# Step 2 16k Exp 202412 vs Yi 6B

> Step 2 16k Exp 202412 has enough public results to be ranked (#171); Yi 6B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/step-2-16k-exp-202412-vs-yi-6b
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- Yi 6B has downloadable open weights; the other is API-only.

## Snapshot

| | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| Provider | StepFun | 01.AI |
| Noometry Index | 39.2 | — |
| Rank | 171 | — |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Step 2 16k Exp 202412: 38.5 (#174)
- Yi 6B: —

| Benchmark | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| LMArena Coding | 1316 | — |

## Reasoning

- Step 2 16k Exp 202412: 25.9 (#142)
- Yi 6B: —

| Benchmark | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| LMArena Hard Prompts | 1299 | — |
| BIG-Bench Hard | — | 47.2% |
| Epoch Capabilities Index | — | 104.77 |
| HellaSwag | — | 74.4% |
| WinoGrande | — | 71.3% |

## Math

- Step 2 16k Exp 202412: 36.3 (#169)
- Yi 6B: —

| Benchmark | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| LMArena Math | 1304 | — |
| GSM8K | — | 44.9% |

## Knowledge

- Step 2 16k Exp 202412: 35.2 (#187)
- Yi 6B: —

| Benchmark | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| LMArena Expert | 1279 | — |
| ARC (AI2) Challenge | — | 50.3% |
| MMLU | — | 64% |

## Multilingual

- Step 2 16k Exp 202412: 43.7 (#181)
- Yi 6B: —

| Benchmark | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| LMArena Non-English | 1290 | — |
| LMArena Chinese | 1331 | — |
| LMArena Russian | 1324 | — |

## Instruction Following

- Step 2 16k Exp 202412: 67.9 (#192)
- Yi 6B: —

| Benchmark | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| LMArena Instruction Following | 1287 | — |

## Long Context

- Step 2 16k Exp 202412: 39.7 (#170)
- Yi 6B: —

| Benchmark | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| LMArena Longer Query | 1307 | — |

## Writing & Preference

- Step 2 16k Exp 202412: 52.3 (#173)
- Yi 6B: —

| Benchmark | Step 2 16k Exp 202412 | Yi 6B |
|---|---|---|
| LMArena Text | 1321 | — |
| LMArena Creative Writing | 1328 | — |
| LMArena Multi-Turn | 1292 | — |

## FAQ

### Is Step 2 16k Exp 202412 better than Yi 6B?

Step 2 16k Exp 202412 has enough public results to be ranked (#171); Yi 6B does not yet, so treat this comparison as directional.

### How many benchmarks do Step 2 16k Exp 202412 and Yi 6B share?

0 benchmarks have published results for both models. Step 2 16k Exp 202412 has 12 scored results on Noometry and Yi 6B has 7.