# o3-mini vs Phi-4-reasoning

> Side-by-side benchmark comparison for o3-mini and Phi-4-reasoning across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/o3-mini-vs-phi-4-reasoning
- Last updated: October 14, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: o3-mini and Phi-4-reasoning share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- o3-mini has the larger published context window at 200K.

## Model Snapshot

| Property | o3-mini | Phi-4-reasoning |
|----------|----------|----------|
| Creator | OpenAI | Microsoft |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 32K |
| Independent public score (not head-to-head) | 40.02 | null |
| Benchmarks Covered | 5 | 6 |
| Pricing (input/output) | $1.10 / $4.40 | N/A |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- o3-mini public-lane score: Coming soon
- Phi-4-reasoning public-lane score: Coming soon

| Benchmark | o3-mini | Phi-4-reasoning | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 49.3% | Coming soon | Coming soon |
| LiveCodeBench | Coming soon | 53.8% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- o3-mini public-lane score: 37.7 (Supported · #122/181)
- Phi-4-reasoning public-lane score: Coming soon

| Benchmark | o3-mini | Phi-4-reasoning | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 86.9% | Coming soon | Coming soon |
| GPQA | 77.2% | 65.8% | o3-mini |
| MMLU-Pro | Coming soon | 74.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- o3-mini public-lane score: Coming soon
- Phi-4-reasoning public-lane score: Coming soon

| Benchmark | o3-mini | Phi-4-reasoning | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 93.9% | 83.4% | o3-mini |

### Mathematics

- Winner: Insufficient shared evidence
- o3-mini public-lane score: Coming soon
- Phi-4-reasoning public-lane score: Coming soon

| Benchmark | o3-mini | Phi-4-reasoning | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 87.3% | 75.3% | o3-mini |
| AIME 2025 | Coming soon | 62.9% | Coming soon |

## FAQ

### Is there enough evidence to pick between o3-mini and Phi-4-reasoning?

Not yet. The models share only 3 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

- [o3-mini vs o3-pro](/compare/o3-mini-vs-o3-pro)
- [Phi-4-reasoning vs o3-pro](/compare/o3-pro-vs-phi-4-reasoning)
- [o3-mini vs o3](/compare/o3-vs-o3-mini)
- [Phi-4-reasoning vs o3](/compare/o3-vs-phi-4-reasoning)

## Explore More

- [o3-mini profile](/models/o3-mini)
- [Phi-4-reasoning profile](/models/phi-4-reasoning)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)