# GPT-5.4 mini vs MiMo-V2.5

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

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

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

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

## Summary

- GPT-5.4 mini leads overall 62.63 to 60.72.
- The clearest category separation is in coding, where the averages are 42.9 for GPT-5.4 mini and 54.8 for MiMo-V2.5.
- The biggest single benchmark swing is Terminal-Bench 2.1 (Vals) in Agentic, with scores of 54.7% and 60.7%.
- MiMo-V2.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- MiMo-V2.5 also has the larger context window at 1M.

## Model Snapshot

| Property | GPT-5.4 mini | MiMo-V2.5 |
|----------|----------|----------|
| Creator | OpenAI | Xiaomi |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1M |
| Overall Score | 62.63 | 60.72 |
| Benchmarks Covered | 19 | 15 |
| 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 public-lane score: 51.1 (Estimated · #58/151)

| Benchmark | GPT-5.4 mini | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 60% | 65.8% | MiMo-V2.5 |
| 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% | 60.7% | MiMo-V2.5 |
| Claw-Eval | Coming soon | 62.3% | Coming soon |
| MM-ClawBench | Coming soon | 23.8% | Coming soon |
| Gert Labs | Coming soon | 46.89% | Coming soon |
| ResearchClawBench | Coming soon | 16.9% | Coming soon |

### Coding

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 42.9 (Supported · #125/183)
- MiMo-V2.5 public-lane score: 54.8 (Estimated · #45/183)

| Benchmark | GPT-5.4 mini | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 47.97% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 27.0% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 81.5% | 81.5% | Tie |
| SWE-bench (Vals) | 73.0% | 71.0% | GPT-5.4 mini |
| SWE-bench Pro | Coming soon | 56.1% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 65.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 56.6 (#32/48)
- MiMo-V2.5 public-lane score: 58.5 (#29/48)

| Benchmark | GPT-5.4 mini | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 76.6% | 77.9% | MiMo-V2.5 |
| MMMU-Pro w/ Python | 78% | Coming soon | Coming soon |
| Video-MME (with subtitle) | Coming soon | 87.7% | Coming soon |
| CharXiv | Coming soon | 81% | Coming soon |

### Reasoning

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

### Knowledge

- Winner: Coming soon
- GPT-5.4 mini public-lane score: 56.4 (Supported · #53/181)
- MiMo-V2.5 public-lane score: 53.8 (Estimated · #65/181)

| Benchmark | GPT-5.4 mini | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 88% | Coming soon | Coming soon |
| HLE | 41.5% | Coming soon | Coming soon |
| HLE w/o tools | 28.2% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 83.1% | 81.6% | GPT-5.4 mini |
| MMLU-Pro (Vals) | 84.6% | 82.9% | GPT-5.4 mini |

### Instruction Following

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

### Mathematics

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

| Benchmark | GPT-5.4 mini | MiMo-V2.5 | 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?

GPT-5.4 mini is ahead overall on BenchLM right now.

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

The widest category gap is in coding, where the averages are 42.9 for GPT-5.4 mini and 54.8 for MiMo-V2.5.

### 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 cover on BenchLM?

MiMo-V2.5 currently has 15 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 vs GPT-5.4](/compare/gpt-5-4-vs-mimo-v2-5)
- [GPT-5.4 mini vs GPT-5.4 nano](/compare/gpt-5-4-mini-vs-gpt-5-4-nano)
- [MiMo-V2.5 vs GPT-5.4 nano](/compare/gpt-5-4-nano-vs-mimo-v2-5)

## Explore More

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