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Model comparison

Claude 4.1 Opus vs DeepSeek V4 Pro

Data verified

Head-to-head evidence from 2 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

45.88/100
Margin
14.8pts
winning →
60.66/100
1 category wins0 category wins

Public leaderboard positions: Claude 4.1 Opus #142 (Supported); DeepSeek V4 Pro #46 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude 4.1 Opus and DeepSeek V4 Pro share 2 comparable benchmark results. 1 of 8 categories are comparable. 2 results are unique to Claude 4.1 Opus; 21 to DeepSeek V4 Pro.

Updated July 23, 2026
Shared results
2
Claude 4.1 Opus only
2
DeepSeek V4 Pro only
21
Comparable categories
1 / 8

Pick DeepSeek V4 Pro if you want the stronger benchmark profile. Claude 4.1 Opus only becomes the better choice if coding is the priority.

Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 2 evidence categories; 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 V4 Pro is clearly ahead on the BenchAlign aggregate, 60.66 to 45.88. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude 4.1 Opus is also the more expensive model on tokens at $15.00 input / $75.00 output per 1M tokens, versus $0.43 input / $0.87 output per 1M tokens for DeepSeek V4 Pro. That is roughly 86.2x on output cost alone. DeepSeek V4 Pro gives you the larger context window at 1M, compared with 200K for Claude 4.1 Opus.

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 Claude 4.1 Opus and DeepSeek V4 Pro
CategoryClaude 4.1 OpusΔDeepSeek V4 Pro
CodingClaude 4.1 Opus74.5Margin 9.2DeepSeek V4 Pro65.3
AgenticClaude 4.1 OpusNot measuredMarginNo overlapDeepSeek V4 Pro59.1
KnowledgeClaude 4.1 OpusNot measuredMarginNo overlapDeepSeek V4 Pro41.3
MathClaude 4.1 OpusNot measuredMarginNo overlapDeepSeek V4 Pro31.7

Decisive benchmark drivers

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

More
A · Claude 4.1 OpusB · DeepSeek V4 Pro
  1. SWE-bench Verified

    Coding
    Source ↗
    A 74.5%B 73.6%
    Winner: Claude 4.1 OpusΔ 0.9
    SWE-bench Verified: Claude 4.1 Opus scored 74.5%; DeepSeek V4 Pro scored 73.6%. Claude 4.1 Opus wins this benchmark.

Operational comparison

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

MetricClaude 4.1 OpusDeepSeek V4 ProComparison
Input / output priceUSD per 1M tokensClaude 4.1 Opus$15 input / $75 outputDeepSeek V4 Pro$0.435 input / $0.87 outputDeepSeek V4 Pro has the lower combined listed price.
Generation speedtokens per secondClaude 4.1 Opus29 tok/sDeepSeek V4 ProNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude 4.1 Opus1.66 sDeepSeek V4 ProNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude 4.1 Opus200KDeepSeek V4 Pro1MDeepSeek V4 Pro lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude 4.1 OpusDeepSeek V4 ProResult
JobBenchSource 21.9%Not 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
CodingClaude 4.1 Opus wins
BenchmarkClaude 4.1 OpusDeepSeek V4 ProResult
SWE-bench VerifiedSource 74.5%73.6%Claude 4.1 Opus leads
SWE-bench ProSource 52.1%Not comparable
SWE MultilingualSource 69.8%Not comparable
Terminal-Bench 2.0Source 59.1%Not comparable
Reasoning
BenchmarkClaude 4.1 OpusDeepSeek V4 ProResult
MRCR 1MSource 44.7%Not comparable
CorpusQA 1MSource 35.6%Not comparable
Knowledge
BenchmarkClaude 4.1 OpusDeepSeek V4 ProResult
Artificial Analysis Intelligence IndexSource 28.2%Not comparable
MMLU-ProSource 82.9%Not comparable
SimpleQASource 45%Not comparable
Chinese-SimpleQASource 75.8%Not comparable
GPQASource 72.9%Not comparable
GPQA-DSource 72.9%Not comparable
HLESource 7.7%Not comparable
Math
BenchmarkClaude 4.1 OpusDeepSeek V4 ProResult
HMMT Feb 2026Source 31.7%Not comparable
IMOAnswerBenchSource 35.3%Not comparable
ApexSource 0.4%Not comparable
Apex ShortlistSource 9.2%Not comparable
Multimodal
BenchmarkClaude 4.1 OpusDeepSeek V4 ProResult
Design Arena WebsiteSource 12071264DeepSeek V4 Pro leads
Frequently Asked Questions (2)

Which is better, Claude 4.1 Opus or DeepSeek V4 Pro?

DeepSeek V4 Pro is ahead on BenchLM's BenchAlign leaderboard, 60.66 to 45.88. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 74.5% and 73.6%.

Which is better for coding, Claude 4.1 Opus or DeepSeek V4 Pro?

Claude 4.1 Opus has the edge for coding in this comparison, averaging 74.5 versus 65.3. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Related Comparisons

Last updated: July 23, 2026

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