# International Physics Olympiad 2025 (Theory) (IPhO 2025 (Theory))

> The three official theory problems from the 2025 International Physics Olympiad, scored with blinded human evaluation.

Canonical page: https://benchlm.ai/benchmarks/ipho2025theory

- Category: [Mathematics](/math)
- Last updated: September 27, 2026

## About IPhO 2025 (Theory)

- Year: 2026
- Tasks: 3 olympiad theory problems
- Format: Physics olympiad theory
- Difficulty: International olympiad physics
- Paper: [Muse Spark Eval Methodology](https://ai.meta.com/static-resource/muse-spark-eval-methodology)

Meta reports IPhO 2025 Theory as a Contemplating-mode comparison benchmark, scored with human evaluation guided by the official olympiad rubric. BenchLM stores it as a display-only advanced physics benchmark.

IPhO 2025 (Theory) is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (1 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [GPT-5.4 Pro](/models/gpt-5-4-pro) | OpenAI | 93.5% |

## FAQ

### What does IPhO 2025 (Theory) measure?

The three official theory problems from the 2025 International Physics Olympiad, scored with blinded human evaluation.

### Which model scores highest on IPhO 2025 (Theory)?

GPT-5.4 Pro by OpenAI currently leads with a score of 93.5% on IPhO 2025 (Theory).

### How many models are evaluated on IPhO 2025 (Theory)?

1 AI models have been evaluated on IPhO 2025 (Theory) on BenchLM.

### Does IPhO 2025 (Theory) affect BenchLM's overall score?

Not directly. IPhO 2025 (Theory) is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.