Seed 1.6 Flash vs Ministral 3 3B (Reasoning)

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

Seed 1.6 Flash is clearly ahead on the aggregate, 56 to 31. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Seed 1.6 Flash's sharpest advantage is in multimodal & grounded, where it averages 73.1 against 30.4. The single biggest benchmark swing on the page is MMMU-Pro, 74 to 25.

Seed 1.6 Flash is also the more expensive model on tokens at $0.08 input / $0.30 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Ministral 3 3B (Reasoning). That is roughly Infinityx on output cost alone. Seed 1.6 Flash gives you the larger context window at 256K, compared with 128K for Ministral 3 3B (Reasoning).

Quick Verdict

Pick Seed 1.6 Flash if you want the stronger benchmark profile. Ministral 3 3B (Reasoning) only becomes the better choice if you want the cheaper token bill.

Agentic

Seed 1.6 Flash

Seed 1.6 Flash

54.5

Ministral 3 3B (Reasoning)

34

52
Terminal-Bench 2.0
33
62
BrowseComp
37
52
OSWorld-Verified
33

Coding

Seed 1.6 Flash

Seed 1.6 Flash

27.6

Ministral 3 3B (Reasoning)

7.2

59
HumanEval
16
24
SWE-bench Verified
9
25
LiveCodeBench
8
31
SWE-bench Pro
6

Multimodal & Grounded

Seed 1.6 Flash

Seed 1.6 Flash

73.1

Ministral 3 3B (Reasoning)

30.4

74
MMMU-Pro
25
72
OfficeQA Pro
37

Reasoning

Seed 1.6 Flash

Seed 1.6 Flash

66.8

Ministral 3 3B (Reasoning)

35.3

61
SimpleQA
26
59
MuSR
26
75
BBH
63
70
LongBench v2
37
74
MRCRv2
40

Knowledge

Seed 1.6 Flash

Seed 1.6 Flash

47.3

Ministral 3 3B (Reasoning)

25.2

65
MMLU
25
64
GPQA
24
62
SuperGPQA
22
60
OpenBookQA
20
65
MMLU-Pro
49
3
HLE
1
57
FrontierScience
29

Instruction Following

Seed 1.6 Flash

Seed 1.6 Flash

81

Ministral 3 3B (Reasoning)

68

81
IFEval
68

Multilingual

Seed 1.6 Flash

Seed 1.6 Flash

72.8

Ministral 3 3B (Reasoning)

59.7

76
MGSM
61
71
MMLU-ProX
59

Mathematics

Seed 1.6 Flash

Seed 1.6 Flash

67.1

Ministral 3 3B (Reasoning)

40.9

64
AIME 2023
27
66
AIME 2024
29
65
AIME 2025
28
60
HMMT Feb 2023
23
62
HMMT Feb 2024
25
61
HMMT Feb 2025
24
63
BRUMO 2025
26
72
MATH-500
59

Frequently Asked Questions

Which is better, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash is ahead overall, 56 to 31. The biggest single separator in this matchup is MMMU-Pro, where the scores are 74 and 25.

Which is better for knowledge tasks, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash has the edge for knowledge tasks in this comparison, averaging 47.3 versus 25.2. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash has the edge for coding in this comparison, averaging 27.6 versus 7.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash has the edge for math in this comparison, averaging 67.1 versus 40.9. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash has the edge for reasoning in this comparison, averaging 66.8 versus 35.3. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash has the edge for agentic tasks in this comparison, averaging 54.5 versus 34. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 versus 30.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash has the edge for instruction following in this comparison, averaging 81 versus 68. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Seed 1.6 Flash or Ministral 3 3B (Reasoning)?

Seed 1.6 Flash has the edge for multilingual tasks in this comparison, averaging 72.8 versus 59.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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