# GPT-OSS 120B vs MiMo-V2-Pro

> Side-by-side benchmark comparison for GPT-OSS 120B and MiMo-V2-Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-oss-120b-vs-mimo-v2-pro
- Last updated: September 15, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-OSS 120B and MiMo-V2-Pro share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- MiMo-V2-Pro has the larger published context window at 1M.

## Model Snapshot

| Property | GPT-OSS 120B | MiMo-V2-Pro |
|----------|----------|----------|
| Creator | OpenAI | Xiaomi |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | 45.93 | 62.79 |
| Benchmarks Covered | 2 | 4 |
| Pricing (input/output) | $0.00 / $0.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 41 (Estimated · #113/153)
- MiMo-V2-Pro public-lane score: Coming soon

| Benchmark | GPT-OSS 120B | MiMo-V2-Pro | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 29.61% | 36.68% | MiMo-V2-Pro |
| Claw-Eval | Coming soon | 57.8% | Coming soon |
| ResearchClawBench | Coming soon | 15.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 43.7 (Estimated · #99/152)
- MiMo-V2-Pro public-lane score: 55.3 (Estimated · #41/152)

| Benchmark | GPT-OSS 120B | MiMo-V2-Pro | Winner |
|-----------|-----------|-----------|--------|
| React Native Evals | 71.6% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 78% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 56.8 (Unranked · 2 rankable rows)
- MiMo-V2-Pro public-lane score: 67.9 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 42.3 (Estimated · #121/183)
- MiMo-V2-Pro public-lane score: 53.5 (Estimated · #63/183)

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-OSS 120B public-lane score: 84.3 (#47/123)
- MiMo-V2-Pro public-lane score: 84 (#49/123)

## FAQ

### Is there enough evidence to pick between GPT-OSS 120B and MiMo-V2-Pro?

Not yet. The models share only 1 sourced benchmark row, 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

- [GPT-OSS 120B vs GPT-OSS 20B](/compare/gpt-oss-120b-vs-gpt-oss-20b)
- [MiMo-V2-Pro vs GPT-OSS 20B](/compare/gpt-oss-20b-vs-mimo-v2-pro)
- [GPT-OSS 120B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-oss-120b)
- [MiMo-V2-Pro vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mimo-v2-pro)

## Explore More

- [GPT-OSS 120B profile](/models/gpt-oss-120b)
- [MiMo-V2-Pro profile](/models/mimo-v2-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)