# Composer 2.5 vs Gemini 3.5 Flash-Lite

> Side-by-side benchmark comparison for Composer 2.5 and Gemini 3.5 Flash-Lite across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/composer-2-5-vs-gemini-3-5-flash-lite
- Last updated: September 4, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Composer 2.5 and Gemini 3.5 Flash-Lite share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Gemini 3.5 Flash-Lite has the larger published context window at 1M.

## Model Snapshot

| Property | Composer 2.5 | Gemini 3.5 Flash-Lite |
|----------|----------|----------|
| Creator | Cursor | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 1M |
| Independent public score (not head-to-head) | null | 60.5 |
| Benchmarks Covered | 5 | 10 |
| Pricing (input/output) | $0.50 / $2.50 | $0.30 / $2.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: 52 (Estimated · #52/151)
- Gemini 3.5 Flash-Lite public-lane score: 43.4 (Estimated · #104/151)

| Benchmark | Composer 2.5 | Gemini 3.5 Flash-Lite | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.3% | 54% | Composer 2.5 |
| OSWorld-Verified | Coming soon | 74% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 50.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: 51.6 (Supported · #63/183)
- Gemini 3.5 Flash-Lite public-lane score: 43.6 (Supported · #121/183)

| Benchmark | Composer 2.5 | Gemini 3.5 Flash-Lite | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.3% | 54.0% | Composer 2.5 |
| SWE Multilingual | 79.8% | Coming soon | Coming soon |
| cursorBench31 | 63.2% | Coming soon | Coming soon |
| cursorBench32 | 56.1% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 54.2% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 79.0% | Coming soon |
| SWE-bench (Vals) | Coming soon | 75.0% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 76.1 (#16/48)

### Reasoning

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 60.8 (Unranked · 3 rankable rows)

| Benchmark | Composer 2.5 | Gemini 3.5 Flash-Lite | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 72.2% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 53 (Supported · #71/181)

| Benchmark | Composer 2.5 | Gemini 3.5 Flash-Lite | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | Coming soon | 83.8% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 85.8% | Coming soon |

## FAQ

### Is there enough evidence to pick between Composer 2.5 and Gemini 3.5 Flash-Lite?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Composer 2.5 vs Composer 2](/compare/composer-2-vs-composer-2-5)
- [Gemini 3.5 Flash-Lite vs Composer 2](/compare/composer-2-vs-gemini-3-5-flash-lite)
- [Composer 2.5 vs Composer 2 Fast](/compare/composer-2-5-vs-composer-2-fast)
- [Gemini 3.5 Flash-Lite vs Composer 2 Fast](/compare/composer-2-fast-vs-gemini-3-5-flash-lite)

## Explore More

- [Composer 2.5 profile](/models/composer-2-5)
- [Gemini 3.5 Flash-Lite profile](/models/gemini-3-5-flash-lite)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)