# GPT-5.4 nano vs MiMo-V2.5

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

- Canonical page: https://benchlm.ai/compare/gpt-5-4-nano-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 nano 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 nano leads overall 62.19 to 60.72.
- The clearest category separation is in multimodal & grounded, where the averages are 23.8 for GPT-5.4 nano and 58.5 for MiMo-V2.5.
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 46.3% and 65.8%.
- 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 nano | MiMo-V2.5 |
|----------|----------|----------|
| Creator | OpenAI | Xiaomi |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1M |
| Overall Score | 62.19 | 60.72 |
| Benchmarks Covered | 18 | 15 |
| Pricing (input/output) | $0.20 / $1.25 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 37.3 (Supported · #127/151)
- MiMo-V2.5 public-lane score: 51.1 (Estimated · #58/151)

| Benchmark | GPT-5.4 nano | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 46.3% | 65.8% | MiMo-V2.5 |
| OSWorld-Verified | 39% | Coming soon | Coming soon |
| MCP Atlas | 56.1% | Coming soon | Coming soon |
| Toolathlon | 35.5% | Coming soon | Coming soon |
| τ²-bench results | 92.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 41.6% | 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 nano public-lane score: 37.5 (Supported · #150/183)
- MiMo-V2.5 public-lane score: 54.8 (Estimated · #45/183)

| Benchmark | GPT-5.4 nano | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 26.10% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 84.0% | 81.5% | GPT-5.4 nano |
| SWE-bench (Vals) | 69.8% | 71.0% | MiMo-V2.5 |
| 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 nano public-lane score: 23.8 (#45/48)
- MiMo-V2.5 public-lane score: 58.5 (#29/48)

| Benchmark | GPT-5.4 nano | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 66.1% | 77.9% | MiMo-V2.5 |
| MMMU-Pro w/ Python | 69.5% | 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 nano public-lane score: 72.8 (Unranked · 2 rankable rows)
- MiMo-V2.5 public-lane score: Coming soon

### Knowledge

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 48.8 (Supported · #97/181)
- MiMo-V2.5 public-lane score: 53.8 (Estimated · #65/181)

| Benchmark | GPT-5.4 nano | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 82.8% | Coming soon | Coming soon |
| HLE | 37.7% | Coming soon | Coming soon |
| HLE w/o tools | 24.3% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 77.5% | 81.6% | MiMo-V2.5 |
| MMLU-Pro (Vals) | 77.2% | 82.9% | MiMo-V2.5 |

### Instruction Following

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 92.9 (#9/120)
- MiMo-V2.5 public-lane score: Coming soon

### Mathematics

- Winner: Coming soon
- GPT-5.4 nano public-lane score: 43.9 (Unranked · 2 rankable rows)
- MiMo-V2.5 public-lane score: Coming soon

| Benchmark | GPT-5.4 nano | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 25.860% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 6.250% | Coming soon | Coming soon |

## FAQ

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

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

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

The widest category gap is in multimodal & grounded, where the averages are 23.8 for GPT-5.4 nano and 58.5 for MiMo-V2.5.

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

GPT-5.4 nano currently has 18 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 nano vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-nano)
- [MiMo-V2.5 vs GPT-5.4](/compare/gpt-5-4-vs-mimo-v2-5)
- [GPT-5.4 nano vs GPT-5.4 mini](/compare/gpt-5-4-mini-vs-gpt-5-4-nano)
- [MiMo-V2.5 vs GPT-5.4 mini](/compare/gpt-5-4-mini-vs-mimo-v2-5)

## Explore More

- [GPT-5.4 nano profile](/models/gpt-5-4-nano)
- [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)