# Gemini 3.5 Flash vs Beam

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

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

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Gemini 3.5 Flash if you want the stronger benchmark profile. Beam 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 leads overall 62.44 to 0.
- The biggest single benchmark swing is SWE-bench Pro in Coding, with scores of 55.1% and 65.5%.
- Beam is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.5 Flash also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 3.5 Flash | Beam |
|----------|----------|----------|
| Creator | Google | Reflection AI |
| Type | Proprietary | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | null |
| Overall Score | 62.44 | null |
| Benchmarks Covered | 28 | 16 |
| Pricing (input/output) | $1.50 / $9.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 50.4 (Supported · #41/119)
- Beam public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 76.2% | 80.1% | Beam |
| MCP Atlas | 83.6% | 78.7% | Gemini 3.5 Flash |
| Toolathlon | 56.5% | Coming soon | Coming soon |
| OSWorld-Verified | 78.4% | Coming soon | Coming soon |
| Finance Agent v2 | 57.9% | Coming soon | Coming soon |
| Gert Labs | 61.85% | Coming soon | Coming soon |
| ResearchClawBench | 18.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.2% | Coming soon | Coming soon |
| BrowseComp | Coming soon | 77.4% | Coming soon |
| DeepSearchQA | Coming soon | 80.1% | Coming soon |

### Coding

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 51.5 (Supported · #38/144)
- Beam public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 76.2% | 80.1% | Beam |
| SWE-bench Pro | 55.1% | 65.5% | Beam |
| Vibe Code Bench | 48.68% | Coming soon | Coming soon |
| cursorBench31 | 49.8% | Coming soon | Coming soon |
| CursorBench 3.2 | 48.8% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.6% | Coming soon | Coming soon |
| SWE-bench (Vals) | 78.8% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 44.4% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 34.6% | Coming soon |
| SWE Multilingual | Coming soon | 78% | Coming soon |
| SWE-bench Verified | Coming soon | 80.9% | Coming soon |
| SciCode | Coming soon | 49.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 62.8 (#20/27)
- Beam public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Beam | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 77.3% | Coming soon | Coming soon |
| MRCR 1M | 26.6% | Coming soon | Coming soon |
| ARC-AGI-2 | 72.1% | Coming soon | Coming soon |
| ARC-AGI-1 | 92.50% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 65.5% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 87.8 (#6/49)
- Beam public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Beam | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 84.2% | Coming soon | Coming soon |
| MMMU-Pro | 83.6% | Coming soon | Coming soon |
| Blueprint-Bench 2 | 33.6% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 63.9 (Supported · #32/171)
- Beam public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Beam | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 92.7% | 90.5% | Gemini 3.5 Flash |
| HLE | 40.2% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 92.7% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.5% | Coming soon | Coming soon |
| HLE w/o tools | Coming soon | 36.2% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 84.1 (#43/125)
- Beam public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Beam | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 79.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- Gemini 3.5 Flash public-lane score: 55.1 (Unranked · 2 rankable rows)
- Beam public-lane score: Coming soon

| Benchmark | Gemini 3.5 Flash | Beam | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 38.966% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 14.583% | Coming soon | Coming soon |
| AIME26 | Coming soon | 97.8% | Coming soon |

## FAQ

### Which is better overall, Gemini 3.5 Flash or Beam?

Gemini 3.5 Flash is ahead overall on BenchLM right now.

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

Gemini 3.5 Flash currently has 28 sourced benchmark scores on BenchLM.

### How many benchmarks does Beam cover on BenchLM?

Beam currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.5 Flash vs Gemini 3.5 Flash Cyber](/compare/gemini-3-5-flash-vs-gemini-3-5-flash-cyber)
- [Beam vs Gemini 3.5 Flash Cyber](/compare/gemini-3-5-flash-cyber-vs-reflection-beam)
- [Gemini 3.5 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-5-flash)
- [Beam vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-reflection-beam)

## Explore More

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