Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GPT-5.4 Pro
91
MiMo-V2-Flash
61
Pick GPT-5.4 Pro if you want the stronger benchmark profile. MiMo-V2-Flash only becomes the better choice if mathematics is the priority or you want the cheaper token bill.
Knowledge
+35.5 difference
Math
+44.1 difference
GPT-5.4 Pro
MiMo-V2-Flash
$30 / $180
$0 / $0
74 t/s
129 t/s
151.79s
2.14s
1.05M
256K
Pick GPT-5.4 Pro if you want the stronger benchmark profile. MiMo-V2-Flash only becomes the better choice if mathematics is the priority or you want the cheaper token bill.
GPT-5.4 Pro is clearly ahead on the provisional aggregate, 91 to 61. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.4 Pro is also the more expensive model on tokens at $30.00 input / $180.00 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. GPT-5.4 Pro gives you the larger context window at 1.05M, compared with 256K for MiMo-V2-Flash.
GPT-5.4 Pro is ahead on BenchLM's provisional leaderboard, 91 to 61.
MiMo-V2-Flash has the edge for knowledge tasks in this comparison, averaging 84.5 versus 49. GPT-5.4 Pro stays close enough that the answer can still flip depending on your workload.
MiMo-V2-Flash has the edge for math in this comparison, averaging 94.1 versus 50. GPT-5.4 Pro stays close enough that the answer can still flip depending on your workload.
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