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DeepSeek V4 Pro 0813 vs Grok 4.5

Grok 4.5 leads DeepSeek V4 Pro 0813 on coding, 58.6 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; 73 benchmarks have a result for both.

Replace DeepSeek V4 Pro 0813 Replace Grok 4.5
DeepSeek V4 Pro 0813DeepSeek
Coding
56.1
Overall
60.8
Output $/M
$1.98
33
Grok 4.5xAI
Coding
58.6
Overall
62.1
Output $/M
$6.00
39
vs boards won of 73 shared, 1 tied

DeepSeek V4 Pro 0813 or Grok 4.5: which to pick

Pick Grok 4.5 for coding: it scores 58.6 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 $0.62).

Model ADeepSeek V4 Pro 0813DeepSeek56.1/1005 independent benchmarks$0.10 per solved taskModel BGrok 4.5xAI58.6/1006 independent benchmarks$0.62 per solved task
Shared results
73
DeepSeek V4 Pro 0813 only
5
Grok 4.5 only
50
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 4.5 58.6 from 6 benchmarks.
Widest category
Coding, 6.9 points apart on average over 20 shared benchmarks.
Widest single gap
FrontierCode: DeepSeek V4 Pro 0813 28.5% against Grok 4.5 42.4%, 21.4 points apart on a 0 to 100 scale.
Output price
DeepSeek V4 Pro 0813 $1.98 against Grok 4.5 $6.00 per million output tokens, 3.0x apart.
Context window
DeepSeek V4 Pro 0813 takes 1.05M tokens, Grok 4.5 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 4.5Ties
Coding1181 tie
Intelligence11
Agentic work52
Reasoning37
Math42
Knowledge46
General513
All shared boards33391 tie
CodingLike-for-likeSix of these boards feed the Vibe Coding Index118
Coding benchmarks for DeepSeek V4 Pro 0813 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
LiveBench codingNot measured94.3%Only Grok 4.5 measured
LMArena WebDev15821553DeepSeek V4 Pro 0813
AA Coding Index68.872.4Grok 4.5
LiveCodeBench (Vals AI)87.5%87.3%DeepSeek V4 Pro 0813
SWE-bench Verified (Vals AI)96.4%86.6%DeepSeek V4 Pro 0813
Terminal-Bench 4 (Vals AI)14.1%8.6%DeepSeek V4 Pro 0813
Vibe Code Bench (Vals AI)82.3%69.0%DeepSeek V4 Pro 0813
Code migration (Vals AI)41.5%36.6%DeepSeek V4 Pro 0813
ProgramBench (Vals AI)0.0%0.0%Tie
IOI (Vals AI)51.6%40.6%DeepSeek V4 Pro 0813
Terminal-Bench 2.1 (Vals AI)54.7%67.8%Grok 4.5
Vibe Code Bench 1-100 (Vals AI)17.5%Not measuredOnly DeepSeek V4 Pro 0813 measured
SkillsBench (Vals AI)53.8%66.0%Grok 4.5
CyberBench (Vals AI)72.9%71.0%DeepSeek V4 Pro 0813
SciCode51.0%55.0%Grok 4.5
FrontierCode28.5%42.4%Grok 4.5
WeirdML66.2%46.4%DeepSeek V4 Pro 0813
ALE-Bench1403.21309.3DeepSeek V4 Pro 0813
LMArena Text: coding14691474Grok 4.5
LMArena Text: software and IT14621471Grok 4.5
LMArena WebDev: React15881556DeepSeek V4 Pro 0813
LMArena WebDev: HTML15661567Grok 4.5
LMArena WebDev: from an imageNot measured1562Only Grok 4.5 measured
SciCodeNot measured6.5%Only Grok 4.5 measured
Neither model has a result on the other 15 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11
Intelligence benchmarks for DeepSeek V4 Pro 0813 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
AA Intelligence Index36.038.8Grok 4.5
Epoch Capabilities Index155.6154.1DeepSeek V4 Pro 0813
Agentic workLike-for-likePublic boards, shown as published, kept out of the index52
Agentic work benchmarks for DeepSeek V4 Pro 0813 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
AA Agentic Index41.341.2DeepSeek V4 Pro 0813
Design Arena: agents building web appsNot measured1218Only Grok 4.5 measured
Design Arena: agents building full-stack appsNot measured1249Only Grok 4.5 measured
Design Arena: agents building mobile appsNot measured1220Only Grok 4.5 measured
Design Arena: agents building Android appsNot measured1236Only Grok 4.5 measured
Design Arena: agents building Godot gamesNot measured1229Only Grok 4.5 measured
Design Arena: agents building gamesNot measured1236Only Grok 4.5 measured
Design Arena: HTML slidesNot measured1205Only Grok 4.5 measured
Design Arena: PowerPoint slidesNot measured1230Only Grok 4.5 measured
LiveBench researchNot measured85.9%Only Grok 4.5 measured
LiveBench browserNot measured44.0%Only Grok 4.5 measured
LiveBench long agenticNot measured27.9%Only Grok 4.5 measured
SREBench (Vals AI)1.9%0.8%DeepSeek V4 Pro 0813
Finance Agent (Vals AI)50.4%48.4%DeepSeek V4 Pro 0813
Tax Agent Bench (Vals AI)26.8%24.9%DeepSeek V4 Pro 0813
Legal Research Bench (Vals AI)40.9%38.0%DeepSeek V4 Pro 0813
Harvey's Legal Agent Benchmark (Vals AI)10.8%Not measuredOnly DeepSeek V4 Pro 0813 measured
Excel Modeling Benchmark (Vals AI)52.8%52.9%Grok 4.5
Terminal-Bench-Science (Vals AI)4.3%Not measuredOnly DeepSeek V4 Pro 0813 measured
Time Horizon Index (Vals AI)Not measured6.3%Only Grok 4.5 measured
APEX-Agents47.3%56.2%Grok 4.5
PostTrainBenchNot measured23.4%Only Grok 4.5 measured
Vending-Bench 2Not measured$3,887Only Grok 4.5 measured
LMArena SearchNot measured1216Only Grok 4.5 measured
Neither model has a result on the other 17 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index37
Reasoning benchmarks for DeepSeek V4 Pro 0813 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
GPQA Diamond92.4%92.9%Grok 4.5
LiveBench reasoningNot measured87.2%Only Grok 4.5 measured
MMMU Pro (Vals AI)Not measured61.8%Only Grok 4.5 measured
GPQA Diamond (Artificial Analysis run)92.8%93.1%Grok 4.5
Humanity's Last Exam (Artificial Analysis run)41.0%42.7%Grok 4.5
GPQA Diamond (Epoch AI run)91.7%93.4%Grok 4.5
ARC-AGI90.5%87.2%DeepSeek V4 Pro 0813
ARC-AGI-261.3%52.6%DeepSeek V4 Pro 0813
SimpleBenchNot measured70.0%Only Grok 4.5 measured
Chess puzzles46.0%35.0%DeepSeek V4 Pro 0813
Mystery game puzzles43.0%Not measuredOnly DeepSeek V4 Pro 0813 measured
LMArena Text: hard prompts14581462Grok 4.5
LMArena Text: expert14591465Grok 4.5
LMArena Text: hard prompts in English14631464Grok 4.5
LMArena Vision: diagramsNot measured1304Only Grok 4.5 measured
LMArena Vision: homeworkNot measured1295Only Grok 4.5 measured
Kagi LLM BenchmarkNot measured83.5%Only Grok 4.5 measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index42
Math benchmarks for DeepSeek V4 Pro 0813 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
OTIS Mock AIME98.6%97.8%DeepSeek V4 Pro 0813
FrontierMath, tiers 1 to 364.6%57.2%DeepSeek V4 Pro 0813
FrontierMath, tier 426.8%24.4%DeepSeek V4 Pro 0813
ProofBench50.0%31.0%DeepSeek V4 Pro 0813
LMArena Text: math14411460Grok 4.5
LMArena Text: mathematical work14431482Grok 4.5
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index46
Knowledge benchmarks for DeepSeek V4 Pro 0813 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
MMLU Pro87.0%89.2%Grok 4.5
LegalBench (Vals AI)82.4%86.0%Grok 4.5
CorpFin (Vals AI)65.4%67.4%Grok 4.5
TaxEval (Vals AI)73.1%71.7%DeepSeek V4 Pro 0813
MortgageTax (Vals AI)Not measured61.8%Only Grok 4.5 measured
MedCode (Vals AI)42.5%43.3%Grok 4.5
SimpleQA Verified52.9%48.3%DeepSeek V4 Pro 0813
LMArena Text: science14571464Grok 4.5
LMArena Text: medicine and healthcare14461440DeepSeek V4 Pro 0813
LMArena Text: legal and government14591463Grok 4.5
LMArena Text: business and finance14421441DeepSeek V4 Pro 0813
FACTS Benchmark SuiteNot measured50.2%Only Grok 4.5 measured
Neither model has a result on the other 6 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 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
Design Arena: websitesNot measured1281Only Grok 4.5 measured
Design Arena: UI componentsNot measured1280Only Grok 4.5 measured
Design Arena: game devNot measured1264Only Grok 4.5 measured
Design Arena: data vizNot measured1266Only Grok 4.5 measured
Design Arena: 3DNot measured1257Only Grok 4.5 measured
Design Arena: all code categoriesNot measured1275Only Grok 4.5 measured
Design Arena: SVGNot measured1215Only Grok 4.5 measured
Design Arena: ASCII artNot measured1256Only Grok 4.5 measured
LiveBench designNot measured78.1%Only Grok 4.5 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index513
General benchmarks for DeepSeek V4 Pro 0813 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
Vals Index53.0%Not measuredOnly DeepSeek V4 Pro 0813 measured
LiveBench data analysisNot measured73.0%Only Grok 4.5 measured
SAGE (Vals AI)Not measured35.0%Only Grok 4.5 measured
MedScribe (Vals AI)80.2%86.9%Grok 4.5
Vals Multimodal IndexNot measured63.4%Only Grok 4.5 measured
Long context reasoning (AA-LCR)80.3%79.3%DeepSeek V4 Pro 0813
DTBench93.9%96.5%Grok 4.5
LMCA45.5%45.2%DeepSeek V4 Pro 0813
Surface Evolver BenchNot measured74.4%Only Grok 4.5 measured
Furniture assemblyNot measured22.5%Only Grok 4.5 measured
LMArena Text14461448Grok 4.5
LMArena Text: instruction following14481445DeepSeek V4 Pro 0813
LMArena Text: creative writing14391442Grok 4.5
LMArena VisionNot measured1287Only Grok 4.5 measured
LMArena Text: English14571453DeepSeek V4 Pro 0813
LMArena Text: non-English14311440Grok 4.5
LMArena Text: Chinese14811495Grok 4.5
LMArena Text: GermanNot measured1448Only Grok 4.5 measured
LMArena Text: JapaneseNot measured1430Only Grok 4.5 measured
LMArena Text: Korean14491406DeepSeek V4 Pro 0813
LMArena Text: French14461457Grok 4.5
LMArena Text: Spanish14351451Grok 4.5
LMArena Text: Russian14481449Grok 4.5
LMArena Text: PolishNot measured1432Only Grok 4.5 measured
LMArena Text: multi-turn14541456Grok 4.5
LMArena Text: longer queries14581462Grok 4.5
LMArena Text: writing and language14431445Grok 4.5
LMArena Text: entertainment and media14241434Grok 4.5
LMArena Vision: EnglishNot measured1285Only Grok 4.5 measured
LMArena Vision: ChineseNot measured1345Only Grok 4.5 measured
LMArena Vision: reading textNot measured1293Only Grok 4.5 measured
LMArena Vision: humorNot measured1276Only Grok 4.5 measured
LMArena Vision: creative writingNot measured1293Only Grok 4.5 measured
LMArena DocumentNot measured1452Only Grok 4.5 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 0813 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0813Grok 4.5Leader
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 4.5$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 4.5$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 4.5$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 4.5
SpecificationDeepSeek V4 Pro 0813SpaceXAI Grok 4.5
MakerDeepSeekxAI
WeightsOpen weightsNo public weights listed
ReleasedAugust 12, 2026July 8, 2026
Context window1.05M500K
Input $/Mtok$0.66$2.00
Output $/Mtok$1.98$6.00
Coding index56.158.6
Independent measurements behind it56
Cost per solved task$0.10$0.62
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4 Pro 0813 better than Grok 4.5 for coding?

Pick Grok 4.5 for coding: it scores 58.6 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 $0.62).

Which is cheaper, DeepSeek V4 Pro 0813 or Grok 4.5?

DeepSeek V4 Pro 0813 costs $0.66 per million input tokens and $1.98 per million output tokens; Grok 4.5 costs $2.00 and $6.00. Per solved SWE-bench Verified task, DeepSeek V4 Pro 0813 costs $0.10 and Grok 4.5 $0.62.

Which has the bigger context window, DeepSeek V4 Pro 0813 or Grok 4.5?

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

How many benchmarks is the DeepSeek V4 Pro 0813 vs Grok 4.5 comparison based on?

73 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 4.5's on 6. Where only one model has a result, the page says so instead of naming a winner.

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