Enter opens the highlighted result. Esc closes.

DeepSeek V4 Pro 0423 vs Grok 4.5

Grok 4.5 leads DeepSeek V4 Pro 0423 on coding, 58.6 to 38.7 on the Vibe Coding Index, and DeepSeek V4 Pro 0423 costs 2.0x less per output token ($2.976 vs $6.00 per million). Updated October 22, 2026; 80 benchmarks have a result for both.

Replace DeepSeek V4 Pro 0423 Replace Grok 4.5
DeepSeek V4 Pro 0423DeepSeek
Coding
38.7
Overall
50.0
Output $/M
$2.976
23
Grok 4.5xAI
Coding
58.6
Overall
62.1
Output $/M
$6.00
56
vs boards won of 80 shared, 1 tied

DeepSeek V4 Pro 0423 or Grok 4.5: which to pick

Pick Grok 4.5 for coding: it scores 58.6 on the Vibe Coding Index against 38.7 for DeepSeek V4 Pro 0423.

Pick DeepSeek V4 Pro 0423 for output tokens 2.0x cheaper ($2.976 vs $6.00 per million) and a lower cost per solved task ($0.57 against $0.62).

Model ADeepSeek V4 Pro 0423DeepSeek38.7/1005 independent benchmarks$0.57 per solved taskModel BGrok 4.5xAI58.6/1006 independent benchmarks$0.62 per solved task
Shared results
80
DeepSeek V4 Pro 0423 only
4
Grok 4.5 only
43
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 Pro 0423 38.7 from 5 benchmarks, Grok 4.5 58.6 from 6 benchmarks.
Widest category
Agentic work, 14.0 points apart on average over 9 shared benchmarks.
Widest single gap
FrontierCode: DeepSeek V4 Pro 0423 17.6% against Grok 4.5 42.4%, 38.2 points apart on a 0 to 100 scale.
Output price
DeepSeek V4 Pro 0423 $2.976 against Grok 4.5 $6.00 per million output tokens, 2.0x apart.
Context window
DeepSeek V4 Pro 0423 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 0423BarsGrok 4.5Ties
Coding3131 tie
Intelligence02
Agentic work18
Reasoning16
Math06
Knowledge55
Web design08
General138
All shared boards23561 tie
CodingLike-for-likeSix of these boards feed the Vibe Coding Index313
Coding benchmarks for DeepSeek V4 Pro 0423 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 4.5Leader
LiveBench codingNot measured94.3%Only Grok 4.5 measured
LMArena WebDev14471553Grok 4.5
AA Coding Index59.472.4Grok 4.5
LiveCodeBench (Vals AI)87.5%87.3%DeepSeek V4 Pro 0423
SWE-bench Verified (Vals AI)77.4%86.6%Grok 4.5
Terminal-Bench 4 (Vals AI)11.1%8.6%DeepSeek V4 Pro 0423
Vibe Code Bench (Vals AI)49.9%69.0%Grok 4.5
Code migration (Vals AI)26.2%36.6%Grok 4.5
ProgramBench (Vals AI)0.0%0.0%Tie
IOI (Vals AI)Not measured40.6%Only Grok 4.5 measured
Terminal-Bench 2.1 (Vals AI)50.2%67.8%Grok 4.5
SkillsBench (Vals AI)51.3%66.0%Grok 4.5
CyberBench (Vals AI)Not measured71.0%Only Grok 4.5 measured
SciCodeNot measured55.0%Only Grok 4.5 measured
FrontierCode17.6%42.4%Grok 4.5
WeirdML48.9%46.4%DeepSeek V4 Pro 0423
ALE-Bench1006.11309.3Grok 4.5
LMArena Text: coding14701474Grok 4.5
LMArena Text: software and IT14691471Grok 4.5
LMArena WebDev: React14411556Grok 4.5
LMArena WebDev: HTML14351567Grok 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 16 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for DeepSeek V4 Pro 0423 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 4.5Leader
AA Intelligence Index30.438.8Grok 4.5
Epoch Capabilities Index149.1154.1Grok 4.5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index18
Agentic work benchmarks for DeepSeek V4 Pro 0423 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 4.5Leader
AA Agentic Index26.341.2Grok 4.5
Design Arena: agents building web apps10001218Grok 4.5
Design Arena: agents building full-stack apps9481249Grok 4.5
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 games10591229Grok 4.5
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)Not measured0.8%Only Grok 4.5 measured
Finance Agent (Vals AI)44.1%48.4%Grok 4.5
Tax Agent Bench (Vals AI)25.2%24.9%DeepSeek V4 Pro 0423
Legal Research Bench (Vals AI)23.1%38.0%Grok 4.5
Excel Modeling Benchmark (Vals AI)51.6%52.9%Grok 4.5
Time Horizon Index (Vals AI)Not measured6.3%Only Grok 4.5 measured
APEX-AgentsNot measured56.2%Only Grok 4.5 measured
PostTrainBenchNot measured23.4%Only Grok 4.5 measured
Vending-Bench 2$3,285$3,887Grok 4.5
LMArena SearchNot measured1216Only Grok 4.5 measured
Neither model has a result on the other 19 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index16
Reasoning benchmarks for DeepSeek V4 Pro 0423 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 4.5Leader
GPQA Diamond89.4%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)Not measured93.1%Only Grok 4.5 measured
Humanity's Last Exam (Artificial Analysis run)Not measured42.7%Only Grok 4.5 measured
GPQA Diamond (Epoch AI run)90.9%93.4%Grok 4.5
ARC-AGINot measured87.2%Only Grok 4.5 measured
ARC-AGI-2Not measured52.6%Only Grok 4.5 measured
SimpleBenchNot measured70.0%Only Grok 4.5 measured
Chess puzzles19.0%35.0%Grok 4.5
Mystery game puzzles17.0%Not measuredOnly DeepSeek V4 Pro 0423 measured
LMArena Text: hard prompts14611462Grok 4.5
LMArena Text: expert14631465Grok 4.5
LMArena Text: hard prompts in English14661464DeepSeek V4 Pro 0423
LMArena Vision: diagramsNot measured1304Only Grok 4.5 measured
LMArena Vision: homeworkNot measured1295Only Grok 4.5 measured
Kagi LLM Benchmark53.5%83.5%Grok 4.5
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index06
Math benchmarks for DeepSeek V4 Pro 0423 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 4.5Leader
OTIS Mock AIME96.7%97.8%Grok 4.5
FrontierMath, tiers 1 to 345.3%57.2%Grok 4.5
FrontierMath, tier 42.4%24.4%Grok 4.5
ProofBench16.0%31.0%Grok 4.5
LMArena Text: math14431460Grok 4.5
LMArena Text: mathematical work14551482Grok 4.5
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 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 4.5Leader
MMLU Pro87.3%89.2%Grok 4.5
LegalBench (Vals AI)80.3%86.0%Grok 4.5
CaseLaw (Vals AI)59.4%Not measuredOnly DeepSeek V4 Pro 0423 measured
CorpFin (Vals AI)61.4%67.4%Grok 4.5
TaxEval (Vals AI)72.1%71.7%DeepSeek V4 Pro 0423
MortgageTax (Vals AI)Not measured61.8%Only Grok 4.5 measured
MedCode (Vals AI)40.5%43.3%Grok 4.5
SimpleQA Verified47.0%48.3%Grok 4.5
LMArena Text: science14701464DeepSeek V4 Pro 0423
LMArena Text: medicine and healthcare14661440DeepSeek V4 Pro 0423
LMArena Text: legal and government14641463DeepSeek V4 Pro 0423
LMArena Text: business and finance14431441DeepSeek V4 Pro 0423
FACTS Benchmark SuiteNot measured50.2%Only Grok 4.5 measured
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 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 4.5Leader
Design Arena: websites12341281Grok 4.5
Design Arena: UI components12191280Grok 4.5
Design Arena: game dev12281264Grok 4.5
Design Arena: data viz12031266Grok 4.5
Design Arena: 3D12531257Grok 4.5
Design Arena: all code categories12401275Grok 4.5
Design Arena: SVG11391215Grok 4.5
Design Arena: ASCII art11491256Grok 4.5
LiveBench designNot measured78.1%Only Grok 4.5 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index138
General benchmarks for DeepSeek V4 Pro 0423 and Grok 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 4.5Leader
LiveBench data analysisNot measured73.0%Only Grok 4.5 measured
Public Benefits Bench (Vals AI)62.9%Not measuredOnly DeepSeek V4 Pro 0423 measured
SAGE (Vals AI)Not measured35.0%Only Grok 4.5 measured
MedScribe (Vals AI)75.1%86.9%Grok 4.5
Vals Multimodal IndexNot measured63.4%Only Grok 4.5 measured
Long context reasoning (AA-LCR)Not measured79.3%Only Grok 4.5 measured
DTBench90.7%96.5%Grok 4.5
LMCA41.2%45.2%Grok 4.5
Surface Evolver Bench40.0%74.4%Grok 4.5
Furniture assemblyNot measured22.5%Only Grok 4.5 measured
CL-bench Life13.5%Not measuredOnly DeepSeek V4 Pro 0423 measured
LMArena Text14511448DeepSeek V4 Pro 0423
LMArena Text: instruction following14451445DeepSeek V4 Pro 0423
LMArena Text: creative writing14461442DeepSeek V4 Pro 0423
LMArena VisionNot measured1287Only Grok 4.5 measured
LMArena Text: English14591453DeepSeek V4 Pro 0423
LMArena Text: non-English14391440Grok 4.5
LMArena Text: Chinese14811495Grok 4.5
LMArena Text: German14581448DeepSeek V4 Pro 0423
LMArena Text: Japanese14461430DeepSeek V4 Pro 0423
LMArena Text: Korean14091406DeepSeek V4 Pro 0423
LMArena Text: French14731457DeepSeek V4 Pro 0423
LMArena Text: Spanish14571451DeepSeek V4 Pro 0423
LMArena Text: Russian14531449DeepSeek V4 Pro 0423
LMArena Text: Polish14611432DeepSeek V4 Pro 0423
LMArena Text: multi-turn14681456DeepSeek V4 Pro 0423
LMArena Text: longer queries14581462Grok 4.5
LMArena Text: writing and language14471445DeepSeek V4 Pro 0423
LMArena Text: entertainment and media14311434Grok 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 11 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 4.5
BenchmarkDeepSeek V4 Pro 0423Grok 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 0423$0.0028Fits in one request
Grok 4.5$0.0050Fits in one request

DeepSeek V4 Pro 0423 costs less

Repository review

50K input + 3K output tokens

DeepSeek V4 Pro 0423$0.077Fits in one request
Grok 4.5$0.118Fits in one request

DeepSeek V4 Pro 0423 costs less

Agent loop

200K input + 10K output tokens

DeepSeek V4 Pro 0423$0.301Fits in one request
Grok 4.5$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 4.5
SpecificationDeepSeek V4 Pro 0423SpaceXAI Grok 4.5
MakerDeepSeekxAI
WeightsOpen weightsNo public weights listed
ReleasedApril 24, 2026July 8, 2026
Context window1.05M500K
Input $/Mtok$1.358$2.00
Output $/Mtok$2.976$6.00
Coding index38.758.6
Independent measurements behind it56
Cost per solved task$0.57$0.62
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4 Pro 0423 better than Grok 4.5 for coding?

Pick Grok 4.5 for coding: it scores 58.6 on the Vibe Coding Index against 38.7 for DeepSeek V4 Pro 0423. Pick DeepSeek V4 Pro 0423 for output tokens 2.0x cheaper ($2.976 vs $6.00 per million) and a lower cost per solved task ($0.57 against $0.62).

Which is cheaper, DeepSeek V4 Pro 0423 or Grok 4.5?

DeepSeek V4 Pro 0423 costs $1.358 per million input tokens and $2.976 per million output tokens; Grok 4.5 costs $2.00 and $6.00. Per solved SWE-bench Verified task, DeepSeek V4 Pro 0423 costs $0.57 and Grok 4.5 $0.62.

Which has the bigger context window, DeepSeek V4 Pro 0423 or Grok 4.5?

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

How many benchmarks is the DeepSeek V4 Pro 0423 vs Grok 4.5 comparison based on?

80 benchmarks have a result for both models as of October 22, 2026. DeepSeek V4 Pro 0423'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.

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-pro-vs-grok-4-5" title="DeepSeek V4 Pro 0423 vs Grok 4.5, 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-pro-vs-grok-4-5">LLMBenchmark.ai, DeepSeek V4 Pro 0423 vs Grok 4.5</a></p>