# GPT-5.2 vs GPT-5.4 nano

> Side-by-side benchmark comparison for GPT-5.2 and GPT-5.4 nano across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-2-vs-gpt-5-4-nano
- Last updated: September 10, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick GPT-5.2 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-5.2 leads overall 64.88 to 59.57.
- The clearest category separation is in multimodal & grounded, where the averages are 66.3 for GPT-5.2 and 23.8 for GPT-5.4 nano.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 53.50% and 26.10%.
- GPT-5.4 nano is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | GPT-5.2 | GPT-5.4 nano |
|----------|----------|----------|
| Creator | OpenAI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 400K |
| Overall Score | 64.88 | 59.57 |
| Benchmarks Covered | 15 | 18 |
| Pricing (input/output) | $1.75 / $14.00 | $0.20 / $1.25 |

## Category Breakdown

### Agentic

- Winner: GPT-5.2
- GPT-5.2 public-lane score: 42.9 (Supported · #104/152)
- GPT-5.4 nano public-lane score: 34.6 (Supported · #133/152)

| Benchmark | GPT-5.2 | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| BrowseComp | 65.8% | Coming soon | Coming soon |
| OSWorld-Verified | 47.3% | 39% | GPT-5.2 |
| Gert Labs | 46.54% | Coming soon | Coming soon |
| JobBench | 34.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 46.3% | Coming soon |
| MCP Atlas | Coming soon | 56.1% | Coming soon |
| Toolathlon | Coming soon | 35.5% | Coming soon |
| τ²-bench results | Coming soon | 92.5% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 41.6% | Coming soon |

### Coding

- Winner: GPT-5.2
- GPT-5.2 public-lane score: 46.4 (Supported · #81/151)
- GPT-5.4 nano public-lane score: 37.1 (Supported · #126/151)

| Benchmark | GPT-5.2 | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80% | Coming soon | Coming soon |
| SWE-bench Pro | 55.6% | Coming soon | Coming soon |
| Vibe Code Bench | 53.50% | 26.10% | GPT-5.2 |
| LiveCodeBench (Vals) | Coming soon | 84.0% | Coming soon |
| SWE-bench (Vals) | Coming soon | 69.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- GPT-5.2 public-lane score: 66.3 (#23/48)
- GPT-5.4 nano public-lane score: 23.8 (#45/48)

| Benchmark | GPT-5.2 | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 79.5% | 66.1% | GPT-5.2 |
| MathVision | 83.0% | Coming soon | Coming soon |
| CharXiv | 82.1% | Coming soon | Coming soon |
| V* | 75.9% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 69.5% | Coming soon |

### Reasoning

- Winner: Coming soon
- GPT-5.2 public-lane score: 53.7 (Unranked · 3 rankable rows)
- GPT-5.4 nano public-lane score: 73.7 (Unranked · 2 rankable rows)

| Benchmark | GPT-5.2 | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 52.9% | Coming soon | Coming soon |

### Knowledge

- Winner: GPT-5.2
- GPT-5.2 public-lane score: 61.7 (Supported · #30/183)
- GPT-5.4 nano public-lane score: 47.4 (Supported · #97/183)

| Benchmark | GPT-5.2 | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 92.4% | 82.8% | GPT-5.2 |
| HLE | Coming soon | 37.7% | Coming soon |
| HLE w/o tools | Coming soon | 24.3% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 77.5% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 77.2% | Coming soon |

### Instruction Following

- Winner: Coming soon
- GPT-5.2 public-lane score: 92.6 (#14/123)
- GPT-5.4 nano public-lane score: 93.2 (#9/123)

### Mathematics

- Winner: Coming soon
- GPT-5.2 public-lane score: 57.5 (Unranked · 2 rankable rows)
- GPT-5.4 nano public-lane score: 43.9 (Unranked · 2 rankable rows)

| Benchmark | GPT-5.2 | GPT-5.4 nano | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 40.700% | 25.860% | GPT-5.2 |
| FrontierMath v2 (Tier 4) | 18.800% | 6.250% | GPT-5.2 |

## FAQ

### Which is better overall, GPT-5.2 or GPT-5.4 nano?

GPT-5.2 is ahead overall on BenchLM right now.

### Where is the biggest gap between GPT-5.2 and GPT-5.4 nano?

The widest category gap is in multimodal & grounded, where the averages are 66.3 for GPT-5.2 and 23.8 for GPT-5.4 nano.

### How many benchmarks does GPT-5.2 cover on BenchLM?

GPT-5.2 currently has 15 sourced benchmark scores on BenchLM.

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

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

## Related Comparisons

- [GPT-5.2 vs GPT-5.2 Pro](/compare/gpt-5-2-vs-gpt-5-2-pro)
- [GPT-5.4 nano vs GPT-5.2 Pro](/compare/gpt-5-2-pro-vs-gpt-5-4-nano)
- [GPT-5.2 vs GPT-5.2 Instant](/compare/gpt-5-2-vs-gpt-5-2-instant)
- [GPT-5.4 nano vs GPT-5.2 Instant](/compare/gpt-5-2-instant-vs-gpt-5-4-nano)

## Explore More

- [GPT-5.2 profile](/models/gpt-5-2)
- [GPT-5.4 nano profile](/models/gpt-5-4-nano)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)