Model comparison
Laguna M.1 vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 32.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Poolside
StepFunSummary
- The widest gap is in math, where Step 3.5 Flash leads 42.6 to 21.1.
- Laguna M.1 accepts more context: 262K tokens versus 256K.
Side by side
| Laguna M.1 | Step 3.5 Flash | |
|---|---|---|
| Provider | Poolside | StepFun |
| Noometry Index | 32.5 | 42.3 |
| Released | 2026-04-28 | 2026-01-29 |
| Weights | Open | Open |
| Context window | 262K | 256K |
| Max output | 33K | 256K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.30 |
| Results tracked | 3 | 19 |
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Category by category
Coding Step 3.5 Flash leads
Laguna M.1: 36.6 (#204), Step 3.5 Flash: 42.4 (#105)
| Benchmark | Laguna M.1 | Step 3.5 Flash |
|---|---|---|
| LMArena WebDev | 1349 | — |
| LMArena Coding | — | 1436 |
Reasoning Too close to call
Laguna M.1: 23.1 (#184), Step 3.5 Flash: 22.2 (#202)
| Benchmark | Laguna M.1 | Step 3.5 Flash |
|---|---|---|
| NYT Connections (extended) | — | 28.4% |
| LMArena Hard Prompts | — | 1411 |
| Surface Evolver Bench | 15.6% | — |
Math Step 3.5 Flash leads
Laguna M.1: 21.1 (#283), Step 3.5 Flash: 42.6 (#84)
| Benchmark | Laguna M.1 | Step 3.5 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 66.8% |
| ProofBench | 0% | — |
| LMArena Math | — | 1408 |
Knowledge Not comparable
Laguna M.1: —, Step 3.5 Flash: 39.6 (#132)
| Benchmark | Laguna M.1 | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | — | 1421 |
Multilingual Not comparable
Laguna M.1: —, Step 3.5 Flash: 50.5 (#119)
| Benchmark | Laguna M.1 | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | — | 1385 |
| LMArena Chinese | — | 1447 |
| LMArena French | — | 1421 |
| LMArena German | — | 1405 |
| LMArena Japanese | — | 1354 |
| LMArena Korean | — | 1352 |
| LMArena Russian | — | 1385 |
| LMArena Spanish | — | 1419 |
Instruction Following Not comparable
Laguna M.1: —, Step 3.5 Flash: 73.1 (#124)
| Benchmark | Laguna M.1 | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | — | 1385 |
Long Context Not comparable
Laguna M.1: —, Step 3.5 Flash: 42.8 (#117)
| Benchmark | Laguna M.1 | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | — | 1402 |
Writing & Preference Not comparable
Laguna M.1: —, Step 3.5 Flash: 58.8 (#113)
| Benchmark | Laguna M.1 | Step 3.5 Flash |
|---|---|---|
| LMArena Text | — | 1403 |
| LMArena Creative Writing | — | 1357 |
| LMArena Multi-Turn | — | 1405 |
Frequently asked questions
Is Laguna M.1 better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 32.5 on the Noometry Index.
Is Laguna M.1 or Step 3.5 Flash better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 36.6 in the Noometry coding category.
Which has the bigger context window?
Laguna M.1 does, with 262K tokens against 256K.
How many benchmarks do Laguna M.1 and Step 3.5 Flash share?
0 benchmarks have published results for both models. Laguna M.1 has 3 scored results on Noometry and Step 3.5 Flash has 19.