Skip to main content

Model comparison

Laguna M.1 vs Laguna S 2.1

Data verified

Head-to-head evidence from 4 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

Sibling matchup inside the Laguna family.

Poolside
N/A
No comparison
Poolside
N/A
1 category wins1 category wins

Evidence parity. Laguna M.1 and Laguna S 2.1 share 4 comparable benchmark results. 2 of 8 categories are comparable. 1 result is unique to Laguna M.1; 2 to Laguna S 2.1.

Updated July 21, 2026
Shared results
4
Laguna M.1 only
1
Laguna S 2.1 only
2
Comparable categories
2 / 8

Laguna M.1 makes more sense if coding is the priority, while Laguna S 2.1 is the cleaner fit if agentic is the priority or you need the larger 1M context window.

Confidence note. This is a partial-evidence comparison with 4 shared benchmark results across 2 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Laguna M.1 and Laguna S 2.1 sit in the same Laguna family. This page is less about two unrelated model lineages and more about how the siblings trade off on benchmark shape, token costs, and practical limits like context window.

Laguna M.1 and Laguna S 2.1 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.

Laguna S 2.1 gives you the larger context window at 1M, compared with 256K for Laguna M.1.

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 Laguna M.1 and Laguna S 2.1
CategoryLaguna M.1ΔLaguna S 2.1
AgenticLaguna M.145.8Margin 24.4Laguna S 2.170.2
CodingLaguna M.164.8Margin 5.4Laguna S 2.159.4

Decisive benchmark drivers

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

More
A · Laguna M.1B · Laguna S 2.1
  1. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 45.8%B 70.2%
    Winner: Laguna S 2.1Δ 24.4
    Terminal-Bench 2.0: Laguna M.1 scored 45.8%; Laguna S 2.1 scored 70.2%. Laguna S 2.1 wins this benchmark.
  2. SWE-bench Pro

    Coding
    Source ↗
    A 49.2%B 59.4%
    Winner: Laguna S 2.1Δ 10.2
    SWE-bench Pro: Laguna M.1 scored 49.2%; Laguna S 2.1 scored 59.4%. Laguna S 2.1 wins this benchmark.

Operational comparison

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

MetricLaguna M.1Laguna S 2.1Comparison
Input / output priceUSD per 1M tokensLaguna M.1Not availableLaguna S 2.1$0.1 input / $0.2 outputA complete price comparison is not available.
Generation speedtokens per secondLaguna M.1Not availableLaguna S 2.1Not availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenLaguna M.1Not availableLaguna S 2.1Not availableA complete latency comparison is not available.
Context windowmaximum listed tokensLaguna M.1256KLaguna S 2.11MLaguna S 2.1 lists the larger context window.

Benchmark Deep Dive

AgenticLaguna S 2.1 wins
BenchmarkLaguna M.1Laguna S 2.1Result
Terminal-Bench 2.0Source 45.8%70.2%Laguna S 2.1 leads
Toolathlon-VerifiedSource 49.7%Not comparable
CodingLaguna M.1 wins
BenchmarkLaguna M.1Laguna S 2.1Result
SWE-bench VerifiedSource 74.6%Not comparable
SWE MultilingualSource 63.1%78.5%Laguna S 2.1 leads
SWE-bench ProSource 49.2%59.4%Laguna S 2.1 leads
Terminal-Bench 2.0Source 45.8%70.2%Laguna S 2.1 leads
deepSweSource 40.4%Not comparable
Frequently Asked Questions (3)

Which is better, Laguna M.1 or Laguna S 2.1?

Laguna M.1 and Laguna S 2.1 are sibling variants in the Laguna family, so the right pick depends on whether you value the better benchmark line, cheaper tokens, or the larger context window. They are tied on the BenchAlign leaderboard on the current data.

Which is better for coding, Laguna M.1 or Laguna S 2.1?

Laguna M.1 has the edge for coding in this comparison, averaging 64.8 versus 59.4. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Laguna M.1 or Laguna S 2.1?

Laguna S 2.1 has the edge for agentic tasks in this comparison, averaging 70.2 versus 45.8. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Related Comparisons

Last updated: July 21, 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.