# Gemini 3 Flash vs Gemini Decision 1

> Side-by-side benchmark comparison for Gemini 3 Flash and Gemini Decision 1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-flash-vs-gemini-decision-1
- Last updated: November 11, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Gemini 3 Flash and Gemini Decision 1.

## Summary

- Gemini 3 Flash and Gemini Decision 1 do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Gemini 3 Flash | Gemini Decision 1 |
|----------|----------|----------|
| Creator | Google | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Unspecified |
| Context | 1M | 262K |
| Independent public score (not head-to-head) | 53.95 | null |
| Benchmarks Covered | 12 | 0 |
| Pricing (input/output) | $0.50 / $3.00 | $0.10 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3 Flash public-lane score: 34.3 (Supported · #91/132)
- Gemini Decision 1 public-lane score: Coming soon

| Benchmark | Gemini 3 Flash | Gemini Decision 1 | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 49.2% | Coming soon | Coming soon |
| Gert Labs | 56.63% | Coming soon | Coming soon |
| JobBench | 11.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 53.9% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3 Flash public-lane score: 32.9 (Supported · #99/158)
- Gemini Decision 1 public-lane score: Coming soon

| Benchmark | Gemini 3 Flash | Gemini Decision 1 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 20.20% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.6% | Coming soon | Coming soon |
| SWE-bench (Vals) | 75.0% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 3 Flash public-lane score: 45.6 (Estimated · #65/158)
- Gemini Decision 1 public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 3 Flash public-lane score: 63.8 (Supported · #30/67)
- Gemini Decision 1 public-lane score: Coming soon

| Benchmark | Gemini 3 Flash | Gemini Decision 1 | Winner |
|-----------|-----------|-----------|--------|
| ParseBench | 74.07% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3 Flash public-lane score: 56.6 (Supported · #56/179)
- Gemini Decision 1 public-lane score: Coming soon

| Benchmark | Gemini 3 Flash | Gemini Decision 1 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 87.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 88.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 3 Flash public-lane score: 66.1 (#82/157)
- Gemini Decision 1 public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 3 Flash public-lane score: 53.3 (Unranked · 2 rankable rows)
- Gemini Decision 1 public-lane score: Coming soon

| Benchmark | Gemini 3 Flash | Gemini Decision 1 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 51.228% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 17.073% | Coming soon | Coming soon |

## FAQ

### Can I compare Gemini 3 Flash and Gemini Decision 1 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Gemini 3 Flash vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-gemini-3-flash)
- [Gemini Decision 1 vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-gemini-decision-1)
- [Gemini 3 Flash vs Gemini 4 Carbon](/compare/gemini-3-flash-vs-gemini-4-carbon)
- [Gemini Decision 1 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-gemini-decision-1)

## Explore More

- [Gemini 3 Flash profile](/models/gemini-3-flash)
- [Gemini Decision 1 profile](/models/gemini-decision-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)