Model comparison
Grok 4.1 vs Inkling
Inkling is the stronger model overall, scoring 44.1 to 40.8 on the Noometry Index.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. Grok 4.1 scores higher in 2 categories and Inkling in 7 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Inkling leads 55.2 to 38.9.
- Inkling has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 | Inkling | |
|---|---|---|
| Provider | xAI | Thinking Machines Lab |
| Noometry Index | 40.8 | 44.1 |
| Released | 2025-11-17 | 2026-07-15 |
| Weights | Proprietary | Open |
| Context window | — | 66K |
| Max output | — | 66K |
| Input $ / M tokens | — | $1.87 |
| Output $ / M tokens | — | $4.68 |
| Results tracked | 19 | 41 |
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Category by category
Coding Too close to call
Grok 4.1: 33.4 (#246), Inkling: 34.1 (#229)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| LMArena WebDev | 1214 | 1412 |
| LMArena Coding | 1445 | 1463 |
| FrontierCode | — | 14% |
| FrontierSWE | — | 4.1% |
| SciCode | — | 47% |
| WeirdML | — | 32.3% |
| ALE-Bench | — | 946 |
Agentic & Tool Use Grok 4.1 leads
Grok 4.1: 33.8 (#47), Inkling: 29.5 (#76)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
| Cybench | 39% | — |
Reasoning Inkling leads
Grok 4.1: 28.3 (#91), Inkling: 40.6 (#48)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1452 |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| ARC-AGI-1 | — | 79.5% |
| CritPt | — | 5.4% |
| Chess Puzzles | — | 21% |
| DTBench | — | 87.5% |
| LMCA | — | 37.6% |
| Epoch Capabilities Index | — | 148.6 |
Math Grok 4.1 leads
Grok 4.1: 36.2 (#124), Inkling: 31.2 (#198)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| LMArena Math | 1422 | 1482 |
| FrontierMath (Tiers 1-3) | — | 33.3% |
| FrontierMath Tier 4 | — | 4.9% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 0% |
Knowledge Inkling leads
Grok 4.1: 38.9 (#129), Inkling: 55.2 (#44)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| LMArena Expert | 1417 | 1468 |
| GPQA Diamond | — | 88.3% |
| SimpleQA Verified | — | 40.3% |
Multilingual Too close to call
Grok 4.1: 53.6 (#64), Inkling: 54.2 (#49)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| LMArena Non-English | 1425 | 1434 |
| LMArena Chinese | 1464 | 1495 |
| LMArena French | 1448 | 1453 |
| LMArena German | 1447 | 1456 |
| LMArena Japanese | 1396 | 1428 |
| LMArena Korean | 1407 | 1401 |
| LMArena Russian | 1434 | 1430 |
| LMArena Spanish | 1438 | 1442 |
Instruction Following Inkling leads
Grok 4.1: 74.0 (#106), Inkling: 75.3 (#65)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| LMArena Instruction Following | 1400 | 1427 |
Long Context Too close to call
Grok 4.1: 43.2 (#96), Inkling: 43.9 (#79)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| LMArena Longer Query | 1416 | 1436 |
Writing & Preference Inkling leads
Grok 4.1: 62.6 (#71), Inkling: 65.5 (#48)
| Benchmark | Grok 4.1 | Inkling |
|---|---|---|
| LMArena Text | 1437 | 1443 |
| LMArena Creative Writing | 1411 | 1390 |
| LMArena Multi-Turn | 1438 | 1436 |
| EQ-Bench Creative Writing | — | 1611 |
| EQ-Bench 4 | — | 1226 |
Frequently asked questions
Is Grok 4.1 better than Inkling?
Inkling is the stronger model overall, scoring 44.1 to 40.8 on the Noometry Index.
Is Grok 4.1 or Inkling better for coding?
They score almost the same on coding (33.4 vs 34.1); test both on your own repository before choosing.
How many benchmarks do Grok 4.1 and Inkling share?
18 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Inkling has 41.