# GPT-5.4 mini vs MiMo-V2.5-Pro

> Side-by-side benchmark comparison for GPT-5.4 mini and MiMo-V2.5-Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-4-mini-vs-mimo-v2-5-pro
- Last updated: September 4, 2026

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

## Quick Verdict

Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. GPT-5.4 mini only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- MiMo-V2.5-Pro leads overall 65.41 to 62.63.
- The clearest category separation is in coding, where the averages are 42.9 for GPT-5.4 mini and 57.1 for MiMo-V2.5-Pro.
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 60% and 68.4%.
- MiMo-V2.5-Pro is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- MiMo-V2.5-Pro also has the larger context window at 1M.

## Model Snapshot

| Property | GPT-5.4 mini | MiMo-V2.5-Pro |
|----------|----------|----------|
| Creator | OpenAI | Xiaomi |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1M |
| Overall Score | 62.63 | 65.41 |
| Benchmarks Covered | 19 | 13 |
| Pricing (input/output) | $0.75 / $4.50 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 42.4 (Estimated · #113/151)
- MiMo-V2.5-Pro public-lane score: 40.8 (Supported · #118/151)

| Benchmark | GPT-5.4 mini | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 60% | 68.4% | MiMo-V2.5-Pro |
| OSWorld-Verified | 72.1% | Coming soon | Coming soon |
| MCP Atlas | 57.7% | Coming soon | Coming soon |
| Toolathlon | 42.9% | Coming soon | Coming soon |
| τ²-bench results | 93.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 54.7% | 57.3% | MiMo-V2.5-Pro |
| Claw-Eval | Coming soon | 63.8% | Coming soon |
| τ³-bench results | Coming soon | 72.9% | Coming soon |
| Gert Labs | Coming soon | 62.70% | Coming soon |

### Coding

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 42.9 (Supported · #125/183)
- MiMo-V2.5-Pro public-lane score: 57.1 (Estimated · #36/183)

| Benchmark | GPT-5.4 mini | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 47.97% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 27.0% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 81.5% | 81.4% | GPT-5.4 mini |
| SWE-bench (Vals) | 73.0% | 74.0% | MiMo-V2.5-Pro |
| SWE-bench Pro | Coming soon | 57.2% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 68.4% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 57.2 (#31/48)
- MiMo-V2.5-Pro public-lane score: Coming soon

| Benchmark | GPT-5.4 mini | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 76.6% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | 78% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 73.5 (Unranked · 2 rankable rows)
- MiMo-V2.5-Pro public-lane score: 76.9 (Unranked · 2 rankable rows)

### Knowledge

- Winner: GPT-5.4 mini
- GPT-5.4 mini public-lane score: 56.3 (Supported · #53/181)
- MiMo-V2.5-Pro public-lane score: 55.5 (Supported · #58/181)

| Benchmark | GPT-5.4 mini | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 88% | Coming soon | Coming soon |
| HLE | 41.5% | 48% | MiMo-V2.5-Pro |
| HLE w/o tools | 28.2% | 34% | MiMo-V2.5-Pro |
| GPQA Diamond (Vals) | 83.1% | 82.6% | GPT-5.4 mini |
| MMLU-Pro (Vals) | 84.6% | 84.6% | Tie |

### Instruction Following

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 89.6 (#23/120)
- MiMo-V2.5-Pro public-lane score: 93.5 (#6/120)

### Mathematics

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 44.5 (Unranked · 2 rankable rows)
- MiMo-V2.5-Pro public-lane score: Coming soon

| Benchmark | GPT-5.4 mini | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 28.280% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 2.080% | Coming soon | Coming soon |

## FAQ

### Which is better overall, GPT-5.4 mini or MiMo-V2.5-Pro?

MiMo-V2.5-Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between GPT-5.4 mini and MiMo-V2.5-Pro?

The widest category gap is in coding, where the averages are 42.9 for GPT-5.4 mini and 57.1 for MiMo-V2.5-Pro.

### How many benchmarks does GPT-5.4 mini cover on BenchLM?

GPT-5.4 mini currently has 19 sourced benchmark scores on BenchLM.

### How many benchmarks does MiMo-V2.5-Pro cover on BenchLM?

MiMo-V2.5-Pro currently has 13 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GPT-5.4 mini vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-mini)
- [MiMo-V2.5-Pro vs GPT-5.4](/compare/gpt-5-4-vs-mimo-v2-5-pro)
- [GPT-5.4 mini vs GPT-5.4 nano](/compare/gpt-5-4-mini-vs-gpt-5-4-nano)
- [MiMo-V2.5-Pro vs GPT-5.4 nano](/compare/gpt-5-4-nano-vs-mimo-v2-5-pro)

## Explore More

- [GPT-5.4 mini profile](/models/gpt-5-4-mini)
- [MiMo-V2.5-Pro profile](/models/mimo-v2-5-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)