Model comparison
Grok Build 0.1 vs Inkling
Inkling is the stronger model overall, scoring 44.1 to 36.4 on the Noometry Index. Grok Build 0.1 costs 2.1× less per token, which makes it the better buy when Inkling's lead doesn't matter for your workload.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. Grok Build 0.1 scores higher in 1 category and Inkling in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in coding, where Grok Build 0.1 leads 43.1 to 34.5.
- Grok Build 0.1 is cheaper at $1 / $2 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- Grok Build 0.1 accepts more context: 256K tokens versus 66K.
- Inkling has downloadable open weights; the other is API-only.
Side by side
| Grok Build 0.1 | Inkling | |
|---|---|---|
| Provider | xAI | Thinking Machines Lab |
| Noometry Index | 36.4 | 44.1 |
| Released | 2026-04-16 | 2026-07-15 |
| Weights | Proprietary | Open |
| Context window | 256K | 66K |
| Max output | 256K | 66K |
| Input $ / M tokens | $1 | $1.87 |
| Output $ / M tokens | $2 | $4.68 |
| Results tracked | 3 | 41 |
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Category by category
Coding Grok Build 0.1 leads
Grok Build 0.1: 43.1 (#91), Inkling: 34.5 (#234)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| SciCode | 50.2% | 47% |
| FrontierCode | — | 14% |
| LMArena WebDev | — | 1413 |
| FrontierSWE | — | 4.1% |
| WeirdML | — | 32.3% |
| LMArena Coding | — | 1464 |
| ALE-Bench | — | 946 |
Agentic & Tool Use Inkling leads
Grok Build 0.1: 22.7 (#129), Inkling: 29.6 (#85)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
| GBAEval | 2.4% | — |
Reasoning Inkling leads
Grok Build 0.1: 32.2 (#77), Inkling: 40.4 (#56)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| CritPt | 9.1% | 5.4% |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| ARC-AGI-1 | — | 79.5% |
| Chess Puzzles | — | 21% |
| LMArena Hard Prompts | — | 1451 |
| DTBench | — | 87.5% |
| LMCA | — | 37.6% |
| Epoch Capabilities Index | — | 148.54 |
Math Not comparable
Grok Build 0.1: —, Inkling: 31.3 (#225)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 33.3% |
| FrontierMath Tier 4 | — | 4.9% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 0% |
| LMArena Math | — | 1479 |
Knowledge Not comparable
Grok Build 0.1: —, Inkling: 55.1 (#49)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| GPQA Diamond | — | 88.3% |
| SimpleQA Verified | — | 40.3% |
| LMArena Expert | — | 1465 |
Multilingual Not comparable
Grok Build 0.1: —, Inkling: 54.0 (#52)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| LMArena Non-English | — | 1434 |
| LMArena Chinese | — | 1490 |
| LMArena French | — | 1458 |
| LMArena German | — | 1446 |
| LMArena Japanese | — | 1429 |
| LMArena Korean | — | 1404 |
| LMArena Russian | — | 1429 |
| LMArena Spanish | — | 1448 |
Instruction Following Not comparable
Grok Build 0.1: —, Inkling: 75.1 (#71)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| LMArena Instruction Following | — | 1426 |
Long Context Not comparable
Grok Build 0.1: —, Inkling: 43.8 (#86)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| LMArena Longer Query | — | 1434 |
Writing & Preference Not comparable
Grok Build 0.1: —, Inkling: 65.2 (#51)
| Benchmark | Grok Build 0.1 | Inkling |
|---|---|---|
| LMArena Text | — | 1441 |
| LMArena Creative Writing | — | 1387 |
| EQ-Bench Creative Writing | — | 1611 |
| EQ-Bench 4 | — | 1226 |
| LMArena Multi-Turn | — | 1436 |
Frequently asked questions
Is Grok Build 0.1 better than Inkling?
Inkling is the stronger model overall, scoring 44.1 to 36.4 on the Noometry Index. Grok Build 0.1 costs 2.1× less per token, which makes it the better buy when Inkling's lead doesn't matter for your workload.
Which is cheaper, Grok Build 0.1 or Inkling?
Grok Build 0.1 is cheaper. It lists at $1 per million input tokens and $2 per million output tokens; Inkling lists at $1.87 and $4.68.
Is Grok Build 0.1 or Inkling better for coding?
Grok Build 0.1 scores higher on coding benchmarks: 43.1 versus 34.5 in the Noometry coding category.
Which has the bigger context window?
Grok Build 0.1 does, with 256K tokens against 66K.
How many benchmarks do Grok Build 0.1 and Inkling share?
2 benchmarks have published results for both models. Grok Build 0.1 has 3 scored results on Noometry and Inkling has 41.