Seed-2.0-Mini vs Z-1

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

Seed-2.0-Mini is clearly ahead on the aggregate, 53 to 47. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Seed-2.0-Mini's sharpest advantage is in multimodal & grounded, where it averages 73.1 against 50.5. The single biggest benchmark swing on the page is MMMU-Pro, 74 to 46. Z-1 does hit back in coding, so the answer changes if that is the part of the workload you care about most.

Seed-2.0-Mini gives you the larger context window at 256K, compared with 128K for Z-1.

Quick Verdict

Pick Seed-2.0-Mini if you want the stronger benchmark profile. Z-1 only becomes the better choice if coding is the priority.

Agentic

Seed-2.0-Mini

Seed-2.0-Mini

46.2

Z-1

42.2

43
Terminal-Bench 2.0
39
53
BrowseComp
49
45
OSWorld-Verified
41

Coding

Z-1

Seed-2.0-Mini

24.7

Z-1

26.7

55
HumanEval
44
22
SWE-bench Verified
33
21
LiveCodeBench
22
29
SWE-bench Pro
30

Multimodal & Grounded

Seed-2.0-Mini

Seed-2.0-Mini

73.1

Z-1

50.5

74
MMMU-Pro
46
72
OfficeQA Pro
56

Reasoning

Seed-2.0-Mini

Seed-2.0-Mini

64.8

Z-1

54.8

59
SimpleQA
50
57
MuSR
48
73
BBH
74
68
LongBench v2
56
72
MRCRv2
57

Knowledge

Seed-2.0-Mini

Seed-2.0-Mini

44.6

Z-1

42.7

62
MMLU
52
61
GPQA
51
59
SuperGPQA
49
57
OpenBookQA
47
62
MMLU-Pro
64
1
HLE
6
54
FrontierScience
51

Instruction Following

Tie

Seed-2.0-Mini

80

Z-1

80

80
IFEval
80

Multilingual

Z-1

Seed-2.0-Mini

71.8

Z-1

72.7

75
MGSM
74
70
MMLU-ProX
72

Mathematics

Seed-2.0-Mini

Seed-2.0-Mini

65.1

Z-1

60.9

62
AIME 2023
52
64
AIME 2024
54
63
AIME 2025
53
58
HMMT Feb 2023
48
60
HMMT Feb 2024
50
59
HMMT Feb 2025
49
61
BRUMO 2025
51
70
MATH-500
73

Frequently Asked Questions

Which is better, Seed-2.0-Mini or Z-1?

Seed-2.0-Mini is ahead overall, 53 to 47. The biggest single separator in this matchup is MMMU-Pro, where the scores are 74 and 46.

Which is better for knowledge tasks, Seed-2.0-Mini or Z-1?

Seed-2.0-Mini has the edge for knowledge tasks in this comparison, averaging 44.6 versus 42.7. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Seed-2.0-Mini or Z-1?

Z-1 has the edge for coding in this comparison, averaging 26.7 versus 24.7. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Seed-2.0-Mini or Z-1?

Seed-2.0-Mini has the edge for math in this comparison, averaging 65.1 versus 60.9. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Seed-2.0-Mini or Z-1?

Seed-2.0-Mini has the edge for reasoning in this comparison, averaging 64.8 versus 54.8. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Seed-2.0-Mini or Z-1?

Seed-2.0-Mini has the edge for agentic tasks in this comparison, averaging 46.2 versus 42.2. 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, Seed-2.0-Mini or Z-1?

Seed-2.0-Mini has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 versus 50.5. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Seed-2.0-Mini or Z-1?

Seed-2.0-Mini and Z-1 are effectively tied for instruction following here, both landing at 80 on average.

Which is better for multilingual tasks, Seed-2.0-Mini or Z-1?

Z-1 has the edge for multilingual tasks in this comparison, averaging 72.7 versus 71.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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