Grok 4.3 vs Mimo v2 Pro
Grok 4.3 
Mimo v2 Pro Verdict
- Grok 4.3 (medium) and Mimo v2 Pro are level on quality (60.7 vs 60.6).
- Grok 4.3 (medium) is stronger in instruction following, knowledge, long context, multimodal.
- Mimo v2 Pro is stronger in agents & tools, composite, coding, human preference, reasoning.
- Grok 4.3 (medium) is 1.9× cheaper ($1.56 vs $3.00 per 1M blended).
| Metric | Grok 4.3 (medium) | Mimo v2 Pro |
|---|---|---|
| BenchLeader Index | 60.7 | 60.6 |
| Agents & tools score | 60.1 | 69.4 |
| Composite score | 60.3 | 65.2 |
| Instruction following score | 80.0 | 67.5 |
| Knowledge score | 72.1 | 66.3 |
| Long context score | 64.0 | 60.5 |
| Multimodal score | 60.2 | – |
| Coding score | – | 54.7 |
| Human preference score | – | 64.5 |
| Reasoning score | – | 65.2 |
| Blended price $/M | $1.56 | $3.00 |
| Output speed | 112 tok/s | – |
| Time to first answer | 12.1 s | – |
| Context window | 1M | 1.0M |
| LMArena Text | – | 1448 |
| LMArena Hard Prompts | – | 1476 |
| LMArena Coding | – | 1503 |
| LMArena WebDev | – | 1433 |
| AA Intelligence Index | 24.8 | 28.6 |
| IFBench | 83.3% | 68.8% |
| AA-LCR | 75.0% | 68.3% |
| MMMU-Pro | 75.8% | – |
| AA-Omniscience | 16.7 | 4.6 |
| Terminal-Bench Hard | 30.3% | 40.9% |
| GPQA Diamond (AA) | 89.0% | 87.0% |
| Humanity's Last Exam (AA) | 30.0% | 30.4% |
| τ²-Bench Telecom (AA) | 91.2% | 95.0% |
Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.
Grok 4.3 vs Mimo v2 Pro: questions
- Is Grok 4.3 better than Mimo v2 Pro?
- Grok 4.3 (medium) and Mimo v2 Pro are level on quality (60.7 vs 60.6). The BenchLeader Index combines every independent quality benchmark; Grok 4.3 (medium) is ahead overall as of 2026-09-10, but check the category scores for your use.
- Is Grok 4.3 better than Mimo v2 Pro for agentic tasks?
- Mimo v2 Pro scores higher in agentic tasks (69 vs 60 on the category index, where 50 is average).
- Which is cheaper, Grok 4.3 or Mimo v2 Pro?
- Grok 4.3 is cheaper: $1.56 against $3.00 per million tokens, blended at three input tokens per output token.
- Which has the larger context window?
- Mimo v2 Pro accepts more context: 1.0M against 1M tokens.