# Gemini 3.6 Flash vs Gemini 3 Deep Think

> Gemini 3.6 Flash has enough public results to be ranked (#30); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/gemini-3-6-flash-vs-gemini-3-deep-think
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Gemini 3.6 Flash scores higher in 0 categories and Gemini 3 Deep Think in 1 category; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3 Deep Think leads 70.8 to 58.9.
- The biggest single-benchmark swing is ARC-AGI-2: 60.4% for Gemini 3.6 Flash and 84.6% for Gemini 3 Deep Think.

## Snapshot

| | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 54.1 | 58.5 |
| Rank | 30 | — |
| Context | 1.05M | — |
| Input $/M | $0.75 | — |
| Output $/M | $3.75 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 3.6 Flash: 49.6 (#45)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| DeepSWE | 46.7% | — |
| FrontierCode | 34.4% | — |
| LMArena WebDev | 1536 | — |
| SciCode | 52.7% | — |
| WeirdML | 56.1% | — |
| LMArena Coding | 1492 | — |
| ALE-Bench | 715.52 | — |

## Agentic & Tool Use

- Gemini 3.6 Flash: 32.4 (#56)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| APEX-Agents | 46.9% | — |
| GDP.pdf | 14% | — |

## Reasoning

- Gemini 3.6 Flash: 58.9 (#20)
- Gemini 3 Deep Think: 70.8 (#11)

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| ARC-AGI-2 | 60.4% | 84.6% |
| ARC-AGI-1 | 91.2% | 96% |
| CritPt | 10.6% | 25.7% |
| NYT Connections (extended) | 89% | — |
| Chess Puzzles | 43% | — |
| LMArena Hard Prompts | 1486 | — |
| Mystery Game Puzzles | 30% | — |
| DTBench | 95.5% | — |
| LMCA | 44.9% | — |
| Epoch Capabilities Index | 154.36 | — |

## Math

- Gemini 3.6 Flash: 57.0 (#33)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| FrontierMath (Tiers 1-3) | 58.9% | — |
| FrontierMath Tier 4 | 22% | — |
| MathArena Final-Answer Competitions | 70.8% | — |
| OTIS Mock AIME 2024-2025 | 94.2% | — |
| ProofBench | 36% | — |
| LMArena Math | 1504 | — |

## Knowledge

- Gemini 3.6 Flash: 67.8 (#7)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| GPQA Diamond | 94.1% | — |
| SimpleQA Verified | 66.2% | — |
| LMArena Expert | 1489 | — |

## Multimodal

- Gemini 3.6 Flash: 38.7 (#55)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| LMArena Vision | 1297 | — |
| Blueprint-Bench 2 | 31.2% | — |
| Furniture Assembly | 23.3% | — |
| LMArena Document | 1456 | — |

## Multilingual

- Gemini 3.6 Flash: 56.8 (#17)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| LMArena Non-English | 1470 | — |
| LMArena Chinese | 1530 | — |
| LMArena French | 1501 | — |
| LMArena German | 1478 | — |
| LMArena Japanese | 1477 | — |
| LMArena Korean | 1435 | — |
| LMArena Russian | 1490 | — |
| LMArena Spanish | 1477 | — |

## Instruction Following

- Gemini 3.6 Flash: 77.2 (#27)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| LMArena Instruction Following | 1467 | — |

## Long Context

- Gemini 3.6 Flash: 45.1 (#47)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| LMArena Longer Query | 1475 | — |

## Writing & Preference

- Gemini 3.6 Flash: 68.3 (#26)
- Gemini 3 Deep Think: —

| Benchmark | Gemini 3.6 Flash | Gemini 3 Deep Think |
|---|---|---|
| LMArena Text | 1478 | — |
| LMArena Creative Writing | 1464 | — |
| EQ-Bench Creative Writing | 1604 | — |
| LMArena Multi-Turn | 1481 | — |

## FAQ

### Is Gemini 3.6 Flash better than Gemini 3 Deep Think?

Gemini 3.6 Flash has enough public results to be ranked (#30); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

### How many benchmarks do Gemini 3.6 Flash and Gemini 3 Deep Think share?

3 benchmarks have published results for both models. Gemini 3.6 Flash has 46 scored results on Noometry and Gemini 3 Deep Think has 3.