# Inkling vs Kimi K2.5 Instant

> Inkling and Kimi K2.5 Instant score almost the same on the Noometry Index (44.1 vs 43.6), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/inkling-vs-kimi-k2-5-instant
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Inkling scores higher in 4 categories and Kimi K2.5 Instant in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Inkling leads 55.1 to 40.2.

## Snapshot

| | Inkling | Kimi K2.5 Instant |
|---|---|---|
| Provider | Thinking Machines Lab | Moonshot AI |
| Noometry Index | 44.1 | 43.6 |
| Rank | 80 | 89 |
| Context | 66K | — |
| Input $/M | $1.87 | — |
| Output $/M | $4.68 | — |
| Weights | Open | Open |

## Coding

- Inkling: 34.5 (#234)
- Kimi K2.5 Instant: 42.6 (#97)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena WebDev | 1413 | 1404 |
| LMArena Coding | 1464 | 1484 |
| FrontierCode | 14% | — |
| FrontierSWE | 4.1% | — |
| SciCode | 47% | — |
| WeirdML | 32.3% | — |
| ALE-Bench | 946 | — |

## Agentic & Tool Use

- Inkling: 29.6 (#85)
- Kimi K2.5 Instant: —

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| APEX-Agents | 33.8% | — |
| τ²-bench Banking | 25% | — |

## Reasoning

- Inkling: 40.4 (#56)
- Kimi K2.5 Instant: 29.7 (#90)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1451 | 1443 |
| 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 | 148.54 | — |

## Math

- Inkling: 31.3 (#225)
- Kimi K2.5 Instant: 39.4 (#105)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1479 | 1442 |
| FrontierMath (Tiers 1-3) | 33.3% | — |
| FrontierMath Tier 4 | 4.9% | — |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 0% | — |

## Knowledge

- Inkling: 55.1 (#49)
- Kimi K2.5 Instant: 40.2 (#123)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1465 | 1440 |
| GPQA Diamond | 88.3% | — |
| SimpleQA Verified | 40.3% | — |

## Multimodal

- Inkling: —
- Kimi K2.5 Instant: 40.2 (#50)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |

## Multilingual

- Inkling: 54.0 (#52)
- Kimi K2.5 Instant: 52.0 (#94)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1434 | 1406 |
| LMArena Chinese | 1490 | 1449 |
| LMArena French | 1458 | 1403 |
| LMArena German | 1446 | 1413 |
| LMArena Korean | 1404 | 1378 |
| LMArena Russian | 1429 | 1404 |
| LMArena Spanish | 1448 | 1447 |
| LMArena Japanese | 1429 | — |

## Instruction Following

- Inkling: 75.1 (#71)
- Kimi K2.5 Instant: 75.3 (#65)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1426 | 1430 |

## Long Context

- Inkling: 43.8 (#86)
- Kimi K2.5 Instant: 43.9 (#83)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1434 | 1435 |

## Writing & Preference

- Inkling: 65.2 (#51)
- Kimi K2.5 Instant: 60.6 (#95)

| Benchmark | Inkling | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1441 | 1420 |
| LMArena Creative Writing | 1387 | 1381 |
| LMArena Multi-Turn | 1436 | 1427 |
| EQ-Bench Creative Writing | 1611 | — |
| EQ-Bench 4 | 1226 | — |

## FAQ

### Is Inkling better than Kimi K2.5 Instant?

Inkling and Kimi K2.5 Instant score almost the same on the Noometry Index (44.1 vs 43.6), so choose on price, context window or the category you care about most.

### Is Inkling or Kimi K2.5 Instant better for coding?

Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 34.5 in the Noometry coding category.

### How many benchmarks do Inkling and Kimi K2.5 Instant share?

17 benchmarks have published results for both models. Inkling has 41 scored results on Noometry and Kimi K2.5 Instant has 18.