# Gemini 3.7 Flash vs Mercury 2.5

> Side-by-side benchmark comparison for Gemini 3.7 Flash and Mercury 2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-7-flash-vs-mercury-2-5
- Last updated: September 8, 2026

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

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Gemini 3.7 Flash and Mercury 2.5.

## Summary

- Gemini 3.7 Flash and Mercury 2.5 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 3.7 Flash | Mercury 2.5 |
|----------|----------|----------|
| Creator | Google | Inception |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 260K |
| Independent public score (not head-to-head) | 68.47 | null |
| Benchmarks Covered | 22 | 5 |
| Pricing (input/output) | $0.75 / $3.75 | $0.04 / $0.15 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3.7 Flash public-lane score: 64.1 (Supported · #12/152)
- Mercury 2.5 public-lane score: 44.5 (Estimated · #91/152)

| Benchmark | Gemini 3.7 Flash | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.8% | Coming soon | Coming soon |
| Terminal-Bench 3.0 | 14.9% | Coming soon | Coming soon |
| AutomationBench | 30.4% | Coming soon | Coming soon |
| OSWorld 2.0 | 47.9% | Coming soon | Coming soon |
| Agents' Last Exam | 26.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 77.5% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 96.0% | Coming soon |
| DeepSearchQA | Coming soon | 34.0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3.7 Flash public-lane score: 62.8 (Supported · #15/151)
- Mercury 2.5 public-lane score: 47.8 (Estimated · #73/151)

| Benchmark | Gemini 3.7 Flash | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 1.1 Main | 43.6% | Coming soon | Coming soon |
| deepSwe | 65.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 85.8% | Coming soon | Coming soon |
| FrontierSWE v2 | 20.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 88.7% | Coming soon | Coming soon |
| SWE-bench (Vals) | 80.8% | Coming soon | Coming soon |
| SciCode | Coming soon | 38% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 3.7 Flash public-lane score: 82.7 (#9/48)
- Mercury 2.5 public-lane score: Coming soon

| Benchmark | Gemini 3.7 Flash | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv w/o tools | 84.5% | Coming soon | Coming soon |
| CharXiv | 88.7% | Coming soon | Coming soon |
| LVBench | 85.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 3.7 Flash public-lane score: 77.2 (Unranked · 3 rankable rows)
- Mercury 2.5 public-lane score: 67.7 (Unranked · 1 rankable row)

| Benchmark | Gemini 3.7 Flash | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 64K-128K | 97% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3.7 Flash public-lane score: 69.9 (Supported · #13/182)
- Mercury 2.5 public-lane score: 48.3 (Estimated · #94/182)

| Benchmark | Gemini 3.7 Flash | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| HLE-Verified | 53.6% | Coming soon | Coming soon |
| LABBench2 | 82.1% | Coming soon | Coming soon |
| BioMysteryBench (human-solvable) | 87.1% | Coming soon | Coming soon |
| BioMysteryBench (human-difficult) | 43.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 93.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 90.1% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 79.0% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 3.7 Flash public-lane score: Coming soon
- Mercury 2.5 public-lane score: 80.1 (#53/121)

| Benchmark | Gemini 3.7 Flash | Mercury 2.5 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 77% | Coming soon |

## FAQ

### Can I compare Gemini 3.7 Flash and Mercury 2.5 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 3.7 Flash vs Mercury 2.5 Preview](/compare/gemini-3-7-flash-vs-mercury-2-5-preview)
- [Mercury 2.5 vs Mercury 2.5 Preview](/compare/mercury-2-5-vs-mercury-2-5-preview)
- [Gemini 3.7 Flash vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gemini-3-7-flash)
- [Mercury 2.5 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mercury-2-5)

## Explore More

- [Gemini 3.7 Flash profile](/models/gemini-3-7-flash)
- [Mercury 2.5 profile](/models/mercury-2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)