# Gemini 3.5 Flash-Lite vs Gemini 3.8 Flash

> Side-by-side benchmark comparison for Gemini 3.5 Flash-Lite and Gemini 3.8 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-5-flash-lite-vs-gemini-3-8-flash
- Last updated: October 17, 2026

- Shared sourced benchmarks: 9
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Gemini 3.8 Flash if you want the stronger benchmark profile. Gemini 3.5 Flash-Lite only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Gemini 3.8 Flash leads overall 69.25 to 49.62.
- The clearest category separation is in mathematics, where the averages are 37.8 for Gemini 3.5 Flash-Lite and 69.7 for Gemini 3.8 Flash.
- The biggest single benchmark swing is FrontierMath v2 (Tiers 1-3) in Mathematics, with scores of 25.965% and 68.421%.
- Gemini 3.5 Flash-Lite is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Gemini 3.5 Flash-Lite | Gemini 3.8 Flash |
|----------|----------|----------|
| Creator | Google | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 49.62 | 69.25 |
| Benchmarks Covered | 12 | 31 |
| Pricing (input/output) | $0.30 / $2.50 | $0.75 / $3.75 |

## Category Breakdown

### Agentic

- Winner: Gemini 3.8 Flash
- Gemini 3.5 Flash-Lite public-lane score: 35.6 (Supported · #79/128)
- Gemini 3.8 Flash public-lane score: 65.9 (Supported · #16/128)

| Benchmark | Gemini 3.5 Flash-Lite | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 54.0% | 89.4% | Gemini 3.8 Flash |
| OSWorld-Verified | 74% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 50.2% | 81.3% | Gemini 3.8 Flash |
| Finance Agent v2 | Coming soon | 61.4% | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 19.10% | Coming soon |
| OSWorld 2.0 | Coming soon | 59.0% | Coming soon |
| ApprenticeBench | Coming soon | 24% | Coming soon |
| Hermes Index | Coming soon | 38.1% | Coming soon |
| Hermes Bench | Coming soon | 62.2% | Coming soon |
| MazeBench | Coming soon | 4% | Coming soon |

### Coding

- Winner: Gemini 3.8 Flash
- Gemini 3.5 Flash-Lite public-lane score: 35.8 (Supported · #76/150)
- Gemini 3.8 Flash public-lane score: 61 (Supported · #17/150)

| Benchmark | Gemini 3.5 Flash-Lite | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 54.0% | 89.4% | Gemini 3.8 Flash |
| SWE-bench Pro | 54.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 79.0% | 89.5% | Gemini 3.8 Flash |
| SWE-bench (Vals) | 75.0% | 80.0% | Gemini 3.8 Flash |
| DeepSWE | Coming soon | 73.8% | Coming soon |
| CursorBench 3.2 | Coming soon | 69.2% | Coming soon |
| FrontierSWE v2 | Coming soon | 19.6% | Coming soon |
| CursorBench 4.0 | Coming soon | 39.6% | Coming soon |
| Bug Hunt Bench | Coming soon | 18.0 fixes | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.5 Flash-Lite public-lane score: 71.8 (Unranked · 3 rankable rows)
- Gemini 3.8 Flash public-lane score: 74.3 (#17/28)

| Benchmark | Gemini 3.5 Flash-Lite | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 72.2% | Coming soon | Coming soon |
| ARC-AGI-1 | Coming soon | 98.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 89.2% | Coming soon |
| ARC-AGI-3 | Coming soon | 10.4% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 3.5 Flash-Lite public-lane score: 80.9 (Unranked · 1 rankable row)
- Gemini 3.8 Flash public-lane score: 87.3 (#9/54)

| Benchmark | Gemini 3.5 Flash-Lite | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| CharXiv w/o tools | Coming soon | 86.2% | Coming soon |
| LVBench | Coming soon | 87.1% | Coming soon |

### Knowledge

- Winner: Gemini 3.8 Flash
- Gemini 3.5 Flash-Lite public-lane score: 49.2 (Supported · #84/184)
- Gemini 3.8 Flash public-lane score: 73.5 (Supported · #13/184)

| Benchmark | Gemini 3.5 Flash-Lite | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 83.8% | 94.4% | Gemini 3.8 Flash |
| MMLU-Pro (Vals) | 85.8% | 90.2% | Gemini 3.8 Flash |
| HLE-Verified | Coming soon | 54.9% | Coming soon |
| LABBench2 | Coming soon | 86.2% | Coming soon |
| BioMysteryBench (human-solvable) | Coming soon | 88.8% | Coming soon |
| BioMysteryBench (human-difficult) | Coming soon | 56.5% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Gemini 3.5 Flash-Lite public-lane score: Coming soon
- Gemini 3.8 Flash public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash-Lite | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 5.5% | Coming soon |

### Mathematics

- Winner: Not comparable
- Gemini 3.5 Flash-Lite public-lane score: 37.8 (Unranked · 2 rankable rows)
- Gemini 3.8 Flash public-lane score: 69.7 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.5 Flash-Lite | Gemini 3.8 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 25.965% | 68.421% | Gemini 3.8 Flash |
| FrontierMath v2 (Tier 4) | 0.000% | 21.951% | Gemini 3.8 Flash |

## FAQ

### Which is better overall, Gemini 3.5 Flash-Lite or Gemini 3.8 Flash?

Gemini 3.8 Flash is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3.5 Flash-Lite and Gemini 3.8 Flash?

The widest category gap is in mathematics, where the averages are 37.8 for Gemini 3.5 Flash-Lite and 69.7 for Gemini 3.8 Flash.

### How many benchmarks does Gemini 3.5 Flash-Lite cover on BenchLM?

Gemini 3.5 Flash-Lite currently has 12 sourced benchmark scores on BenchLM.

### How many benchmarks does Gemini 3.8 Flash cover on BenchLM?

Gemini 3.8 Flash currently has 31 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.5 Flash-Lite vs Gemini 3.8 Flash Cyber](/compare/gemini-3-5-flash-lite-vs-gemini-3-8-flash-cyber)
- [Gemini 3.8 Flash vs Gemini 3.8 Flash Cyber](/compare/gemini-3-8-flash-vs-gemini-3-8-flash-cyber)
- [Gemini 3.5 Flash-Lite vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-5-flash-lite)
- [Gemini 3.8 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-8-flash)

## Explore More

- [Gemini 3.5 Flash-Lite profile](/models/gemini-3-5-flash-lite)
- [Gemini 3.8 Flash profile](/models/gemini-3-8-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)