# Kimi K2.7 Code vs Solar Pro4

> Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 42.1 on the Noometry Index. Solar Pro4 costs 3.3× less per token, which makes it the better buy when Kimi K2.7 Code's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/kimi-k2-7-code-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Kimi K2.7 Code scores higher in 4 categories and Solar Pro4 in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2.7 Code leads 52.9 to 38.8.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.95 / $4 for Kimi K2.7 Code.
- Solar Pro4 accepts more context: 524K tokens versus 262K.
- Kimi K2.7 Code has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| Provider | Moonshot AI | Upstage |
| Noometry Index | 43.3 | 42.1 |
| Rank | 94 | 121 |
| Context | 262K | 524K |
| Input $/M | $0.95 | $0.30 |
| Output $/M | $4 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Kimi K2.7 Code: 42.9 (#95)
- Solar Pro4: 40.1 (#149)

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1473 | 1371 |
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| SciCode | 47.5% | — |
| WeirdML | 54.1% | — |
| LMArena Coding | — | 1437 |
| ALE-Bench | 886.23 | — |

## Agentic & Tool Use

- Kimi K2.7 Code: 24.0 (#122)
- Solar Pro4: —

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| APEX-Agents | 37.6% | — |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |

## Reasoning

- Kimi K2.7 Code: 39.0 (#61)
- Solar Pro4: 28.5 (#104)

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| SimpleBench | 57.9% | — |
| CritPt | 10% | — |
| Chess Puzzles | 21% | — |
| LMArena Hard Prompts | — | 1399 |
| Surface Evolver Bench | 48.8% | — |
| Epoch Capabilities Index | 149.97 | — |

## Math

- Kimi K2.7 Code: 52.9 (#48)
- Solar Pro4: 38.8 (#128)

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| LMArena Math | — | 1416 |

## Knowledge

- Kimi K2.7 Code: 53.5 (#57)
- Solar Pro4: 39.8 (#129)

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| GPQA Diamond | 87.9% | — |
| SimpleQA Verified | 36.5% | — |
| LMArena Expert | — | 1427 |

## Multilingual

- Kimi K2.7 Code: —
- Solar Pro4: 48.7 (#139)

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| LMArena Non-English | — | 1361 |
| LMArena Chinese | — | 1415 |
| LMArena French | — | 1397 |
| LMArena German | — | 1364 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1382 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1401 |

## Instruction Following

- Kimi K2.7 Code: —
- Solar Pro4: 72.7 (#132)

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1377 |

## Long Context

- Kimi K2.7 Code: —
- Solar Pro4: 42.1 (#130)

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1381 |

## Writing & Preference

- Kimi K2.7 Code: —
- Solar Pro4: 56.5 (#138)

| Benchmark | Kimi K2.7 Code | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1316 |
| LMArena Multi-Turn | — | 1385 |

## FAQ

### Is Kimi K2.7 Code better than Solar Pro4?

Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 42.1 on the Noometry Index. Solar Pro4 costs 3.3× less per token, which makes it the better buy when Kimi K2.7 Code's lead doesn't matter for your workload.

### Which is cheaper, Kimi K2.7 Code or Solar Pro4?

Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Kimi K2.7 Code lists at $0.95 and $4.

### Is Kimi K2.7 Code or Solar Pro4 better for coding?

Kimi K2.7 Code scores higher on coding benchmarks: 42.9 versus 40.1 in the Noometry coding category.

### Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 262K.

### How many benchmarks do Kimi K2.7 Code and Solar Pro4 share?

1 benchmark has published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Solar Pro4 has 18.