# Grok 4.5 vs MiMo-V2.5-Pro

> Side-by-side benchmark comparison for Grok 4.5 and MiMo-V2.5-Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-5-vs-mimo-v2-5-pro
- Last updated: October 7, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Grok 4.5 if you want the stronger benchmark profile. MiMo-V2.5-Pro only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Grok 4.5 leads overall 63.97 to 52.47.
- The clearest category separation is in reasoning, where the averages are 50.4 for Grok 4.5 and 77.1 for MiMo-V2.5-Pro.
- The biggest single benchmark swing is SWE-bench (Vals) in Coding, with scores of 86.6% and 74.0%.
- 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 | Grok 4.5 | MiMo-V2.5-Pro |
|----------|----------|----------|
| Creator | xAI | Xiaomi |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 500K | 1M |
| Overall Score | 63.97 | 52.47 |
| Benchmarks Covered | 17 | 13 |
| Pricing (input/output) | $2.00 / $6.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Grok 4.5
- Grok 4.5 public-lane score: 57.6 (Supported · #29/122)
- MiMo-V2.5-Pro public-lane score: 36.9 (Supported · #68/122)

| Benchmark | Grok 4.5 | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 15.7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 83.3% | Coming soon | Coming soon |
| deepSwe | 53% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 67.8% | 57.3% | Grok 4.5 |
| Claw-Eval | Coming soon | 63.8% | Coming soon |
| τ³-bench results | Coming soon | 72.9% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 68.4% | Coming soon |
| Gert Labs | Coming soon | 62.70% | Coming soon |

### Coding

- Winner: Grok 4.5
- Grok 4.5 public-lane score: 57.7 (Supported · #27/146)
- MiMo-V2.5-Pro public-lane score: 44.8 (Supported · #53/146)

| Benchmark | Grok 4.5 | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 64.7% | 57.2% | Grok 4.5 |
| SWE Multilingual | 78% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 83.3% | Coming soon | Coming soon |
| CursorBench 3.2 | 66.7% | Coming soon | Coming soon |
| VulcanBench v3 | 89.9% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.4% | 81.4% | Grok 4.5 |
| SWE-bench (Vals) | 86.6% | 74.0% | Grok 4.5 |
| PostTrainBench v1.1 | 23.4% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 68.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Grok 4.5 public-lane score: 50.4 (#28/28)
- MiMo-V2.5-Pro public-lane score: 77.1 (Unranked · 2 rankable rows)

| Benchmark | Grok 4.5 | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 52.6% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.3% | Coming soon | Coming soon |
| ARC-AGI-1 | 85.67% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Grok 4.5 public-lane score: 79.5 (Unranked · 1 rankable row)
- MiMo-V2.5-Pro public-lane score: Coming soon

### Knowledge

- Winner: Grok 4.5
- Grok 4.5 public-lane score: 67 (Supported · #19/174)
- MiMo-V2.5-Pro public-lane score: 50.7 (Supported · #64/174)

| Benchmark | Grok 4.5 | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 92.9% | 82.6% | Grok 4.5 |
| MMLU-Pro (Vals) | 89.2% | 84.6% | Grok 4.5 |
| HLE | Coming soon | 48% | Coming soon |
| HLE w/o tools | Coming soon | 34% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Grok 4.5 public-lane score: Coming soon
- MiMo-V2.5-Pro public-lane score: 92.4 (#6/125)

## FAQ

### Which is better overall, Grok 4.5 or MiMo-V2.5-Pro?

Grok 4.5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Grok 4.5 and MiMo-V2.5-Pro?

The widest category gap is in reasoning, where the averages are 50.4 for Grok 4.5 and 77.1 for MiMo-V2.5-Pro.

### How many benchmarks does Grok 4.5 cover on BenchLM?

Grok 4.5 currently has 17 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

- [Grok 4.5 vs MiMo-V2.5](/compare/grok-4-5-vs-mimo-v2-5)
- [MiMo-V2.5-Pro vs MiMo-V2.5](/compare/mimo-v2-5-vs-mimo-v2-5-pro)
- [Grok 4.5 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-5)
- [MiMo-V2.5-Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mimo-v2-5-pro)

## Explore More

- [Grok 4.5 profile](/models/grok-4-5)
- [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)