# GPT-5 Pro vs Kimi K2 Thinking Turbo

> GPT-5 Pro and Kimi K2 Thinking Turbo score almost the same on the Noometry Index (46.4 vs 45.8), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gpt-5-pro-vs-kimi-k2-thinking-turbo
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GPT-5 Pro leads 38.9 to 32.5.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| Provider | OpenAI | Moonshot AI |
| Noometry Index | 46.4 | 45.8 |
| Rank | 64 | 70 |
| Context | 400K | — |
| Input $/M | $15 | — |
| Output $/M | $120 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5 Pro: 44.0 (#80)
- Kimi K2 Thinking Turbo: 38.4 (#178)

| Benchmark | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena WebDev | — | 1322 |
| WeirdML | 60.4% | — |
| LMArena Coding | — | 1454 |
| AlgoTune | 1.31 | — |

## Reasoning

- GPT-5 Pro: 38.9 (#62)
- Kimi K2 Thinking Turbo: 32.5 (#75)

| Benchmark | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| Chess Puzzles | — | 20% |
| EnigmaEval | 18.8% | — |
| LMArena Hard Prompts | — | 1428 |
| Epoch Capabilities Index | 150.28 | — |

## Math

- GPT-5 Pro: 48.5 (#63)
- Kimi K2 Thinking Turbo: 47.4 (#68)

| Benchmark | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| OTIS Mock AIME 2024-2025 | — | 83.1% |
| LMArena Math | — | 1429 |
| FrontierMath Tier 4 (v1) | 14.6% | — |

## Knowledge

- GPT-5 Pro: 56.7 (#42)
- Kimi K2 Thinking Turbo: 50.9 (#69)

| Benchmark | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| GPQA Diamond | — | 84.2% |
| Humanity's Last Exam | 31.6% | — |
| LMArena Expert | — | 1439 |

## Multilingual

- GPT-5 Pro: —
- Kimi K2 Thinking Turbo: 51.4 (#109)

| Benchmark | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Non-English | — | 1398 |
| LMArena Chinese | — | 1456 |
| LMArena French | — | 1425 |
| LMArena German | — | 1390 |
| LMArena Japanese | — | 1357 |
| LMArena Korean | — | 1330 |
| LMArena Russian | — | 1391 |
| LMArena Spanish | — | 1406 |

## Instruction Following

- GPT-5 Pro: —
- Kimi K2 Thinking Turbo: 74.0 (#109)

| Benchmark | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Instruction Following | — | 1403 |

## Long Context

- GPT-5 Pro: —
- Kimi K2 Thinking Turbo: 43.2 (#102)

| Benchmark | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Longer Query | — | 1415 |

## Writing & Preference

- GPT-5 Pro: —
- Kimi K2 Thinking Turbo: 60.0 (#104)

| Benchmark | GPT-5 Pro | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Text | — | 1415 |
| LMArena Creative Writing | — | 1374 |
| LMArena Multi-Turn | — | 1414 |

## FAQ

### Is GPT-5 Pro better than Kimi K2 Thinking Turbo?

GPT-5 Pro and Kimi K2 Thinking Turbo score almost the same on the Noometry Index (46.4 vs 45.8), so choose on price, context window or the category you care about most.

### Is GPT-5 Pro or Kimi K2 Thinking Turbo better for coding?

GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 38.4 in the Noometry coding category.

### How many benchmarks do GPT-5 Pro and Kimi K2 Thinking Turbo share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Kimi K2 Thinking Turbo has 21.