Skip to main content

Model comparison

DeepSeek V3 vs DeepSeek V4 Pro Base

Data verified

Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.

DeepSeek
44.97/100
No comparison
1 category wins0 category wins

Public leaderboard positions: DeepSeek V3 #147 (Supported); DeepSeek V4 Pro Base unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek V3 and DeepSeek V4 Pro Base share 1 comparable benchmark result. 1 of 8 categories are comparable. 21 results are unique to DeepSeek V3; 23 to DeepSeek V4 Pro Base.

Updated July 23, 2026
Shared results
1
DeepSeek V3 only
21
DeepSeek V4 Pro Base only
23
Comparable categories
1 / 8

Treat this as a split decision. DeepSeek V3 makes more sense if knowledge is the priority; DeepSeek V4 Pro Base is the better fit if you need the larger 1M context window.

Confidence note. This is a partial-evidence comparison with 1 shared benchmark result across 1 evidence category; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

DeepSeek V3 and DeepSeek V4 Pro Base finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.

DeepSeek V4 Pro Base gives you the larger context window at 1M, compared with 128K for DeepSeek V3.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for DeepSeek V3 and DeepSeek V4 Pro Base
CategoryDeepSeek V3ΔDeepSeek V4 Pro Base
KnowledgeDeepSeek V372.7Margin 6.3DeepSeek V4 Pro Base66.4
CodingDeepSeek V338.9MarginNo overlapDeepSeek V4 Pro BaseNot measured
ReasoningDeepSeek V3Not measuredMarginNo overlapDeepSeek V4 Pro Base51.5
MathDeepSeek V31.7MarginNo overlapDeepSeek V4 Pro BaseNot measured
Inst. FollowingDeepSeek V386.1MarginNo overlapDeepSeek V4 Pro BaseNot measured

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · DeepSeek V3B · DeepSeek V4 Pro Base
  1. MMLU-Pro

    Knowledge
    Source ↗
    A 75.9%B 73.5%
    Winner: DeepSeek V3Δ 2.4
    MMLU-Pro: DeepSeek V3 scored 75.9%; DeepSeek V4 Pro Base scored 73.5%. DeepSeek V3 wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricDeepSeek V3DeepSeek V4 Pro BaseComparison
Input / output priceUSD per 1M tokensDeepSeek V3$0.27 input / $1.1 outputDeepSeek V4 Pro BaseNot availableA complete price comparison is not available.
Generation speedtokens per secondDeepSeek V3Not availableDeepSeek V4 Pro BaseNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V3Not availableDeepSeek V4 Pro BaseNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V3128KDeepSeek V4 Pro Base1MDeepSeek V4 Pro Base lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkDeepSeek V3DeepSeek V4 Pro BaseResult
AA Agentic IndexSource 1.6%Not comparable
τ²-bench resultsSource 22.8%Not comparable
GDPval-AASource 0.0%Not comparable
GDPval-AASource 217Not comparable
Coding
BenchmarkDeepSeek V3DeepSeek V4 Pro BaseResult
LiveCodeBenchSource 37.6%Not comparable
SWE-bench VerifiedSource 42%Not comparable
AA Coding IndexSource 23.0%Not comparable
AA-SciCodeSource 35.4%Not comparable
BigCodeBenchSource 59.2%Not comparable
HumanEvalSource 76.8%Not comparable
Reasoning
BenchmarkDeepSeek V3DeepSeek V4 Pro BaseResult
AA-LCRSource 29.0%Not comparable
CritPtSource 0.0%Not comparable
BBHSource 87.5%Not comparable
DROPSource 88.7%Not comparable
HellaSwagSource 88.0%Not comparable
WinoGrandeSource 81.5%Not comparable
CLUEWSCSource 85.2%Not comparable
LongBench v2Source 51.5%Not comparable
KnowledgeDeepSeek V3 wins
BenchmarkDeepSeek V3DeepSeek V4 Pro BaseResult
GPQASource 59.1%Not comparable
MMLU-ProSource 75.9%73.5%DeepSeek V3 leads
Artificial Analysis Intelligence IndexSource 14.2%Not comparable
AA-GPQA DiamondSource 55.7%Not comparable
AA-HLESource 3.6%Not comparable
AA-Omniscience IndexSource -41.3%Not comparable
AA-Omniscience AccuracySource 25.4%Not comparable
AA-Omniscience Hallucination RateSource 89.4%Not comparable
AGIEvalSource 83.1%Not comparable
MMLUSource 90.1%Not comparable
MMLU-ReduxSource 90.8%Not comparable
MMMLUSource 90.3%Not comparable
C-EvalSource 93.1%Not comparable
CMMLUSource 90.8%Not comparable
MultiLoKoSource 51.1%Not comparable
SimpleQASource 55.2%Not comparable
SuperGPQASource 53.9%Not comparable
FACTS ParametricSource 62.6%Not comparable
TriviaQASource 85.6%Not comparable
Math
BenchmarkDeepSeek V3DeepSeek V4 Pro BaseResult
FrontierMath v2 (Tiers 1-3)Source 1.724%Not comparable
GSM8KSource 92.6%Not comparable
MATHSource 64.5%Not comparable
CMathSource 90.9%Not comparable
Multilingual
BenchmarkDeepSeek V3DeepSeek V4 Pro BaseResult
MGSMSource 84.4%Not comparable
Multimodal
BenchmarkDeepSeek V3DeepSeek V4 Pro BaseResult
Design Arena WebsiteSource 1150Not comparable
Inst. Following
BenchmarkDeepSeek V3DeepSeek V4 Pro BaseResult
IFEvalSource 86.1%Not comparable
AA-IFBenchSource 34.8%Not comparable
Frequently Asked Questions (2)

Which is better, DeepSeek V3 or DeepSeek V4 Pro Base?

DeepSeek V3 and DeepSeek V4 Pro Base are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.

Which is better for knowledge tasks, DeepSeek V3 or DeepSeek V4 Pro Base?

DeepSeek V3 has the edge for knowledge tasks in this comparison, averaging 72.7 versus 66.4. Inside this category, MMLU-Pro is the benchmark that creates the most daylight between them.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

DeepSeek V3
API / mo$1,028
Self-host / mo$18,221
Break-even1.2B/day
DeepSeek V4 Pro Base
API / mo$0
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Model the full break-even

Related Comparisons

Last updated: July 23, 2026

Choose a model with this week’s evidence

Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.

One email each week. Unsubscribe anytime.