Model comparison
Grok 4.3 vs Inkling
Grok 4.3 and Inkling score almost the same on the Noometry Index (43.8 vs 44.1), so choose on price, context window or the category you care about most.
Last verified . 33 shared benchmarks.
Summary
- They share 33 benchmarks with published results for both. Grok 4.3 scores higher in 2 categories and Inkling in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Grok 4.3 leads 46.0 to 31.3.
- The biggest single-benchmark swing is WeirdML: 49.9% for Grok 4.3 and 32.3% for Inkling.
- Grok 4.3 is cheaper at $1.25 / $2.50 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- Grok 4.3 accepts more context: 1M tokens versus 66K.
- Inkling has downloadable open weights; the other is API-only.
Side by side
| Grok 4.3 | Inkling | |
|---|---|---|
| Provider | xAI | Thinking Machines Lab |
| Noometry Index | 43.8 | 44.1 |
| Released | 2026-04-17 | 2026-07-15 |
| Weights | Proprietary | Open |
| Context window | 1M | 66K |
| Max output | 30K | 66K |
| Input $ / M tokens | $1.25 | $1.87 |
| Output $ / M tokens | $2.50 | $4.68 |
| Results tracked | 40 | 41 |
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Category by category
Coding Grok 4.3 leads
Grok 4.3: 41.6 (#121), Inkling: 34.5 (#234)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena WebDev | 1357 | 1413 |
| SciCode | 47.3% | 47% |
| WeirdML | 49.9% | 32.3% |
| LMArena Coding | 1415 | 1464 |
| ALE-Bench | 944.17 | 946 |
| FrontierCode | — | 14% |
| FrontierSWE | — | 4.1% |
Agentic & Tool Use Inkling leads
Grok 4.3: 27.7 (#99), Inkling: 29.6 (#85)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
| GDP.pdf | 8% | — |
| LMArena Search | 1165 | — |
| Vending-Bench 2 | 35.26 | — |
Reasoning Inkling leads
Grok 4.3: 35.9 (#68), Inkling: 40.4 (#56)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| CritPt | 8% | 5.4% |
| Chess Puzzles | 25% | 21% |
| LMArena Hard Prompts | 1396 | 1451 |
| DTBench | 90.7% | 87.5% |
| LMCA | 38.3% | 37.6% |
| Epoch Capabilities Index | 149.16 | 148.54 |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| NYT Connections (extended) | 55.2% | — |
| ARC-AGI-1 | — | 79.5% |
| ForecastBench | 60.3 | — |
Math Grok 4.3 leads
Grok 4.3: 46.0 (#74), Inkling: 31.3 (#225)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| FrontierMath (Tiers 1-3) | 42.8% | 33.3% |
| FrontierMath Tier 4 | 14.6% | 4.9% |
| OTIS Mock AIME 2024-2025 | 93.3% | 88.9% |
| ProofBench | 11% | 0% |
| LMArena Math | 1388 | 1479 |
Knowledge Inkling leads
Grok 4.3: 52.5 (#62), Inkling: 55.1 (#49)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| GPQA Diamond | 88.8% | 88.3% |
| SimpleQA Verified | 33.2% | 40.3% |
| LMArena Expert | 1385 | 1465 |
Multimodal Not comparable
Grok 4.3: 31.6 (#104), Inkling: —
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Vision | 1229 | — |
| Blueprint-Bench 2 | 0% | — |
Multilingual Inkling leads
Grok 4.3: 50.5 (#120), Inkling: 54.0 (#52)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Non-English | 1385 | 1434 |
| LMArena Chinese | 1422 | 1490 |
| LMArena French | 1412 | 1458 |
| LMArena German | 1395 | 1446 |
| LMArena Japanese | 1379 | 1429 |
| LMArena Korean | 1356 | 1404 |
| LMArena Russian | 1399 | 1429 |
| LMArena Spanish | 1398 | 1448 |
Instruction Following Inkling leads
Grok 4.3: 72.1 (#140), Inkling: 75.1 (#71)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Instruction Following | 1366 | 1426 |
Long Context Inkling leads
Grok 4.3: 42.5 (#123), Inkling: 43.8 (#86)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Longer Query | 1393 | 1434 |
Writing & Preference Inkling leads
Grok 4.3: 58.5 (#118), Inkling: 65.2 (#51)
| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Text | 1397 | 1441 |
| LMArena Creative Writing | 1380 | 1387 |
| EQ-Bench 4 | 1075 | 1226 |
| LMArena Multi-Turn | 1406 | 1436 |
| EQ-Bench Creative Writing | — | 1611 |
Frequently asked questions
Is Grok 4.3 better than Inkling?
Grok 4.3 and Inkling score almost the same on the Noometry Index (43.8 vs 44.1), so choose on price, context window or the category you care about most.
Which is cheaper, Grok 4.3 or Inkling?
Grok 4.3 is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; Inkling lists at $1.87 and $4.68.
Is Grok 4.3 or Inkling better for coding?
Grok 4.3 scores higher on coding benchmarks: 41.6 versus 34.5 in the Noometry coding category.
Which has the bigger context window?
Grok 4.3 does, with 1M tokens against 66K.
How many benchmarks do Grok 4.3 and Inkling share?
33 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Inkling has 41.