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Model comparison

DeepSeek V3 vs DeepSeek V4 Pro

Data verified

Head-to-head evidence from 4 shared benchmark results across 3 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

DeepSeek
44.97/100
Margin
15.7pts
winning →
60.66/100
1 category wins2 category wins

Public leaderboard positions: DeepSeek V3 #147 (Supported); DeepSeek V4 Pro #46 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek V3 and DeepSeek V4 Pro share 4 comparable benchmark results. 3 of 8 categories are comparable. 18 results are unique to DeepSeek V3; 19 to DeepSeek V4 Pro.

Updated July 23, 2026
Shared results
4
DeepSeek V3 only
18
DeepSeek V4 Pro only
19
Comparable categories
3 / 8

Pick DeepSeek V4 Pro if you want the stronger benchmark profile. DeepSeek V3 only becomes the better choice if knowledge is the priority.

Confidence note. This is a partial-evidence comparison with 4 shared benchmark results across 3 evidence categories; 3 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

DeepSeek V4 Pro is clearly ahead on the BenchAlign aggregate, 60.66 to 44.97. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek V4 Pro's sharpest advantage is in mathematics, where it averages 31.7 against 1.7. The single biggest benchmark swing on the page is SWE-bench Verified, 42% to 73.6%. DeepSeek V3 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

DeepSeek V3 is also the more expensive model on tokens at $0.27 input / $1.10 output per 1M tokens, versus $0.43 input / $0.87 output per 1M tokens for DeepSeek V4 Pro. DeepSeek V4 Pro 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
CategoryDeepSeek V3ΔDeepSeek V4 Pro
KnowledgeDeepSeek V372.7Margin 31.4DeepSeek V4 Pro41.3
MathDeepSeek V31.7Margin 30.0DeepSeek V4 Pro31.7
CodingDeepSeek V338.9Margin 26.4DeepSeek V4 Pro65.3
AgenticDeepSeek V3Not measuredMarginNo overlapDeepSeek V4 Pro59.1
Inst. FollowingDeepSeek V386.1MarginNo overlapDeepSeek V4 ProNot measured

Decisive benchmark drivers

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

More
A · DeepSeek V3B · DeepSeek V4 Pro
  1. SWE-bench Verified

    Coding
    Source ↗
    A 42%B 73.6%
    Winner: DeepSeek V4 ProΔ 31.6
    SWE-bench Verified: DeepSeek V3 scored 42%; DeepSeek V4 Pro scored 73.6%. DeepSeek V4 Pro wins this benchmark.
  2. GPQA

    Knowledge
    Source ↗
    A 59.1%B 72.9%
    Winner: DeepSeek V4 ProΔ 13.8
    GPQA: DeepSeek V3 scored 59.1%; DeepSeek V4 Pro scored 72.9%. DeepSeek V4 Pro wins this benchmark.
  3. MMLU-Pro

    Knowledge
    Source ↗
    A 75.9%B 82.9%
    Winner: DeepSeek V4 ProΔ 7
    MMLU-Pro: DeepSeek V3 scored 75.9%; DeepSeek V4 Pro scored 82.9%. DeepSeek V4 Pro wins this benchmark.

Operational comparison

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

MetricDeepSeek V3DeepSeek V4 ProComparison
Input / output priceUSD per 1M tokensDeepSeek V3$0.27 input / $1.1 outputDeepSeek V4 Pro$0.435 input / $0.87 outputDeepSeek V4 Pro has the lower combined listed price.
Generation speedtokens per secondDeepSeek V3Not availableDeepSeek V4 ProNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V3Not availableDeepSeek V4 ProNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V3128KDeepSeek V4 Pro1MDeepSeek V4 Pro lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkDeepSeek V3DeepSeek V4 ProResult
AA Agentic IndexSource 1.6%Not comparable
τ²-bench resultsSource 22.8%Not comparable
GDPval-AASource 0.0%Not comparable
GDPval-AASource 217Not comparable
Terminal-Bench 2.0Source 59.1%Not comparable
MCP AtlasSource 69.4%Not comparable
ToolathlonSource 46.3%Not comparable
Claw-EvalSource 59.8%Not comparable
Gert LabsSource 50.28%Not comparable
ResearchClawBenchSource 17.1%Not comparable
CodingDeepSeek V4 Pro wins
BenchmarkDeepSeek V3DeepSeek V4 ProResult
LiveCodeBenchSource 37.6%Not comparable
SWE-bench VerifiedSource 42%73.6%DeepSeek V4 Pro leads
AA Coding IndexSource 23.0%Not comparable
AA-SciCodeSource 35.4%Not comparable
SWE-bench ProSource 52.1%Not comparable
SWE MultilingualSource 69.8%Not comparable
Terminal-Bench 2.0Source 59.1%Not comparable
Reasoning
BenchmarkDeepSeek V3DeepSeek V4 ProResult
AA-LCRSource 29.0%Not comparable
CritPtSource 0.0%Not comparable
MRCR 1MSource 44.7%Not comparable
CorpusQA 1MSource 35.6%Not comparable
KnowledgeDeepSeek V3 wins
BenchmarkDeepSeek V3DeepSeek V4 ProResult
GPQASource 59.1%72.9%DeepSeek V4 Pro leads
MMLU-ProSource 75.9%82.9%DeepSeek V4 Pro 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
SimpleQASource 45%Not comparable
Chinese-SimpleQASource 75.8%Not comparable
GPQA-DSource 72.9%Not comparable
HLESource 7.7%Not comparable
MathDeepSeek V4 Pro wins
BenchmarkDeepSeek V3DeepSeek V4 ProResult
FrontierMath v2 (Tiers 1-3)Source 1.724%Not comparable
HMMT Feb 2026Source 31.7%Not comparable
IMOAnswerBenchSource 35.3%Not comparable
ApexSource 0.4%Not comparable
Apex ShortlistSource 9.2%Not comparable
Multimodal
BenchmarkDeepSeek V3DeepSeek V4 ProResult
Design Arena WebsiteSource 11501264DeepSeek V4 Pro leads
Inst. Following
BenchmarkDeepSeek V3DeepSeek V4 ProResult
IFEvalSource 86.1%Not comparable
AA-IFBenchSource 34.8%Not comparable
Frequently Asked Questions (4)

Which is better, DeepSeek V3 or DeepSeek V4 Pro?

DeepSeek V4 Pro is ahead on BenchLM's BenchAlign leaderboard, 60.66 to 44.97. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 42% and 73.6%.

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

DeepSeek V3 has the edge for knowledge tasks in this comparison, averaging 72.7 versus 41.3. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V3 or DeepSeek V4 Pro?

DeepSeek V4 Pro has the edge for coding in this comparison, averaging 65.3 versus 38.9. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, DeepSeek V3 or DeepSeek V4 Pro?

DeepSeek V4 Pro has the edge for math in this comparison, averaging 31.7 versus 1.7. DeepSeek V3 stays close enough that the answer can still flip depending on your workload.

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
API / mo$979
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Model the full break-even

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Last updated: July 23, 2026

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