# Grok 4.3 vs MiMo-V2.5

> Side-by-side benchmark comparison for Grok 4.3 and MiMo-V2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-3-vs-mimo-v2-5
- Last updated: September 10, 2026

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

## Quick Verdict

Pick Grok 4.3 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

- Grok 4.3 leads overall 59.73 to 57.85.
- The clearest category separation is in agentic, where the averages are 26.9 for Grok 4.3 and 49.4 for MiMo-V2.5.
- The biggest single benchmark swing is Terminal-Bench 2.1 (Vals) in Agentic, with scores of 41.9% and 60.7%.
- MiMo-V2.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Grok 4.3 | MiMo-V2.5 |
|----------|----------|----------|
| Creator | xAI | Xiaomi |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 59.73 | 57.85 |
| Benchmarks Covered | 7 | 15 |
| Pricing (input/output) | $1.25 / $2.50 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Grok 4.3 public-lane score: 26.9 (Supported · #144/152)
- MiMo-V2.5 public-lane score: 49.4 (Estimated · #59/152)

| Benchmark | Grok 4.3 | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 43.86% | 46.89% | MiMo-V2.5 |
| ResearchClawBench | 12.4% | 16.9% | MiMo-V2.5 |
| Terminal-Bench 2.1 (Vals) | 41.9% | 60.7% | MiMo-V2.5 |
| Claw-Eval | Coming soon | 62.3% | Coming soon |
| MM-ClawBench | Coming soon | 23.8% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 65.8% | Coming soon |

### Coding

- Winner: MiMo-V2.5
- Grok 4.3 public-lane score: 33.6 (Supported · #131/151)
- MiMo-V2.5 public-lane score: 43.6 (Supported · #99/151)

| Benchmark | Grok 4.3 | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench (Vals) | 84.5% | 81.5% | Grok 4.3 |
| SWE-bench (Vals) | 71.4% | 71.0% | Grok 4.3 |
| SWE-bench Pro | Coming soon | 56.1% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 65.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Grok 4.3 public-lane score: 65.6 (#25/48)
- MiMo-V2.5 public-lane score: 59.2 (#29/48)

| Benchmark | Grok 4.3 | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| Video-MME (with subtitle) | Coming soon | 87.7% | Coming soon |
| CharXiv | Coming soon | 81% | Coming soon |
| MMMU-Pro | Coming soon | 77.9% | Coming soon |

### Reasoning

- Winner: Coming soon
- Grok 4.3 public-lane score: 65.2 (Unranked · 2 rankable rows)
- MiMo-V2.5 public-lane score: Coming soon

### Knowledge

- Winner: Coming soon
- Grok 4.3 public-lane score: 57 (Supported · #44/183)
- MiMo-V2.5 public-lane score: 52.1 (Estimated · #68/183)

| Benchmark | Grok 4.3 | MiMo-V2.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 91.4% | 81.6% | Grok 4.3 |
| MMLU-Pro (Vals) | 85.8% | 82.9% | Grok 4.3 |

### Instruction Following

- Winner: Coming soon
- Grok 4.3 public-lane score: 94.4 (#2/123)
- MiMo-V2.5 public-lane score: Coming soon

## FAQ

### Which is better overall, Grok 4.3 or MiMo-V2.5?

Grok 4.3 is ahead overall on BenchLM right now.

### Where is the biggest gap between Grok 4.3 and MiMo-V2.5?

The widest category gap is in agentic, where the averages are 26.9 for Grok 4.3 and 49.4 for MiMo-V2.5.

### How many benchmarks does Grok 4.3 cover on BenchLM?

Grok 4.3 currently has 7 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

- [Grok 4.3 vs MiMo-V2.5-Pro](/compare/grok-4-3-vs-mimo-v2-5-pro)
- [MiMo-V2.5 vs MiMo-V2.5-Pro](/compare/mimo-v2-5-vs-mimo-v2-5-pro)
- [Grok 4.3 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-grok-4-3)
- [MiMo-V2.5 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mimo-v2-5)

## Explore More

- [Grok 4.3 profile](/models/grok-4-3)
- [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)