# Sonar vs Step 2 16k Exp 202412

> Sonar and Step 2 16k Exp 202412 score almost the same on the Noometry Index (37.8 vs 38.6), so choose on price, context window or the category you care about most.

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

## Summary

- The widest gap is in reasoning, where Step 2 16k Exp 202412 leads 24.8 to 20.3.

## Snapshot

| | Sonar | Step 2 16k Exp 202412 |
|---|---|---|
| Provider | Perplexity | StepFun |
| Noometry Index | 37.8 | 38.6 |
| Rank | 184 | 173 |
| Context | 128K | — |
| Input $/M | $1 | — |
| Output $/M | $1 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Sonar: 35.1 (#217)
- Step 2 16k Exp 202412: 37.9 (#170)

| Benchmark | Sonar | Step 2 16k Exp 202412 |
|---|---|---|
| LiveBench Coding | 35.1% | — |
| LMArena Coding | — | 1316 |

## Reasoning

- Sonar: 20.3 (#221)
- Step 2 16k Exp 202412: 24.8 (#140)

| Benchmark | Sonar | Step 2 16k Exp 202412 |
|---|---|---|
| LiveBench Reasoning | 46.3% | — |
| LMArena Hard Prompts | — | 1299 |
| LiveBench Data Analysis | 37.9% | — |
| LiveBench | 46.9% | — |

## Math

- Sonar: 31.3 (#197)
- Step 2 16k Exp 202412: 33.6 (#171)

| Benchmark | Sonar | Step 2 16k Exp 202412 |
|---|---|---|
| LiveBench Math | 41.6% | — |
| LMArena Math | — | 1305 |

## Knowledge

- Sonar: —
- Step 2 16k Exp 202412: 34.6 (#187)

| Benchmark | Sonar | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | — | 1279 |

## Multilingual

- Sonar: —
- Step 2 16k Exp 202412: 43.9 (#176)

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

## Instruction Following

- Sonar: 71.5 (#146)
- Step 2 16k Exp 202412: 68.1 (#187)

| Benchmark | Sonar | Step 2 16k Exp 202412 |
|---|---|---|
| LiveBench Instruction Following | 76.2% | — |
| LMArena Instruction Following | — | 1287 |

## Long Context

- Sonar: —
- Step 2 16k Exp 202412: 39.7 (#165)

| Benchmark | Sonar | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | — | 1307 |

## Writing & Preference

- Sonar: 52.6 (#166)
- Step 2 16k Exp 202412: 52.5 (#168)

| Benchmark | Sonar | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | — | 1321 |
| LMArena Creative Writing | — | 1328 |
| LMArena Multi-Turn | — | 1292 |
| LiveBench Language | 44.1% | — |

## FAQ

### Is Sonar better than Step 2 16k Exp 202412?

Sonar and Step 2 16k Exp 202412 score almost the same on the Noometry Index (37.8 vs 38.6), so choose on price, context window or the category you care about most.

### Is Sonar or Step 2 16k Exp 202412 better for coding?

Step 2 16k Exp 202412 scores higher on coding benchmarks: 37.9 versus 35.1 in the Noometry coding category.

### How many benchmarks do Sonar and Step 2 16k Exp 202412 share?

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