# Gemini 3.1 Flash-Lite vs GPT-5 nano

> Side-by-side benchmark comparison for Gemini 3.1 Flash-Lite and GPT-5 nano across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-flash-lite-vs-gpt-5-nano
- Last updated: September 4, 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 3.1 Flash-Lite and GPT-5 nano.

## Summary

- Gemini 3.1 Flash-Lite and GPT-5 nano 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 3.1 Flash-Lite | GPT-5 nano |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 400K |
| Independent public score (not head-to-head) | 56.13 | 39.72 |
| Benchmarks Covered | 8 | 0 |
| Pricing (input/output) | $0.25 / $1.50 | $0.05 / $0.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 43.3 (Estimated · #105/151)
- GPT-5 nano public-lane score: Coming soon

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5 nano | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 38.46% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 34.1% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 38.1 (Estimated · #148/183)
- GPT-5 nano public-lane score: Coming soon

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5 nano | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 0.00% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 80.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 62.8% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 37.5 (Unranked · 1 rankable row)
- GPT-5 nano public-lane score: Coming soon

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5 nano | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 73.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 51.8 (Estimated · #79/181)
- GPT-5 nano public-lane score: Coming soon

| Benchmark | Gemini 3.1 Flash-Lite | GPT-5 nano | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 81.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.2% | Coming soon | Coming soon |

## FAQ

### Can I compare Gemini 3.1 Flash-Lite and GPT-5 nano 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 3.1 Flash-Lite vs GPT-5 (high)](/compare/gemini-3-1-flash-lite-vs-gpt-5-high)
- [GPT-5 nano vs GPT-5 (high)](/compare/gpt-5-high-vs-gpt-5-nano)
- [Gemini 3.1 Flash-Lite vs GPT-5 (medium)](/compare/gemini-3-1-flash-lite-vs-gpt-5-medium)
- [GPT-5 nano vs GPT-5 (medium)](/compare/gpt-5-medium-vs-gpt-5-nano)

## Explore More

- [Gemini 3.1 Flash-Lite profile](/models/gemini-3-1-flash-lite)
- [GPT-5 nano profile](/models/gpt-5-nano)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)