Model comparison
Claude Sonnet 5.5 vs Laguna M.1
Claude Sonnet 5.5 is the stronger model overall, scoring 60.5 to 31.9 on the Noometry Index.
Last verified . 2 shared benchmarks.
PoolsideSummary
- They share 2 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 3 categories and Laguna M.1 in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5.5 leads 88.7 to 20.3.
- The biggest single-benchmark swing is ProofBench: 100% for Claude Sonnet 5.5 and 0% for Laguna M.1.
- Claude Sonnet 5.5 accepts more context: 1M tokens versus 262K.
- Laguna M.1 has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 5.5 | Laguna M.1 | |
|---|---|---|
| Provider | Anthropic | Poolside |
| Noometry Index | 60.5 | 31.9 |
| Released | 2026-09-28 | 2026-04-28 |
| Weights | Proprietary | Open |
| Context window | 1M | 262K |
| Max output | 128K | 33K |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 16 | 3 |
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Category by category
Coding Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 65.5 (#6), Laguna M.1: 36.4 (#195)
| Benchmark | Claude Sonnet 5.5 | Laguna M.1 |
|---|---|---|
| LMArena WebDev | 1699 | 1348 |
| FrontierCode | 52.1% | — |
| CursorBench | 55.5% | — |
| FrontierSWE | 61.9% | — |
| SciCode | 61% | — |
| ALE-Bench | 1,819 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 5.5: 44.9 (#14), Laguna M.1: —
| Benchmark | Claude Sonnet 5.5 | Laguna M.1 |
|---|---|---|
| APEX-Agents | 75.5% | — |
Reasoning Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 52.4 (#29), Laguna M.1: 21.9 (#187)
| Benchmark | Claude Sonnet 5.5 | Laguna M.1 |
|---|---|---|
| CritPt | 31.4% | — |
| Mystery Game Puzzles | 65% | — |
| Surface Evolver Bench | — | 15.6% |
Math Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 88.7 (#4), Laguna M.1: 20.3 (#276)
| Benchmark | Claude Sonnet 5.5 | Laguna M.1 |
|---|---|---|
| ProofBench | 100% | 0% |
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
Knowledge Not comparable
Claude Sonnet 5.5: 66.0 (#11), Laguna M.1: —
| Benchmark | Claude Sonnet 5.5 | Laguna M.1 |
|---|---|---|
| GPQA Diamond | 95.6% | — |
| SimpleQA Verified | 46.5% | — |
Multimodal Not comparable
Claude Sonnet 5.5: 53.2 (#5), Laguna M.1: —
| Benchmark | Claude Sonnet 5.5 | Laguna M.1 |
|---|---|---|
| Furniture Assembly | 75% | — |
Frequently asked questions
Is Claude Sonnet 5.5 better than Laguna M.1?
Claude Sonnet 5.5 is the stronger model overall, scoring 60.5 to 31.9 on the Noometry Index.
Is Claude Sonnet 5.5 or Laguna M.1 better for coding?
Claude Sonnet 5.5 scores higher on coding benchmarks: 65.5 versus 36.4 in the Noometry coding category.
Which has the bigger context window?
Claude Sonnet 5.5 does, with 1M tokens against 262K.
How many benchmarks do Claude Sonnet 5.5 and Laguna M.1 share?
2 benchmarks have published results for both models. Claude Sonnet 5.5 has 16 scored results on Noometry and Laguna M.1 has 3.