Model comparison
Laguna M.1 vs Mercury 2
Mercury 2 is the stronger model overall, scoring 39.1 to 32.5 on the Noometry Index.
Last verified . 1 shared benchmarks.
PoolsideSummary
- They share 1 benchmark with published results for both. Laguna M.1 scores higher in 1 category and Mercury 2 in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where Laguna M.1 leads 36.6 to 33.5.
- Laguna M.1 accepts more context: 262K tokens versus 128K.
- Laguna M.1 has downloadable open weights; the other is API-only.
Side by side
| Laguna M.1 | Mercury 2 | |
|---|---|---|
| Provider | Poolside | Inception |
| Noometry Index | 32.5 | 39.1 |
| Released | 2026-04-28 | 2026-02-20 |
| Weights | Open | Proprietary |
| Context window | 262K | 128K |
| Max output | 33K | 50K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $0.75 |
| Results tracked | 3 | 17 |
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Category by category
Coding Laguna M.1 leads
Laguna M.1: 36.6 (#204), Mercury 2: 33.5 (#255)
| Benchmark | Laguna M.1 | Mercury 2 |
|---|---|---|
| LMArena WebDev | 1349 | 1171 |
| SciCode | — | 38.7% |
| WeirdML | — | 43.2% |
| LMArena Coding | — | 1391 |
| ALE-Bench | — | 785.58 |
Reasoning Too close to call
Laguna M.1: 23.1 (#184), Mercury 2: 23.8 (#170)
| Benchmark | Laguna M.1 | Mercury 2 |
|---|---|---|
| CritPt | — | 0.8% |
| LMArena Hard Prompts | — | 1362 |
| Surface Evolver Bench | 15.6% | — |
Math Not comparable
Laguna M.1: 21.1 (#283), Mercury 2: —
| Benchmark | Laguna M.1 | Mercury 2 |
|---|---|---|
| ProofBench | 0% | — |
Knowledge Not comparable
Laguna M.1: —, Mercury 2: 36.2 (#172)
| Benchmark | Laguna M.1 | Mercury 2 |
|---|---|---|
| Vectara Hallucination Rate | — | 12.3% |
| LMArena Expert | — | 1358 |
Multilingual Not comparable
Laguna M.1: —, Mercury 2: 46.6 (#157)
| Benchmark | Laguna M.1 | Mercury 2 |
|---|---|---|
| LMArena Non-English | — | 1331 |
| LMArena Chinese | — | 1417 |
| LMArena Russian | — | 1304 |
Instruction Following Not comparable
Laguna M.1: —, Mercury 2: 70.2 (#165)
| Benchmark | Laguna M.1 | Mercury 2 |
|---|---|---|
| LMArena Instruction Following | — | 1329 |
Long Context Not comparable
Laguna M.1: —, Mercury 2: 40.5 (#154)
| Benchmark | Laguna M.1 | Mercury 2 |
|---|---|---|
| LMArena Longer Query | — | 1330 |
Writing & Preference Not comparable
Laguna M.1: —, Mercury 2: 53.8 (#155)
| Benchmark | Laguna M.1 | Mercury 2 |
|---|---|---|
| LMArena Text | — | 1355 |
| LMArena Creative Writing | — | 1289 |
| LMArena Multi-Turn | — | 1358 |
Frequently asked questions
Is Laguna M.1 better than Mercury 2?
Mercury 2 is the stronger model overall, scoring 39.1 to 32.5 on the Noometry Index.
Is Laguna M.1 or Mercury 2 better for coding?
Laguna M.1 scores higher on coding benchmarks: 36.6 versus 33.5 in the Noometry coding category.
Which has the bigger context window?
Laguna M.1 does, with 262K tokens against 128K.
How many benchmarks do Laguna M.1 and Mercury 2 share?
1 benchmark has published results for both models. Laguna M.1 has 3 scored results on Noometry and Mercury 2 has 17.