# Gemini 3.5 Flash-Lite vs Grok 4.3

> Side-by-side benchmark comparison for Gemini 3.5 Flash-Lite and Grok 4.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-5-flash-lite-vs-grok-4-3
- Last updated: September 4, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Gemini 3.5 Flash-Lite if you want the stronger benchmark profile. Grok 4.3 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Gemini 3.5 Flash-Lite leads overall 60.5 to 60.38.
- The clearest category separation is in agentic, where the averages are 43.4 for Gemini 3.5 Flash-Lite and 25 for Grok 4.3.
- The biggest single benchmark swing is Terminal-Bench 2.1 (Vals) in Agentic, with scores of 50.2% and 41.9%.

## Model Snapshot

| Property | Gemini 3.5 Flash-Lite | Grok 4.3 |
|----------|----------|----------|
| Creator | Google | xAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 60.5 | 60.38 |
| Benchmarks Covered | 10 | 7 |
| Pricing (input/output) | $0.30 / $2.50 | $1.25 / $2.50 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 43.4 (Estimated · #104/151)
- Grok 4.3 public-lane score: 25 (Supported · #147/151)

| Benchmark | Gemini 3.5 Flash-Lite | Grok 4.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 54% | Coming soon | Coming soon |
| OSWorld-Verified | 74% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 50.2% | 41.9% | Gemini 3.5 Flash-Lite |
| Gert Labs | Coming soon | 43.86% | Coming soon |
| ResearchClawBench | Coming soon | 12.4% | Coming soon |

### Coding

- Winner: Gemini 3.5 Flash-Lite
- Gemini 3.5 Flash-Lite public-lane score: 43.6 (Supported · #121/183)
- Grok 4.3 public-lane score: 33.7 (Supported · #159/183)

| Benchmark | Gemini 3.5 Flash-Lite | Grok 4.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 54.0% | Coming soon | Coming soon |
| SWE-bench Pro | 54.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 79.0% | 84.5% | Grok 4.3 |
| SWE-bench (Vals) | 75.0% | 71.4% | Gemini 3.5 Flash-Lite |

### Multimodal & Grounded

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 76.1 (#16/48)
- Grok 4.3 public-lane score: 64.9 (#25/48)

### Reasoning

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 60.8 (Unranked · 3 rankable rows)
- Grok 4.3 public-lane score: 67.2 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.5 Flash-Lite | Grok 4.3 | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 72.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Grok 4.3
- Gemini 3.5 Flash-Lite public-lane score: 53 (Supported · #71/181)
- Grok 4.3 public-lane score: 57.3 (Supported · #49/181)

| Benchmark | Gemini 3.5 Flash-Lite | Grok 4.3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 83.8% | 91.4% | Grok 4.3 |
| MMLU-Pro (Vals) | 85.8% | 85.8% | Tie |

### Instruction Following

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: Coming soon
- Grok 4.3 public-lane score: 94.4 (#2/120)

## FAQ

### Which is better overall, Gemini 3.5 Flash-Lite or Grok 4.3?

Gemini 3.5 Flash-Lite is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3.5 Flash-Lite and Grok 4.3?

The widest category gap is in agentic, where the averages are 43.4 for Gemini 3.5 Flash-Lite and 25 for Grok 4.3.

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

Gemini 3.5 Flash-Lite currently has 10 sourced benchmark scores on BenchLM.

### How many benchmarks does Grok 4.3 cover on BenchLM?

Grok 4.3 currently has 7 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.5 Flash-Lite vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gemini-3-5-flash-lite)
- [Grok 4.3 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-grok-4-3)
- [Gemini 3.5 Flash-Lite vs GPT-6 Astra](/compare/gemini-3-5-flash-lite-vs-gpt-6-astra)
- [Grok 4.3 vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4-3)

## Explore More

- [Gemini 3.5 Flash-Lite profile](/models/gemini-3-5-flash-lite)
- [Grok 4.3 profile](/models/grok-4-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)