# o1 vs Phi-4-reasoning-plus

> Side-by-side benchmark comparison for o1 and Phi-4-reasoning-plus across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/o1-vs-phi-4-reasoning-plus
- Last updated: October 14, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: o1 and Phi-4-reasoning-plus share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- o1 has the larger published context window at 200K.

## Model Snapshot

| Property | o1 | Phi-4-reasoning-plus |
|----------|----------|----------|
| Creator | OpenAI | Microsoft |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 32K |
| Independent public score (not head-to-head) | 38.3 | null |
| Benchmarks Covered | 4 | 6 |
| Pricing (input/output) | $15.00 / $60.00 | N/A |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- o1 public-lane score: 28 (Estimated · #99/149)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | o1 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench | Coming soon | 53.1% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- o1 public-lane score: 70.5 (Unranked · 2 rankable rows)
- Phi-4-reasoning-plus public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- o1 public-lane score: 41.6 (Supported · #108/181)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | o1 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 91.8% | Coming soon | Coming soon |
| GPQA | 75.7% | 68.9% | o1 |
| MMLU-Pro | Coming soon | 76% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- o1 public-lane score: 86 (#44/128)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | o1 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 92.2% | 84.9% | o1 |

### Mathematics

- Winner: Insufficient shared evidence
- o1 public-lane score: 33.5 (Unranked · 1 rankable row)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | o1 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 14.737% | Coming soon | Coming soon |
| AIME 2024 | Coming soon | 81.3% | Coming soon |
| AIME 2025 | Coming soon | 78% | Coming soon |

## FAQ

### Is there enough evidence to pick between o1 and Phi-4-reasoning-plus?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [o1 vs o1-preview](/compare/o1-vs-o1-preview)
- [Phi-4-reasoning-plus vs o1-preview](/compare/o1-preview-vs-phi-4-reasoning-plus)
- [o1 vs o1-pro](/compare/o1-vs-o1-pro)
- [Phi-4-reasoning-plus vs o1-pro](/compare/o1-pro-vs-phi-4-reasoning-plus)

## Explore More

- [o1 profile](/models/o1)
- [Phi-4-reasoning-plus profile](/models/phi-4-reasoning-plus)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)