# Grok 4.3 vs MiMo-V2.5-Pro

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

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

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

## Quick Verdict

Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. Grok 4.3 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- MiMo-V2.5-Pro leads overall 62.85 to 59.73.
- The clearest category separation is in coding, where the averages are 33.6 for Grok 4.3 and 55.4 for MiMo-V2.5-Pro.
- The biggest single benchmark swing is Gert Labs in Agentic, with scores of 43.86% and 62.70%.
- MiMo-V2.5-Pro 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-Pro |
|----------|----------|----------|
| Creator | xAI | Xiaomi |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 59.73 | 62.85 |
| Benchmarks Covered | 7 | 13 |
| Pricing (input/output) | $1.25 / $2.50 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: MiMo-V2.5-Pro
- Grok 4.3 public-lane score: 26.9 (Supported · #144/152)
- MiMo-V2.5-Pro public-lane score: 39.8 (Supported · #117/152)

| Benchmark | Grok 4.3 | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 43.86% | 62.70% | MiMo-V2.5-Pro |
| ResearchClawBench | 12.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 41.9% | 57.3% | MiMo-V2.5-Pro |
| 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 |

### Coding

- Winner: Coming soon
- Grok 4.3 public-lane score: 33.6 (Supported · #131/151)
- MiMo-V2.5-Pro public-lane score: 55.4 (Estimated · #40/151)

| Benchmark | Grok 4.3 | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench (Vals) | 84.5% | 81.4% | Grok 4.3 |
| SWE-bench (Vals) | 71.4% | 74.0% | MiMo-V2.5-Pro |
| SWE-bench Pro | Coming soon | 57.2% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 68.4% | Coming soon |

### Multimodal & Grounded

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

### Reasoning

- Winner: Coming soon
- Grok 4.3 public-lane score: 65.2 (Unranked · 2 rankable rows)
- MiMo-V2.5-Pro public-lane score: 75.8 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Grok 4.3
- Grok 4.3 public-lane score: 57 (Supported · #44/183)
- MiMo-V2.5-Pro public-lane score: 54 (Supported · #59/183)

| Benchmark | Grok 4.3 | MiMo-V2.5-Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 91.4% | 82.6% | Grok 4.3 |
| MMLU-Pro (Vals) | 85.8% | 84.6% | Grok 4.3 |
| HLE | Coming soon | 48% | Coming soon |
| HLE w/o tools | Coming soon | 34% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Grok 4.3 public-lane score: 94.4 (#2/123)
- MiMo-V2.5-Pro public-lane score: 93.7 (#6/123)

## FAQ

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

MiMo-V2.5-Pro is ahead overall on BenchLM right now.

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

The widest category gap is in coding, where the averages are 33.6 for Grok 4.3 and 55.4 for MiMo-V2.5-Pro.

### 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-Pro cover on BenchLM?

MiMo-V2.5-Pro currently has 13 sourced benchmark scores on BenchLM.

## Related Comparisons

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

## Explore More

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