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Model comparison

Claude 4.1 Opus vs GPT-4.1

Data verified

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

44.8/100
Margin
5.6pts
winning →
OpenAI
50.44/100
1 category wins0 category wins

Public leaderboard positions: Claude 4.1 Opus #149 (Supported); GPT-4.1 #111 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude 4.1 Opus and GPT-4.1 share 3 comparable benchmark results. 1 of 8 categories are comparable. 1 result is unique to Claude 4.1 Opus; 17 to GPT-4.1.

Updated July 24, 2026
Shared results
3
Claude 4.1 Opus only
1
GPT-4.1 only
17
Comparable categories
1 / 8

Pick GPT-4.1 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 3 shared benchmark results across 3 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

GPT-4.1 is clearly ahead on the BenchAlign aggregate, 50.44 to 44.8. 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 $2.00 input / $8.00 output per 1M tokens for GPT-4.1. That is roughly 9.4x on output cost alone. GPT-4.1 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 GPT-4.1
CategoryClaude 4.1 OpusΔGPT-4.1
CodingClaude 4.1 Opus74.5Margin 19.9GPT-4.154.6
KnowledgeClaude 4.1 OpusNot measuredMarginNo overlapGPT-4.166.3
MathClaude 4.1 OpusNot measuredMarginNo overlapGPT-4.14.1
Inst. FollowingClaude 4.1 OpusNot measuredMarginNo overlapGPT-4.187.4

Decisive benchmark drivers

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

More
A · Claude 4.1 OpusB · GPT-4.1
  1. SWE-bench Verified

    Coding
    Source ↗
    A 74.5%B 54.6%
    Winner: Claude 4.1 OpusΔ 19.9
    SWE-bench Verified: Claude 4.1 Opus scored 74.5%; GPT-4.1 scored 54.6%. 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 OpusGPT-4.1Comparison
Input / output priceUSD per 1M tokensClaude 4.1 Opus$15 input / $75 outputGPT-4.1$2 input / $8 outputGPT-4.1 has the lower combined listed price.
Generation speedtokens per secondClaude 4.1 Opus29 tok/sGPT-4.1108 tok/sGPT-4.1 has the higher measured throughput.
First-answer latencyseconds to first tokenClaude 4.1 Opus1.66 sGPT-4.11.02 sGPT-4.1 reaches the first token sooner.
Context windowmaximum listed tokensClaude 4.1 Opus200KGPT-4.11MGPT-4.1 lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude 4.1 OpusGPT-4.1Result
JobBenchSource 21.9%Not comparable
τ²-bench resultsSource 47.1%Not comparable
Gert LabsSource 25.65%Not comparable
CodingClaude 4.1 Opus wins
BenchmarkClaude 4.1 OpusGPT-4.1Result
SWE-bench VerifiedSource 74.5%54.6%Claude 4.1 Opus leads
AA-SciCodeSource 38.1%Not comparable
Reasoning
BenchmarkClaude 4.1 OpusGPT-4.1Result
AA-LCRSource 61.0%Not comparable
CritPtSource 0.0%Not comparable
Knowledge
BenchmarkClaude 4.1 OpusGPT-4.1Result
Artificial Analysis Intelligence IndexSource 28.2%19.4%Claude 4.1 Opus leads
MMLUSource 90.2%Not comparable
GPQASource 66.3%Not comparable
AA-GPQA DiamondSource 66.6%Not comparable
AA-HLESource 4.6%Not comparable
AA-Omniscience IndexSource -36.2%Not comparable
AA-Omniscience AccuracySource 24.2%Not comparable
AA-Omniscience Hallucination RateSource 79.6%Not comparable
Math
BenchmarkClaude 4.1 OpusGPT-4.1Result
FrontierMath v2 (Tiers 1-3)Source 5.517%Not comparable
FrontierMath v2 (Tier 4)Source 0.000%Not comparable
Multimodal
BenchmarkClaude 4.1 OpusGPT-4.1Result
Design Arena WebsiteSource 12071068Claude 4.1 Opus leads
AA-MMMU-ProSource 61.2%Not comparable
Inst. Following
BenchmarkClaude 4.1 OpusGPT-4.1Result
IFEvalSource 87.4%Not comparable
AA-IFBenchSource 43.0%Not comparable
Frequently Asked Questions (2)

Which is better, Claude 4.1 Opus or GPT-4.1?

GPT-4.1 is ahead on BenchLM's BenchAlign leaderboard, 50.44 to 44.8. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 74.5% and 54.6%.

Which is better for coding, Claude 4.1 Opus or GPT-4.1?

Claude 4.1 Opus has the edge for coding in this comparison, averaging 74.5 versus 54.6. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

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Last updated: July 24, 2026