Grok 4.5 vs MiMo-V2-Flash
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-Flash
57
Pick Grok 4.5 if you want the stronger benchmark profile. MiMo-V2-Flash only becomes the better choice if coding is the priority or you want the cheaper token bill.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Grok 4.5 | Δ | MiMo-V2-Flash |
|---|---|---|---|
| Coding | 64.7 | → 8.7 | 73.4 |
| Agentic | 83.3 | — | — |
| Knowledge | — | — | 84.7 |
Operational Comparison
Grok 4.5
MiMo-V2-Flash
$2 / $6
$0 / $0
N/A
129 t/s
N/A
2.14s
500K
256K
Quick Verdict
Pick Grok 4.5 if you want the stronger benchmark profile. MiMo-V2-Flash only becomes the better choice if coding is the priority or you want the cheaper token bill.
Grok 4.5 is clearly ahead on the provisional aggregate, 75 to 57. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.5 is also the more expensive model on tokens at $2.00 input / $6.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for MiMo-V2-Flash. That is roughly Infinityx on output cost alone. Grok 4.5 gives you the larger context window at 500K, compared with 256K for MiMo-V2-Flash.
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, Grok 4.5 or MiMo-V2-Flash?
Grok 4.5 is ahead on BenchLM's provisional leaderboard, 75 to 57.
Which is better for coding, Grok 4.5 or MiMo-V2-Flash?
MiMo-V2-Flash has the edge for coding in this comparison, averaging 73.4 versus 64.7. Grok 4.5 stays close enough that the answer can still flip depending on your workload.
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