Grok 4.5 vs MiMo-V2-Omni
Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Grok 4.5 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Grok 4.5
75
MiMo-V2-Omni
67
Pick Grok 4.5 if you want the stronger benchmark profile. MiMo-V2-Omni only becomes the better choice if coding is the priority.
Category Breakdown
| Benchmark | Grok 4.5 | Δ | MiMo-V2-Omni |
|---|---|---|---|
| Coding | 64.7 | → 10.1 | 74.8 |
| Agentic | 83.3 | — | — |
Operational Comparison
Grok 4.5
MiMo-V2-Omni
$2 / $6
N/A
N/A
N/A
N/A
N/A
500K
262K
Quick Verdict
Pick Grok 4.5 if you want the stronger benchmark profile. MiMo-V2-Omni only becomes the better choice if coding is the priority.
Grok 4.5 is clearly ahead on the provisional aggregate, 75 to 67. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.5 gives you the larger context window at 500K, compared with 262K for MiMo-V2-Omni.
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, Grok 4.5 or MiMo-V2-Omni?
Grok 4.5 is ahead on BenchLM's provisional leaderboard, 75 to 67.
Which is better for coding, Grok 4.5 or MiMo-V2-Omni?
MiMo-V2-Omni has the edge for coding in this comparison, averaging 74.8 versus 64.7. Grok 4.5 stays close enough that the answer can still flip depending on your workload.
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