Compare / DeepSeek-V4-Pro (0423) vs DeepSeek-V4-Pro (0813)

DeepSeek-V4-Pro (0423) vs DeepSeek-V4-Pro (0813)

Which is cheaper, which is more capable, and which does better at each kind of work, from 17 results on 3 sources that measured both models.

Results as of 8 October 2026 (catalogue release 2026-10-08-4199ce0620fe).

DeepSeek-V4-Pro (0423)
DeepSeek · profile
DeepSeek-V4-Pro (0813)
DeepSeek · profile
Results compared
17
Shared sources
3

DeepSeek-V4-Pro (0423) or DeepSeek-V4-Pro (0813)? The short answer

DeepSeek-V4-Pro (0813) is the newer version at about the same price, and it scores higher (Intelligence Index 36.0 against 30.4): upgrade.

  • They cost about the same: $1.77 and $1.98 per million tokens (three input to one output).
  • DeepSeek-V4-Pro (0813) scores higher on the Artificial Analysis Intelligence Index: 36.0 against 30.4.
  • DeepSeek-V4-Pro (0813) is newer: released 13 Aug 2026, against 24 Apr 2026 for DeepSeek-V4-Pro (0423).
  • On third-party benchmarks, on the results both models have: DeepSeek-V4-Pro (0813) does better for agents and tool use, reasoning and knowledge and sticking to the facts.

At a glance

DeepSeek-V4-Pro (0423)DeepSeek-V4-Pro (0813)
Price per million tokens$1.42 in · $2.83 out$1.32 in · $3.96 out
Blended (3 in : 1 out)$1.77$1.98
Cheapest host, blended$1.19 (StreamLake, FP8)$0.99 (StreamLake)
Cached input, per million–$0.044 cached input
Intelligence Index30.436.0
Spring Prompt overall33–
Output speed, tokens a second–106
Context window1,048,576 tokens1,048,576 tokens
Released24 Apr 202613 Aug 2026 (newer)
WeightsOpenOpen
Developer based inChinaChina

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseDeepSeek-V4-Pro (0423)DeepSeek-V4-Pro (0813)
Decks from an analysisTurning a finished analysis into a deck you could present as it is 18 of 19 not measured
Marketing planningPlanning a year of ad spend without overspending 13 of 19 not measured
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 86 of 164 32 of 164
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 29 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 45 of 198 29 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 30 of 188 36 of 188
Sticking to the factsSummarising without inventing things, and factual answers 57 of 152 44 of 152
Speed under pressureGood decisions against a real clock (fast chess) 23 of 23 not measured

Every shared result

Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.

MeasureDeepSeek-V4-Pro (0423)DeepSeek-V4-Pro (0813)
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Overall · TextArena rating, higher is better 1,458 1,464high reasoning
Overall · Text factualityArena rating, higher is better 1,455 1,454high reasoning
Business, management and finance · TextArena rating, higher is better 1,460 1,467high reasoning
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 30.4max reasoning 36.0max reasoning
GPQA Diamond% of questions, higher is better 90.5%high reasoning 92.8%max reasoning
Humanity's Last Exam% of questions, higher is better 37.5%max reasoning 41.0%max reasoning
SimpleQA Verified (Epoch AI) reported by SimpleQA Verified (Epoch AI) · 1 result
Correct answers% of questions, higher is better 47.0%max reasoning 52.9%max reasoning
Show all 17 results (10 more)
MeasureDeepSeek-V4-Pro (0423)DeepSeek-V4-Pro (0813)
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 4 results
Creative writing · TextArena rating, higher is better 1,446 1,445high reasoning
Expert prompts · TextArena rating, higher is better 1,480 1,484high reasoning
Instruction following · TextArena rating, higher is better 1,452 1,461high reasoning
Writing, literature and language · TextArena rating, higher is better 1,451 1,454high reasoning
Artificial Analysis reported by Artificial Analysis · 6 results
Terminal-Bench 2.1% of tasks, higher is better 64.8%high reasoning 78.7%max reasoning
Terminal-Bench 4.0% of tasks, higher is better 14.6%max reasoning 14.1%max reasoning
τ-bench banking% of tasks, higher is better 30.1%max reasoning 39.6%max reasoning
Artificial Analysis Coding Indexindex score, higher is better 59.4max reasoning 68.8max reasoning
Long-context reasoning (AA-LCR)% of questions, higher is better 74.7%max reasoning 80.3%max reasoning
SciCode% of problems, higher is better 50.8%max reasoning 51.0%max reasoning

Quick answers

Is DeepSeek-V4-Pro (0423) better than DeepSeek-V4-Pro (0813)?

DeepSeek-V4-Pro (0813) is the newer version at about the same price, and it scores higher (Intelligence Index 36.0 against 30.4): upgrade.

Which is cheaper, DeepSeek-V4-Pro (0423) or DeepSeek-V4-Pro (0813)?

They cost about the same: $1.77 and $1.98 per million tokens (three input to one output).

Run DeepSeek-V4-Pro (0423) and DeepSeek-V4-Pro (0813) on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.