Model comparison
Grok 4.1 Fast vs Laguna M.1
Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 31.9 on the Noometry Index.
Last verified . 2 shared benchmarks.
PoolsideSummary
- They share 2 benchmarks with published results for both. Grok 4.1 Fast scores higher in 2 categories and Laguna M.1 in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 Fast leads 42.3 to 21.9.
- 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
| Grok 4.1 Fast | Laguna M.1 | |
|---|---|---|
| Provider | xAI | Poolside |
| Noometry Index | 40.9 | 31.9 |
| Released | 2025-06-27 | 2026-04-28 |
| Weights | Proprietary | Open |
| Context window | 128K | 262K |
| Max output | 30K | 33K |
| Input $ / M tokens | $0.20 | — |
| Output $ / M tokens | $0.50 | — |
| Results tracked | 32 | 3 |
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Category by category
Coding Laguna M.1 leads
Grok 4.1 Fast: 33.8 (#236), Laguna M.1: 36.4 (#195)
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| LMArena WebDev | 1241 | 1348 |
| LMArena Coding | 1411 | — |
| ALE-Bench | 394.93 | — |
Agentic & Tool Use Not comparable
Grok 4.1 Fast: 36.1 (#35), Laguna M.1: —
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 69.6% | — |
| τ²-bench Banking | 13.1% | — |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | 1,107 | — |
Reasoning Grok 4.1 Fast leads
Grok 4.1 Fast: 42.3 (#45), Laguna M.1: 21.9 (#187)
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| SimpleBench | 56% | — |
| NYT Connections (extended) | 87.4% | — |
| LMArena Hard Prompts | 1407 | — |
| DTBench | 87.7% | — |
| Surface Evolver Bench | — | 15.6% |
| ForecastBench | 61 | — |
Math Grok 4.1 Fast leads
Grok 4.1 Fast: 30.9 (#201), Laguna M.1: 20.3 (#276)
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| ProofBench | 4% | 0% |
| MathArena Final-Answer Competitions | 60.9% | — |
| LMArena Math | 1408 | — |
Knowledge Not comparable
Grok 4.1 Fast: 32.6 (#203), Laguna M.1: —
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| Vectara Hallucination Rate | 17.8% | — |
| LMArena Expert | 1398 | — |
Multimodal Not comparable
Grok 4.1 Fast: 36.3 (#71), Laguna M.1: —
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| LMArena Vision | 1201 | — |
Multilingual Not comparable
Grok 4.1 Fast: 51.1 (#110), Laguna M.1: —
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| LMArena Non-English | 1391 | — |
| LMArena Chinese | 1441 | — |
| LMArena French | 1416 | — |
| LMArena German | 1404 | — |
| LMArena Japanese | 1347 | — |
| LMArena Korean | 1361 | — |
| LMArena Russian | 1387 | — |
| LMArena Spanish | 1411 | — |
Instruction Following Not comparable
Grok 4.1 Fast: 72.8 (#127), Laguna M.1: —
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| LMArena Instruction Following | 1376 | — |
Long Context Not comparable
Grok 4.1 Fast: 42.4 (#121), Laguna M.1: —
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| LMArena Longer Query | 1390 | — |
Writing & Preference Not comparable
Grok 4.1 Fast: 57.4 (#126), Laguna M.1: —
| Benchmark | Grok 4.1 Fast | Laguna M.1 |
|---|---|---|
| LMArena Text | 1408 | — |
| LMArena Creative Writing | 1394 | — |
| EQ-Bench Creative Writing | 1327 | — |
| LMArena Multi-Turn | 1389 | — |
Frequently asked questions
Is Grok 4.1 Fast better than Laguna M.1?
Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 31.9 on the Noometry Index.
Is Grok 4.1 Fast or Laguna M.1 better for coding?
Laguna M.1 scores higher on coding benchmarks: 36.4 versus 33.8 in the Noometry coding category.
Which has the bigger context window?
Laguna M.1 does, with 262K tokens against 128K.
How many benchmarks do Grok 4.1 Fast and Laguna M.1 share?
2 benchmarks have published results for both models. Grok 4.1 Fast has 32 scored results on Noometry and Laguna M.1 has 3.