# GPT-4.1 mini vs Inkling

> Inkling is the stronger model overall, scoring 44.1 to 33.5 on the Noometry Index. GPT-4.1 mini costs 3.7× less per token, which makes it the better buy when Inkling's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-4-1-mini-vs-inkling
- Last updated: 2026-10-10
- Shared benchmarks: 31

## Summary

- They share 31 benchmarks with published results for both. GPT-4.1 mini scores higher in 1 category and Inkling in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Inkling leads 40.6 to 10.9.
- The biggest single-benchmark swing is ARC-AGI-1: 3.5% for GPT-4.1 mini and 79.5% for Inkling.
- GPT-4.1 mini is cheaper at $0.40 / $1.60 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- GPT-4.1 mini accepts more context: 1.05M tokens versus 66K.
- Inkling has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-4.1 mini | Inkling |
|---|---|---|
| Provider | OpenAI | Thinking Machines Lab |
| Noometry Index | 33.5 | 44.1 |
| Rank | 232 | 75 |
| Context | 1.05M | 66K |
| Input $/M | $0.40 | $1.87 |
| Output $/M | $1.60 | $4.68 |
| Weights | Proprietary | Open |

## Coding

- GPT-4.1 mini: 30.4 (#286)
- Inkling: 34.1 (#229)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| SciCode | 40.4% | 47% |
| WeirdML | 37.6% | 32.3% |
| LMArena Coding | 1367 | 1463 |
| FrontierCode | — | 14% |
| SWE-bench Verified (bash only) | 23.9% | — |
| Aider Polyglot | 32.4% | — |
| LMArena WebDev | — | 1412 |
| FrontierSWE | — | 4.1% |
| BigCodeBench Instruct | 48.9% | — |
| CadEval | 16% | — |
| ALE-Bench | — | 946 |

## Agentic & Tool Use

- GPT-4.1 mini: 33.0 (#52)
- Inkling: 29.5 (#76)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| Berkeley Function Calling Leaderboard | 50.5% | — |
| τ²-bench Banking | — | 25% |

## Reasoning

- GPT-4.1 mini: 10.9 (#335)
- Inkling: 40.6 (#48)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| ARC-AGI-2 | 0% | 36.5% |
| ARC-AGI-1 | 3.5% | 79.5% |
| CritPt | 0% | 5.4% |
| Chess Puzzles | 7% | 21% |
| LMArena Hard Prompts | 1349 | 1452 |
| DTBench | 68.8% | 87.5% |
| LMCA | 21.1% | 37.6% |
| Epoch Capabilities Index | 135.01 | 148.6 |
| SimpleBench | — | 50% |
| Kagi LLM Benchmark | 48.6% | — |
| Mystery Game Puzzles | 7% | — |

## Math

- GPT-4.1 mini: 23.1 (#264)
- Inkling: 31.2 (#198)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| FrontierMath (Tiers 1-3) | 6.7% | 33.3% |
| OTIS Mock AIME 2024-2025 | 44.7% | 88.9% |
| LMArena Math | 1343 | 1482 |
| FrontierMath Tier 4 | — | 4.9% |
| ProofBench | — | 0% |
| Omni-MATH | 49.1% | — |
| MATH Level 5 | 87.3% | — |
| FrontierMath (Feb 2025 set) | 4.5% | — |

## Knowledge

- GPT-4.1 mini: 34.7 (#183)
- Inkling: 55.2 (#44)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| GPQA Diamond | 65.8% | 88.3% |
| SimpleQA Verified | 12.7% | 40.3% |
| LMArena Expert | 1338 | 1468 |
| MMLU-Pro | 78.3% | — |
| GPQA (HELM) | 61.4% | — |

## Multimodal

- GPT-4.1 mini: 35.2 (#77)
- Inkling: —

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| LMArena Vision | 1181 | — |

## Multilingual

- GPT-4.1 mini: 45.9 (#161)
- Inkling: 54.2 (#49)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| LMArena Non-English | 1318 | 1434 |
| LMArena Chinese | 1329 | 1495 |
| LMArena French | 1357 | 1453 |
| LMArena German | 1349 | 1456 |
| LMArena Japanese | 1291 | 1428 |
| LMArena Korean | 1298 | 1401 |
| LMArena Russian | 1324 | 1430 |
| LMArena Spanish | 1319 | 1442 |

## Instruction Following

- GPT-4.1 mini: 73.9 (#113)
- Inkling: 75.3 (#65)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| LMArena Instruction Following | 1332 | 1427 |
| IFEval | 90.4% | — |

## Long Context

- GPT-4.1 mini: 31.8 (#270)
- Inkling: 43.9 (#79)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| LMArena Longer Query | 1344 | 1436 |
| Fiction.LiveBench | 44.4% | — |

## Writing & Preference

- GPT-4.1 mini: 48.8 (#193)
- Inkling: 65.5 (#48)

| Benchmark | GPT-4.1 mini | Inkling |
|---|---|---|
| LMArena Text | 1341 | 1443 |
| LMArena Creative Writing | 1300 | 1390 |
| EQ-Bench Creative Writing | 1147 | 1611 |
| LMArena Multi-Turn | 1354 | 1436 |
| WildBench | 83.8% | — |
| EQ-Bench 4 | — | 1226 |

## FAQ

### Is GPT-4.1 mini better than Inkling?

Inkling is the stronger model overall, scoring 44.1 to 33.5 on the Noometry Index. GPT-4.1 mini costs 3.7× less per token, which makes it the better buy when Inkling's lead doesn't matter for your workload.

### Which is cheaper, GPT-4.1 mini or Inkling?

GPT-4.1 mini is cheaper. It lists at $0.40 per million input tokens and $1.60 per million output tokens; Inkling lists at $1.87 and $4.68.

### Is GPT-4.1 mini or Inkling better for coding?

Inkling scores higher on coding benchmarks: 34.1 versus 30.4 in the Noometry coding category.

### Which has the bigger context window?

GPT-4.1 mini does, with 1.05M tokens against 66K.

### How many benchmarks do GPT-4.1 mini and Inkling share?

31 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and Inkling has 41.