# Grok 4.5 vs MiMo-V2-Flash

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

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

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Grok 4.5 and MiMo-V2-Flash 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-Flash has the lower published output-token price.
- Grok 4.5 has the larger published context window at 500K.

## Model Snapshot

| Property | Grok 4.5 | MiMo-V2-Flash |
|----------|----------|----------|
| Creator | xAI | Xiaomi |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 500K | 256K |
| Independent public score (not head-to-head) | 63.97 | 41.36 |
| Benchmarks Covered | 17 | 5 |
| Pricing (input/output) | $2.00 / $6.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 57.6 (Supported · #29/122)
- MiMo-V2-Flash public-lane score: Coming soon

| Benchmark | Grok 4.5 | MiMo-V2-Flash | 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% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 57.7 (Supported · #27/146)
- MiMo-V2-Flash public-lane score: 30.4 (Estimated · #94/146)

| Benchmark | Grok 4.5 | MiMo-V2-Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 64.7% | Coming soon | Coming soon |
| 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% | Coming soon | Coming soon |
| SWE-bench (Vals) | 86.6% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 23.4% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 73.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 50.4 (#28/28)
- MiMo-V2-Flash public-lane score: 47.1 (Unranked · 2 rankable rows)

| Benchmark | Grok 4.5 | MiMo-V2-Flash | 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: Insufficient shared evidence
- Grok 4.5 public-lane score: 79.5 (Unranked · 1 rankable row)
- MiMo-V2-Flash public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: 67 (Supported · #19/174)
- MiMo-V2-Flash public-lane score: 32.8 (Supported · #129/174)

| Benchmark | Grok 4.5 | MiMo-V2-Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 92.9% | 59.3% | Grok 4.5 |
| MMLU-Pro (Vals) | 89.2% | Coming soon | Coming soon |
| GPQA | Coming soon | 83.7% | Coming soon |
| MMLU-Pro | Coming soon | 84.9% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: Coming soon
- MiMo-V2-Flash public-lane score: 44.9 (#90/125)

### Mathematics

- Winner: Insufficient shared evidence
- Grok 4.5 public-lane score: Coming soon
- MiMo-V2-Flash public-lane score: Coming soon

| Benchmark | Grok 4.5 | MiMo-V2-Flash | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | Coming soon | 94.1% | Coming soon |

## FAQ

### Is there enough evidence to pick between Grok 4.5 and MiMo-V2-Flash?

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

- [Grok 4.5 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-5)
- [MiMo-V2-Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mimo-v2-flash)
- [Grok 4.5 vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4-5)
- [MiMo-V2-Flash vs GPT-6 Astra](/compare/gpt-6-astra-vs-mimo-v2-flash)

## Explore More

- [Grok 4.5 profile](/models/grok-4-5)
- [MiMo-V2-Flash profile](/models/mimo-v2-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)