 4.6
SpecificationDeepSeek V4 Pro 0423SpaceXAI Grok 4.6
MakerDeepSeekxAI
WeightsOpen weightsNo public weights listed
ReleasedApril 24, 2026August 12, 2026
Context window1.05M500K
Input $/Mtok$0.9553$2.00
Output $/Mtok$1.9105$6.00
Coding index35.376.4
Independent measurements behind it12
Cost per solved task$0.57$0.82
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4 Pro 0423 better than Grok 4.6 for coding?

Pick Grok 4.6 for coding: it scores 76.4 on the Vibe Coding Index against 35.3 for DeepSeek V4 Pro 0423. Pick DeepSeek V4 Pro 0423 when output tokens cost 3.1x less, or when a solved task costs $0.57 against $0.82.

Which is cheaper, DeepSeek V4 Pro 0423 or Grok 4.6?

DeepSeek V4 Pro 0423 costs $0.9553 per million input tokens and $1.9105 per million output tokens; Grok 4.6 costs $2.00 and $6.00. Per solved SWE-bench Verified task, DeepSeek V4 Pro 0423 costs $0.57 and Grok 4.6 $0.82.

Which has the bigger context window, DeepSeek V4 Pro 0423 or Grok 4.6?

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

How many benchmarks is the DeepSeek V4 Pro 0423 vs Grok 4.6 comparison based on?

80 benchmarks have a result for both models as of October 21, 2026. DeepSeek V4 Pro 0423's coding index rests on 1 independent benchmark and Grok 4.6's on 2. Where only one model has a result, the page says so instead of naming a winner.

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