MiMo-V2-Flash vs Seed 1.6 Flash

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

MiMo-V2-Flash is clearly ahead on the aggregate, 66 to 56. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

MiMo-V2-Flash's sharpest advantage is in coding, where it averages 50 against 27.6. The single biggest benchmark swing on the page is LiveCodeBench, 49 to 25.

Seed 1.6 Flash gives you the larger context window at 256K, compared with 128K for MiMo-V2-Flash.

Quick Verdict

Pick MiMo-V2-Flash if you want the stronger benchmark profile. Seed 1.6 Flash only becomes the better choice if you need the larger 256K context window.

Agentic

MiMo-V2-Flash

MiMo-V2-Flash

61.8

Seed 1.6 Flash

54.5

63
Terminal-Bench 2.0
52
65
BrowseComp
62
58
OSWorld-Verified
52

Coding

MiMo-V2-Flash

MiMo-V2-Flash

50

Seed 1.6 Flash

27.6

71
HumanEval
59
45
SWE-bench Verified
24
49
LiveCodeBench
25
52
SWE-bench Pro
31

Multimodal & Grounded

MiMo-V2-Flash

MiMo-V2-Flash

75.8

Seed 1.6 Flash

73.1

78
MMMU-Pro
74
73
OfficeQA Pro
72

Reasoning

MiMo-V2-Flash

MiMo-V2-Flash

75.3

Seed 1.6 Flash

66.8

76
SimpleQA
61
74
MuSR
59
85
BBH
75
74
LongBench v2
70
73
MRCRv2
74

Knowledge

MiMo-V2-Flash

MiMo-V2-Flash

58.8

Seed 1.6 Flash

47.3

79
MMLU
65
78
GPQA
64
76
SuperGPQA
62
74
OpenBookQA
60
72
MMLU-Pro
65
14
HLE
3
71
FrontierScience
57

Instruction Following

MiMo-V2-Flash

MiMo-V2-Flash

84

Seed 1.6 Flash

81

84
IFEval
81

Multilingual

MiMo-V2-Flash

MiMo-V2-Flash

79.1

Seed 1.6 Flash

72.8

83
MGSM
76
77
MMLU-ProX
71

Mathematics

MiMo-V2-Flash

MiMo-V2-Flash

83.4

Seed 1.6 Flash

67.1

79
AIME 2023
64
81
AIME 2024
66
80
AIME 2025
65
75
HMMT Feb 2023
60
77
HMMT Feb 2024
62
76
HMMT Feb 2025
61
78
BRUMO 2025
63
90
MATH-500
72

Frequently Asked Questions

Which is better, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash is ahead overall, 66 to 56. The biggest single separator in this matchup is LiveCodeBench, where the scores are 49 and 25.

Which is better for knowledge tasks, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash has the edge for knowledge tasks in this comparison, averaging 58.8 versus 47.3. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash has the edge for coding in this comparison, averaging 50 versus 27.6. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.

Which is better for math, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash has the edge for math in this comparison, averaging 83.4 versus 67.1. Inside this category, MATH-500 is the benchmark that creates the most daylight between them.

Which is better for reasoning, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash has the edge for reasoning in this comparison, averaging 75.3 versus 66.8. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash has the edge for agentic tasks in this comparison, averaging 61.8 versus 54.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash has the edge for multimodal and grounded tasks in this comparison, averaging 75.8 versus 73.1. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash has the edge for instruction following in this comparison, averaging 84 versus 81. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, MiMo-V2-Flash or Seed 1.6 Flash?

MiMo-V2-Flash has the edge for multilingual tasks in this comparison, averaging 79.1 versus 72.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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