# Gemini 3 Flash vs Gemini 3 Pro

> Side-by-side benchmark comparison for Gemini 3 Flash and Gemini 3 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-flash-vs-gemini-3-pro
- Last updated: September 18, 2026

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

## Quick Verdict

Pick Gemini 3 Pro if you want the stronger benchmark profile. Gemini 3 Flash only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Gemini 3 Pro leads overall 66.36 to 61.94.
- The clearest category separation is in agentic, where the averages are 33.9 for Gemini 3 Flash and 59.3 for Gemini 3 Pro.
- The biggest single benchmark swing is FrontierMath v2 (Tier 4) in Mathematics, with scores of 4.167% and 18.750%.
- Gemini 3 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3 Pro also has the larger context window at 2M.

## Model Snapshot

| Property | Gemini 3 Flash | Gemini 3 Pro |
|----------|----------|----------|
| Creator | Google | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 1M | 2M |
| Overall Score | 61.94 | 66.36 |
| Benchmarks Covered | 11 | 12 |
| Pricing (input/output) | $0.50 / $3.00 | $2.00 / $12.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 33.9 (Supported · #138/154)
- Gemini 3 Pro public-lane score: 59.3 (Estimated · #26/154)

| Benchmark | Gemini 3 Flash | Gemini 3 Pro | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 49.2% | Coming soon | Coming soon |
| Gert Labs | 56.63% | 63.23% | Gemini 3 Pro |
| JobBench | 11.4% | 11.4% | Tie |
| Terminal-Bench 2.1 (Vals) | 53.9% | Coming soon | Coming soon |

### Coding

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 41.3 (Supported · #110/154)
- Gemini 3 Pro public-lane score: 59.8 (Estimated · #22/154)

| Benchmark | Gemini 3 Flash | Gemini 3 Pro | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 20.20% | 14.30% | Gemini 3 Flash |
| LiveCodeBench (Vals) | 85.6% | Coming soon | Coming soon |
| SWE-bench (Vals) | 75.0% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 75.8 (Unranked · 1 rankable row)
- Gemini 3 Pro public-lane score: 74.2 (#17/48)

| Benchmark | Gemini 3 Flash | Gemini 3 Pro | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 81% | Coming soon |
| MathVision | Coming soon | 86.6% | Coming soon |
| VideoMMMU | Coming soon | 87.6% | Coming soon |
| ScreenSpot Pro | Coming soon | 72.7% | Coming soon |
| CharXiv | Coming soon | 81.4% | Coming soon |
| V* | Coming soon | 88.0% | Coming soon |

### Reasoning

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 59 (Unranked · 2 rankable rows)
- Gemini 3 Pro public-lane score: 36.7 (Unranked · 3 rankable rows)

| Benchmark | Gemini 3 Flash | Gemini 3 Pro | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 31.1% | Coming soon |

### Knowledge

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 56.8 (Supported · #46/184)
- Gemini 3 Pro public-lane score: 64.6 (Estimated · #26/184)

| Benchmark | Gemini 3 Flash | Gemini 3 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 87.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 88.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 64.7 (#70/124)
- Gemini 3 Pro public-lane score: 84.7 (#39/124)

### Mathematics

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 50 (Unranked · 2 rankable rows)
- Gemini 3 Pro public-lane score: 55.2 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3 Flash | Gemini 3 Pro | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 35.640% | 37.600% | Gemini 3 Pro |
| FrontierMath v2 (Tier 4) | 4.167% | 18.750% | Gemini 3 Pro |

## FAQ

### Which is better overall, Gemini 3 Flash or Gemini 3 Pro?

Gemini 3 Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3 Flash and Gemini 3 Pro?

The widest category gap is in agentic, where the averages are 33.9 for Gemini 3 Flash and 59.3 for Gemini 3 Pro.

### How many benchmarks does Gemini 3 Flash cover on BenchLM?

Gemini 3 Flash currently has 11 sourced benchmark scores on BenchLM.

### How many benchmarks does Gemini 3 Pro cover on BenchLM?

Gemini 3 Pro currently has 12 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3 Flash vs Gemini 3 Pro Deep Think](/compare/gemini-3-flash-vs-gemini-3-pro-deep-think)
- [Gemini 3 Pro vs Gemini 3 Pro Deep Think](/compare/gemini-3-pro-vs-gemini-3-pro-deep-think)
- [Gemini 3 Flash vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gemini-3-flash)
- [Gemini 3 Pro vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gemini-3-pro)

## Explore More

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