# Gemini 2.5 Pro vs GPT-5 nano

> Side-by-side benchmark comparison for Gemini 2.5 Pro and GPT-5 nano across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-2-5-pro-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 2.5 Pro and GPT-5 nano.

## Summary

- Gemini 2.5 Pro 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 2.5 Pro | GPT-5 nano |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 400K |
| Independent public score (not head-to-head) | 57.98 | 39.72 |
| Benchmarks Covered | 7 | 0 |
| Pricing (input/output) | $1.25 / $10.00 | $0.05 / $0.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 49.3 (Estimated · #70/151)
- GPT-5 nano public-lane score: Coming soon

| Benchmark | Gemini 2.5 Pro | GPT-5 nano | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 42.01% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 32 (Supported · #165/183)
- GPT-5 nano public-lane score: Coming soon

| Benchmark | Gemini 2.5 Pro | GPT-5 nano | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 63.8% | Coming soon | Coming soon |
| Vibe Code Bench | 0.40% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 70.3 (Unranked · 1 rankable row)
- GPT-5 nano public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 68.5 (Unranked · 2 rankable rows)
- GPT-5 nano public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 51.1 (Supported · #84/181)
- GPT-5 nano public-lane score: Coming soon

| Benchmark | Gemini 2.5 Pro | GPT-5 nano | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 83% | Coming soon | Coming soon |
| HLE | 18.8% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 57.7 (#72/120)
- GPT-5 nano public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 35.2 (Unranked · 2 rankable rows)
- GPT-5 nano public-lane score: Coming soon

| Benchmark | Gemini 2.5 Pro | GPT-5 nano | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 14.138% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.167% | Coming soon | Coming soon |

## FAQ

### Can I compare Gemini 2.5 Pro 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 2.5 Pro vs GPT-5 (high)](/compare/gemini-2-5-pro-vs-gpt-5-high)
- [GPT-5 nano vs GPT-5 (high)](/compare/gpt-5-high-vs-gpt-5-nano)
- [Gemini 2.5 Pro vs GPT-5 (medium)](/compare/gemini-2-5-pro-vs-gpt-5-medium)
- [GPT-5 nano vs GPT-5 (medium)](/compare/gpt-5-medium-vs-gpt-5-nano)

## Explore More

- [Gemini 2.5 Pro profile](/models/gemini-2-5-pro)
- [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)