Skip to main content

Model comparison

Claude 4.1 Opus vs Laguna XS.2

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.

44.78/100
No comparison
Poolside
N/A
1 category wins0 category wins

Public leaderboard positions: Claude 4.1 Opus #149 (Supported); Laguna XS.2 unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude 4.1 Opus and Laguna XS.2 share 1 comparable benchmark result. 1 of 8 categories are comparable. 3 results are unique to Claude 4.1 Opus; 4 to Laguna XS.2.

Updated July 27, 2026
Shared results
1
Claude 4.1 Opus only
3
Laguna XS.2 only
4
Comparable categories
1 / 8

Treat this as a split decision. Claude 4.1 Opus makes more sense if coding is the priority or you would rather avoid the extra latency and token burn of a reasoning model; Laguna XS.2 is the better fit if you want the cheaper token bill or you need the larger 256K 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

Claude 4.1 Opus and Laguna XS.2 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.

Claude 4.1 Opus is also the more expensive model on tokens at $15.00 input / $75.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Laguna XS.2. That is roughly Infinityx on output cost alone. Laguna XS.2 is the reasoning model in the pair, while Claude 4.1 Opus is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Laguna XS.2 gives you the larger context window at 256K, 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 Laguna XS.2
CategoryClaude 4.1 OpusΔLaguna XS.2
CodingClaude 4.1 Opus74.5Margin 13.7Laguna XS.260.8
AgenticClaude 4.1 OpusNot measuredMarginNo overlapLaguna XS.235.7

Decisive benchmark drivers

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

More
A · Claude 4.1 OpusB · Laguna XS.2
  1. SWE-bench Verified

    Coding
    Source ↗
    A 74.5%B 69.9%
    Winner: Claude 4.1 OpusΔ 4.6
    SWE-bench Verified: Claude 4.1 Opus scored 74.5%; Laguna XS.2 scored 69.9%. 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 OpusLaguna XS.2Comparison
Input / output priceUSD per 1M tokensClaude 4.1 Opus$15 input / $75 outputLaguna XS.2$0 input / $0 outputLaguna XS.2 has the lower combined listed price.
Generation speedtokens per secondClaude 4.1 Opus29 tok/sLaguna XS.2Not availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude 4.1 Opus1.66 sLaguna XS.2Not availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude 4.1 Opus200KLaguna XS.2256KLaguna XS.2 lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude 4.1 OpusLaguna XS.2Result
JobBenchSource 21.9%Not comparable
Terminal-Bench 2.0Source 35.7%Not comparable
CodingClaude 4.1 Opus wins
BenchmarkClaude 4.1 OpusLaguna XS.2Result
SWE-bench VerifiedSource 74.5%69.9%Claude 4.1 Opus leads
SWE MultilingualSource 57.7%Not comparable
SWE-bench ProSource 46.3%Not comparable
Terminal-Bench 2.0Source 35.7%Not comparable
Knowledge
BenchmarkClaude 4.1 OpusLaguna XS.2Result
Artificial Analysis Intelligence IndexSource 28.2%Not comparable
Multimodal
BenchmarkClaude 4.1 OpusLaguna XS.2Result
Design Arena WebsiteSource 1202Not comparable
Frequently Asked Questions (2)

Which is better, Claude 4.1 Opus or Laguna XS.2?

Claude 4.1 Opus and Laguna XS.2 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 coding, Claude 4.1 Opus or Laguna XS.2?

Claude 4.1 Opus has the edge for coding in this comparison, averaging 74.5 versus 60.8. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Related Comparisons

Last updated: July 27, 2026

Know when it’s worth switching models

The model to choose, the cheaper alternative, and the release we would wait on.

One email each week. Unsubscribe anytime.