# GPT-OSS 120B vs Phi-4

> Side-by-side benchmark comparison for GPT-OSS 120B and Phi-4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-oss-120b-vs-phi-4
- Last updated: September 4, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for GPT-OSS 120B and Phi-4.

## Summary

- GPT-OSS 120B and Phi-4 do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | GPT-OSS 120B | Phi-4 |
|----------|----------|----------|
| Creator | OpenAI | Microsoft |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 128K | 16K |
| Independent public score (not head-to-head) | 49.26 | 32.91 |
| Benchmarks Covered | 2 | 0 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 44.9 (Estimated · #97/151)
- Phi-4 public-lane score: Coming soon

| Benchmark | GPT-OSS 120B | Phi-4 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 29.61% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 46.2 (Estimated · #100/183)
- Phi-4 public-lane score: 34.7 (Estimated · #158/183)

| Benchmark | GPT-OSS 120B | Phi-4 | Winner |
|-----------|-----------|-----------|--------|
| React Native Evals | 71.6% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 57.7 (Unranked · 2 rankable rows)
- Phi-4 public-lane score: 21 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 44.4 (Estimated · #118/181)
- Phi-4 public-lane score: 33.2 (Estimated · #171/181)

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 84 (#46/120)
- Phi-4 public-lane score: 28.5 (#113/120)

## FAQ

### Can I compare GPT-OSS 120B and Phi-4 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [GPT-OSS 120B vs GPT-OSS 20B](/compare/gpt-oss-120b-vs-gpt-oss-20b)
- [Phi-4 vs GPT-OSS 20B](/compare/gpt-oss-20b-vs-phi-4)
- [GPT-OSS 120B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-oss-120b)
- [Phi-4 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-phi-4)

## Explore More

- [GPT-OSS 120B profile](/models/gpt-oss-120b)
- [Phi-4 profile](/models/phi-4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)