# Gemini 3.5 Flash Lite vs Sonar

> Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 38.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-3-5-flash-lite-vs-sonar
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in writing & preference, where Gemini 3.5 Flash Lite leads 64.2 to 52.6.
- Gemini 3.5 Flash Lite is cheaper at $0.30 / $2.50 per million input/output tokens, against $1 / $1 for Sonar.
- Gemini 3.5 Flash Lite accepts more context: 1.05M tokens versus 128K.

## Snapshot

| | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| Provider | Google | Perplexity |
| Noometry Index | 41.5 | 38.5 |
| Rank | 133 | 187 |
| Context | 1.05M | 128K |
| Input $/M | $0.30 | $1 |
| Output $/M | $2.50 | $1 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 3.5 Flash Lite: 42.4 (#104)
- Sonar: 35.7 (#221)

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| LMArena WebDev | 1440 | — |
| SciCode | 41.3% | — |
| WeirdML | 39% | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1453 | — |
| ALE-Bench | 765.27 | — |

## Agentic & Tool Use

- Gemini 3.5 Flash Lite: 25.7 (#107)
- Sonar: —

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| APEX-Agents | 29.3% | — |
| GDP.pdf | 10% | — |

## Reasoning

- Gemini 3.5 Flash Lite: 27.8 (#114)
- Sonar: 21.1 (#227)

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| ARC-AGI-2 | 10.3% | — |
| NYT Connections (extended) | 60.4% | — |
| ARC-AGI-1 | 53.5% | — |
| CritPt | 0% | — |
| Chess Puzzles | 22% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1441 | — |
| Mystery Game Puzzles | 19% | — |
| DTBench | 83.5% | — |
| LiveBench Data Analysis | — | 37.9% |
| LMCA | 37.6% | — |
| Epoch Capabilities Index | 145.13 | — |
| LiveBench | — | 46.9% |

## Math

- Gemini 3.5 Flash Lite: 25.9 (#264)
- Sonar: 33.7 (#200)

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| FrontierMath (Tiers 1-3) | 26% | — |
| FrontierMath Tier 4 | 0% | — |
| OTIS Mock AIME 2024-2025 | 71.1% | — |
| ProofBench | 13% | — |
| LiveBench Math | — | 41.6% |
| LMArena Math | 1433 | — |

## Knowledge

- Gemini 3.5 Flash Lite: 50.1 (#72)
- Sonar: —

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| GPQA Diamond | 83.3% | — |
| LMArena Expert | 1435 | — |

## Multimodal

- Gemini 3.5 Flash Lite: 41.1 (#40)
- Sonar: —

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| LMArena Vision | 1268 | — |

## Multilingual

- Gemini 3.5 Flash Lite: 53.5 (#63)
- Sonar: —

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| LMArena Non-English | 1427 | — |
| LMArena Chinese | 1469 | — |
| LMArena French | 1451 | — |
| LMArena German | 1454 | — |
| LMArena Japanese | 1427 | — |
| LMArena Korean | 1407 | — |
| LMArena Russian | 1443 | — |
| LMArena Spanish | 1442 | — |

## Instruction Following

- Gemini 3.5 Flash Lite: 74.8 (#85)
- Sonar: 71.4 (#150)

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1420 | — |

## Long Context

- Gemini 3.5 Flash Lite: 43.9 (#84)
- Sonar: —

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| LMArena Longer Query | 1435 | — |

## Writing & Preference

- Gemini 3.5 Flash Lite: 64.2 (#57)
- Sonar: 52.6 (#167)

| Benchmark | Gemini 3.5 Flash Lite | Sonar |
|---|---|---|
| LMArena Text | 1435 | — |
| LMArena Creative Writing | 1420 | — |
| EQ-Bench Creative Writing | 1559 | — |
| LMArena Multi-Turn | 1445 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is Gemini 3.5 Flash Lite better than Sonar?

Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 38.5 on the Noometry Index.

### Which is cheaper, Gemini 3.5 Flash Lite or Sonar?

Gemini 3.5 Flash Lite is cheaper. It lists at $0.30 per million input tokens and $2.50 per million output tokens; Sonar lists at $1 and $1.

### Is Gemini 3.5 Flash Lite or Sonar better for coding?

Gemini 3.5 Flash Lite scores higher on coding benchmarks: 42.4 versus 35.7 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.5 Flash Lite does, with 1.05M tokens against 128K.

### How many benchmarks do Gemini 3.5 Flash Lite and Sonar share?

0 benchmarks have published results for both models. Gemini 3.5 Flash Lite has 39 scored results on Noometry and Sonar has 7.