# GPT-5.4 nano vs GPT-5.4 Pro

> Side-by-side benchmark comparison for GPT-5.4 nano and GPT-5.4 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-4-nano-vs-gpt-5-4-pro
- Last updated: September 14, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick GPT-5.4 Pro if you want the stronger benchmark profile. GPT-5.4 nano only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GPT-5.4 Pro leads overall 60.15 to 59.64.
- The clearest category separation is in mathematics, where the averages are 43.9 for GPT-5.4 nano and 69 for GPT-5.4 Pro.
- The biggest single benchmark swing is FrontierMath v2 (Tier 4) in Mathematics, with scores of 6.250% and 37.500%.
- GPT-5.4 nano is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GPT-5.4 Pro also has the larger context window at 1.05M.

## Model Snapshot

| Property | GPT-5.4 nano | GPT-5.4 Pro |
|----------|----------|----------|
| Creator | OpenAI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1.05M |
| Overall Score | 59.64 | 60.15 |
| Benchmarks Covered | 18 | 10 |
| Pricing (input/output) | $0.20 / $1.25 | $30.00 / $180.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 34.6 (Supported · #134/153)
- GPT-5.4 Pro public-lane score: 56 (Estimated · #36/153)

| Benchmark | GPT-5.4 nano | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 46.3% | Coming soon | Coming soon |
| OSWorld-Verified | 39% | Coming soon | Coming soon |
| MCP Atlas | 56.1% | Coming soon | Coming soon |
| Toolathlon | 35.5% | Coming soon | Coming soon |
| τ²-bench results | 92.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 41.6% | Coming soon | Coming soon |
| BrowseComp | Coming soon | 89.3% | Coming soon |

### Coding

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 37.1 (Supported · #128/152)
- GPT-5.4 Pro public-lane score: Coming soon

| Benchmark | GPT-5.4 nano | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 26.10% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 84.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 69.8% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 23.8 (#45/48)
- GPT-5.4 Pro public-lane score: Coming soon

| Benchmark | GPT-5.4 nano | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 66.1% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | 69.5% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 73.7 (Unranked · 2 rankable rows)
- GPT-5.4 Pro public-lane score: 70.1 (Unranked · 2 rankable rows)

| Benchmark | GPT-5.4 nano | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 83.3% | Coming soon |

### Knowledge

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 47.5 (Supported · #97/183)
- GPT-5.4 Pro public-lane score: 58.6 (Estimated · #40/183)

| Benchmark | GPT-5.4 nano | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 82.8% | Coming soon | Coming soon |
| HLE | 37.7% | 58.7% | GPT-5.4 Pro |
| HLE w/o tools | 24.3% | 42.7% | GPT-5.4 Pro |
| GPQA Diamond (Vals) | 77.5% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 77.2% | Coming soon | Coming soon |
| FrontierScience | Coming soon | 36.7% | Coming soon |
| FrontierScience Research | Coming soon | 36.7% | Coming soon |

### Instruction Following

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 93.2 (#9/123)
- GPT-5.4 Pro public-lane score: Coming soon

### Mathematics

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 43.9 (Unranked · 2 rankable rows)
- GPT-5.4 Pro public-lane score: 69 (Unranked · 4 rankable rows)

| Benchmark | GPT-5.4 nano | GPT-5.4 Pro | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 25.860% | 50.000% | GPT-5.4 Pro |
| FrontierMath v2 (Tier 4) | 6.250% | 37.500% | GPT-5.4 Pro |
| IPhO 2025 (Theory) | Coming soon | 93.5% | Coming soon |
| FrontierMath (legacy) | Coming soon | 50% | Coming soon |

## FAQ

### Which is better overall, GPT-5.4 nano or GPT-5.4 Pro?

GPT-5.4 Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between GPT-5.4 nano and GPT-5.4 Pro?

The widest category gap is in mathematics, where the averages are 43.9 for GPT-5.4 nano and 69 for GPT-5.4 Pro.

### How many benchmarks does GPT-5.4 nano cover on BenchLM?

GPT-5.4 nano currently has 18 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-5.4 Pro cover on BenchLM?

GPT-5.4 Pro currently has 10 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GPT-5.4 nano vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-nano)
- [GPT-5.4 Pro vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-pro)
- [GPT-5.4 nano vs GPT-5.4 mini](/compare/gpt-5-4-mini-vs-gpt-5-4-nano)
- [GPT-5.4 Pro vs GPT-5.4 mini](/compare/gpt-5-4-mini-vs-gpt-5-4-pro)

## Explore More

- [GPT-5.4 nano profile](/models/gpt-5-4-nano)
- [GPT-5.4 Pro profile](/models/gpt-5-4-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)