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DeepSeek V4 Pro 0813 vs Grok 4.6

Grok 4.6 leads DeepSeek V4 Pro 0813 on coding, 65.7 to 56.1 on the Vibe Coding Index, and DeepSeek V4 Pro 0813 costs 3.0x less per output token ($1.98 vs $6.00 per million). Updated October 22, 2026; 75 benchmarks have a result for both.

Replace DeepSeek V4 Pro 0813 Replace Grok 4.6
DeepSeek V4 Pro 0813DeepSeek
Coding
56.1
Overall
60.8
Output $/M
$1.98
32
Grok 4.6xAI
Coding
65.7
Overall
67.4
Output $/M
$6.00
43
vs boards won of 75 shared

DeepSeek V4 Pro 0813 or Grok 4.6: which to pick

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 56.1 for DeepSeek V4 Pro 0813.

Pick DeepSeek V4 Pro 0813 for output tokens 3.0x cheaper ($1.98 vs $6.00 per million) and a lower cost per solved task ($0.10 against $0.82).

Model ADeepSeek V4 Pro 0813DeepSeek56.1/1005 independent benchmarks$0.10 per solved taskModel BGrok 4.6xAI65.7/1006 independent benchmarks$0.82 per solved task
Shared results
75
DeepSeek V4 Pro 0813 only
3
Grok 4.6 only
48
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 Pro 0813 56.1 from 5 benchmarks, Grok 4.6 65.7 from 6 benchmarks.
Widest category
Agentic work, 9.1 points apart on average over 7 shared benchmarks.
Widest single gap
FrontierCode: DeepSeek V4 Pro 0813 28.5% against Grok 4.6 48.0%, 29.9 points apart on a 0 to 100 scale.
Output price
DeepSeek V4 Pro 0813 $1.98 against Grok 4.6 $6.00 per million output tokens, 3.0x apart.
Context window
DeepSeek V4 Pro 0813 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 0813BarsGrok 4.6Ties
Coding714
Intelligence02
Agentic work07
Reasoning56
Math15
Knowledge64
General135
All shared boards3243
CodingLike-for-likeSix of these boards feed the Vibe Coding Index714
Coding benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 4.6Leader
LiveBench codingNot measured89.1%Only Grok 4.6 measured
LMArena WebDev15821617Grok 4.6
AA Coding Index68.876.8Grok 4.6
LiveCodeBench (Vals AI)87.5%88.2%Grok 4.6
SWE-bench Verified (Vals AI)96.4%95.6%DeepSeek V4 Pro 0813
Terminal-Bench 4 (Vals AI)14.1%17.2%Grok 4.6
Vibe Code Bench (Vals AI)82.3%76.2%DeepSeek V4 Pro 0813
Code migration (Vals AI)41.5%44.6%Grok 4.6
ProgramBench (Vals AI)0.0%1.0%Grok 4.6
IOI (Vals AI)51.6%47.6%DeepSeek V4 Pro 0813
Terminal-Bench 2.1 (Vals AI)54.7%78.3%Grok 4.6
Vibe Code Bench 1-100 (Vals AI)17.5%14.8%DeepSeek V4 Pro 0813
SkillsBench (Vals AI)53.8%55.8%Grok 4.6
CyberBench (Vals AI)72.9%67.7%DeepSeek V4 Pro 0813
SciCode51.0%56.5%Grok 4.6
FrontierCode28.5%48.0%Grok 4.6
FrontierSWENot measured25.3%Only Grok 4.6 measured
WeirdML66.2%67.3%Grok 4.6
ALE-Bench1403.21508.1Grok 4.6
LMArena Text: coding14691466DeepSeek V4 Pro 0813
LMArena Text: software and IT14621457DeepSeek V4 Pro 0813
LMArena WebDev: React15881631Grok 4.6
LMArena WebDev: HTML15661597Grok 4.6
LMArena WebDev: from an imageNot measured1603Only Grok 4.6 measured
Neither model has a result on the other 15 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 4.6Leader
AA Intelligence Index36.044.3Grok 4.6
Epoch Capabilities Index155.6156.6Grok 4.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index07
Agentic work benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 4.6Leader
AA Agentic Index41.353.0Grok 4.6
Design Arena: agents building web appsNot measured1248Only Grok 4.6 measured
Design Arena: agents building full-stack appsNot measured1264Only Grok 4.6 measured
Design Arena: agents building mobile appsNot measured1234Only Grok 4.6 measured
Design Arena: agents building Android appsNot measured1291Only Grok 4.6 measured
Design Arena: agents building Godot gamesNot measured1276Only Grok 4.6 measured
Design Arena: agents building gamesNot measured1209Only Grok 4.6 measured
Design Arena: HTML slidesNot measured1250Only Grok 4.6 measured
Design Arena: PowerPoint slidesNot measured1237Only 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
SREBench (Vals AI)1.9%Not measuredOnly DeepSeek V4 Pro 0813 measured
Finance Agent (Vals AI)50.4%53.7%Grok 4.6
Tax Agent Bench (Vals AI)26.8%33.1%Grok 4.6
Legal Research Bench (Vals AI)40.9%48.1%Grok 4.6
Harvey's Legal Agent Benchmark (Vals AI)10.8%Not measuredOnly DeepSeek V4 Pro 0813 measured
Excel Modeling Benchmark (Vals AI)52.8%62.7%Grok 4.6
BioMysteryBench (Vals AI)Not measured72.2%Only Grok 4.6 measured
Terminal-Bench-Science (Vals AI)4.3%11.4%Grok 4.6
Vals Science IndexNot measured38.1%Only Grok 4.6 measured
Time Horizon Index (Vals AI)Not measured5.8%Only Grok 4.6 measured
APEX-Agents47.3%65.3%Grok 4.6
Vending-Bench 2Not measured$9,047Only Grok 4.6 measured
Neither model has a result on the other 17 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index56
Reasoning benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 4.6Leader
GPQA Diamond92.4%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)92.8%94.9%Grok 4.6
Humanity's Last Exam (Artificial Analysis run)41.0%44.1%Grok 4.6
GPQA Diamond (Epoch AI run)91.7%94.0%Grok 4.6
ARC-AGI90.5%87.5%DeepSeek V4 Pro 0813
ARC-AGI-261.3%67.1%Grok 4.6
SimpleBenchNot measured75.9%Only Grok 4.6 measured
Chess puzzles46.0%33.0%DeepSeek V4 Pro 0813
Mystery game puzzles43.0%34.0%DeepSeek V4 Pro 0813
EBR-benchNot measured30.5%Only Grok 4.6 measured
LMArena Text: hard prompts14581448DeepSeek V4 Pro 0813
LMArena Text: expert14591469Grok 4.6
LMArena Text: hard prompts in English14631445DeepSeek V4 Pro 0813
LMArena Vision: diagramsNot measured1285Only Grok 4.6 measured
LMArena Vision: homeworkNot measured1283Only Grok 4.6 measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index15
Math benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 4.6Leader
OTIS Mock AIME98.6%99.2%Grok 4.6
FrontierMath, tiers 1 to 364.6%66.0%Grok 4.6
FrontierMath, tier 426.8%31.7%Grok 4.6
ProofBench50.0%51.0%Grok 4.6
LMArena Text: math14411417DeepSeek V4 Pro 0813
LMArena Text: mathematical work14431464Grok 4.6
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index64
Knowledge benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 4.6Leader
MMLU Pro87.0%89.4%Grok 4.6
LegalBench (Vals AI)82.4%86.3%Grok 4.6
CorpFin (Vals AI)65.4%66.2%Grok 4.6
TaxEval (Vals AI)73.1%71.1%DeepSeek V4 Pro 0813
MortgageTax (Vals AI)Not measured64.2%Only Grok 4.6 measured
MedCode (Vals AI)42.5%44.7%Grok 4.6
SimpleQA Verified52.9%49.3%DeepSeek V4 Pro 0813
LMArena Text: science14571437DeepSeek V4 Pro 0813
LMArena Text: medicine and healthcare14461420DeepSeek V4 Pro 0813
LMArena Text: legal and government14591429DeepSeek V4 Pro 0813
LMArena Text: business and finance14421416DeepSeek V4 Pro 0813
Neither model has a result on the other 7 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index9 boards, none shared
Web design benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 4.6Leader
Design Arena: websitesNot measured1289Only Grok 4.6 measured
Design Arena: UI componentsNot measured1294Only Grok 4.6 measured
Design Arena: game devNot measured1296Only Grok 4.6 measured
Design Arena: data vizNot measured1282Only Grok 4.6 measured
Design Arena: 3DNot measured1277Only Grok 4.6 measured
Design Arena: all code categoriesNot measured1292Only Grok 4.6 measured
Design Arena: SVGNot measured1240Only Grok 4.6 measured
Design Arena: ASCII artNot measured1279Only Grok 4.6 measured
LiveBench designNot measured79.8%Only Grok 4.6 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index135
General benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 4.6Leader
Vals Index53.0%Not measuredOnly DeepSeek V4 Pro 0813 measured
LiveBench data analysisNot measured75.3%Only Grok 4.6 measured
Public Benefits Bench (Vals AI)Not measured66.8%Only Grok 4.6 measured
SAGE (Vals AI)Not measured28.9%Only Grok 4.6 measured
MedScribe (Vals AI)80.2%86.5%Grok 4.6
Long context reasoning (AA-LCR)80.3%81.0%Grok 4.6
DTBench93.9%97.3%Grok 4.6
LMCA45.5%48.5%Grok 4.6
Furniture assemblyNot measured40.0%Only Grok 4.6 measured
LMArena Text14461429DeepSeek V4 Pro 0813
LMArena Text: instruction following14481431DeepSeek V4 Pro 0813
LMArena Text: creative writing14391426DeepSeek V4 Pro 0813
LMArena VisionNot measured1263Only Grok 4.6 measured
LMArena Text: English14571433DeepSeek V4 Pro 0813
LMArena Text: non-English14311420DeepSeek V4 Pro 0813
LMArena Text: Chinese14811476DeepSeek V4 Pro 0813
LMArena Text: GermanNot measured1426Only Grok 4.6 measured
LMArena Text: JapaneseNot measured1378Only Grok 4.6 measured
LMArena Text: Korean14491391DeepSeek V4 Pro 0813
LMArena Text: French14461455Grok 4.6
LMArena Text: Spanish14351414DeepSeek V4 Pro 0813
LMArena Text: Russian14481421DeepSeek V4 Pro 0813
LMArena Text: PolishNot measured1430Only Grok 4.6 measured
LMArena Text: multi-turn14541425DeepSeek V4 Pro 0813
LMArena Text: longer queries14581456DeepSeek V4 Pro 0813
LMArena Text: writing and language14431429DeepSeek V4 Pro 0813
LMArena Text: entertainment and media14241421DeepSeek V4 Pro 0813
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 13 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for DeepSeek V4 Pro 0813 and Grok 4.6
BenchmarkDeepSeek V4 Pro 0813Grok 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 0813$0.0016Fits in one request
Grok 4.6$0.0050Fits in one request

DeepSeek V4 Pro 0813 costs less

Repository review

50K input + 3K output tokens

DeepSeek V4 Pro 0813$0.039Fits in one request
Grok 4.6$0.118Fits in one request

DeepSeek V4 Pro 0813 costs less

Agent loop

200K input + 10K output tokens

DeepSeek V4 Pro 0813$0.152Fits in one request
Grok 4.6$0.460Fits in one request

DeepSeek V4 Pro 0813 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 0813 and Grok 4.6
SpecificationDeepSeek V4 Pro 0813SpaceXAI Grok 4.6
MakerDeepSeekxAI
WeightsOpen weightsNo public weights listed
ReleasedAugust 12, 2026August 12, 2026
Context window1.05M500K
Input $/Mtok$0.66$2.00
Output $/Mtok$1.98$6.00
Coding index56.165.7
Independent measurements behind it56
Cost per solved task$0.10$0.82
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4 Pro 0813 better than Grok 4.6 for coding?

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 56.1 for DeepSeek V4 Pro 0813. Pick DeepSeek V4 Pro 0813 for output tokens 3.0x cheaper ($1.98 vs $6.00 per million) and a lower cost per solved task ($0.10 against $0.82).

Which is cheaper, DeepSeek V4 Pro 0813 or Grok 4.6?

DeepSeek V4 Pro 0813 costs $0.66 per million input tokens and $1.98 per million output tokens; Grok 4.6 costs $2.00 and $6.00. Per solved SWE-bench Verified task, DeepSeek V4 Pro 0813 costs $0.10 and Grok 4.6 $0.82.

Which has the bigger context window, DeepSeek V4 Pro 0813 or Grok 4.6?

DeepSeek V4 Pro 0813, with 1.05M tokens against 500K.

How many benchmarks is the DeepSeek V4 Pro 0813 vs Grok 4.6 comparison based on?

75 benchmarks have a result for both models as of October 22, 2026. DeepSeek V4 Pro 0813's coding index rests on 5 independent benchmarks and Grok 4.6's on 6. Where only one model has a result, the page says so instead of naming a winner.

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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/deepseek-v4-pro-0813-vs-grok-4-6">LLMBenchmark.ai, DeepSeek V4 Pro 0813 vs Grok 4.6</a></p>