Model comparison

Laguna XS.2 vs Mercury 2

Data verified July 27, 2026

Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

No sourced benchmark result is currently shared by both models. This page therefore compares only the available metadata, pricing, and runtime rows; it does not name a quality winner.

Laguna XS.2

Poolside

N/A

No comparison

Mercury 2

Inception

N/A

0 category wins0 category wins

Public leaderboard positions: Laguna XS.2 unranked (Not scored); Mercury 2 #129 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Laguna XS.2 and Mercury 2 share 0 comparable benchmark results. 0 of 8 categories are comparable. 5 results are unique to Laguna XS.2; 0 to Mercury 2.

Updated July 27, 2026

Shared results: 0
Laguna XS.2 only: 5
Mercury 2 only: 0
Comparable categories: 0 / 8

Benchmark data for Laguna XS.2 and Mercury 2 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM does not have sourced benchmark coverage for Mercury 2 yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

Mercury 2 is priced at $0.25 input / $0.75 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Laguna XS.2. Laguna XS.2 has the larger context window at 256K, compared with 128K for Mercury 2.

Operational comparison

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

Metric	Laguna XS.2	Mercury 2	Comparison
Input / output priceUSD per 1M tokens	Laguna XS.2$0 input / $0 output	Mercury 2$0.25 input / $0.75 output	Laguna XS.2 has the lower combined listed price.
Generation speedtokens per second	Laguna XS.2Not available	Mercury 2789 tok/s	A complete speed comparison is not available.
First-answer latencyseconds to first token	Laguna XS.2Not available	Mercury 23.88 s	A complete latency comparison is not available.
Context windowmaximum listed tokens	Laguna XS.2256K	Mercury 2128K	Laguna XS.2 lists the larger context window.

Benchmark Deep Dive

Agentic

1 benchmarks

Benchmark	Laguna XS.2	Mercury 2	Result
Terminal-Bench 2.0Source	35.7%	—	Not comparable

Coding

4 benchmarks

Benchmark	Laguna XS.2	Mercury 2	Result
SWE-bench VerifiedSource	69.9%	—	Not comparable
SWE MultilingualSource	57.7%	—	Not comparable
SWE-bench ProSource	46.3%	—	Not comparable
Terminal-Bench 2.0Source	35.7%	—	Not comparable

Frequently Asked Questions (3)

Can I compare Laguna XS.2 and Mercury 2 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Laguna XS.2 and Mercury 2 today?

Laguna XS.2: $0.00 input / $0.00 output per 1M tokens Mercury 2: $0.25 input / $0.75 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Related Comparisons

Explore More

Poolside Compare Pricing Methodology Find Your Best LLM Overall Rankings

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.