Seed 1.6 Flash vs LFM2-24B-A2B

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 38. 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 41.7. The single biggest benchmark swing on the page is MMMU-Pro, 74 to 39.

Seed 1.6 Flash is also the more expensive model on tokens at $0.08 input / $0.30 output per 1M tokens, versus $0.03 input / $0.12 output per 1M tokens for LFM2-24B-A2B. That is roughly 2.5x on output cost alone. Seed 1.6 Flash is the reasoning model in the pair, while LFM2-24B-A2B is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Seed 1.6 Flash gives you the larger context window at 256K, compared with 32K for LFM2-24B-A2B.

Quick Verdict

Pick Seed 1.6 Flash if you want the stronger benchmark profile. LFM2-24B-A2B only becomes the better choice if you want the cheaper token bill or you would rather avoid the extra latency and token burn of a reasoning model.

Agentic

Seed 1.6 Flash

Seed 1.6 Flash

54.5

LFM2-24B-A2B

33.4

52
Terminal-Bench 2.0
30
62
BrowseComp
38
52
OSWorld-Verified
34

Coding

Seed 1.6 Flash

Seed 1.6 Flash

27.6

LFM2-24B-A2B

18

59
HumanEval
42
24
SWE-bench Verified
18
25
LiveCodeBench
17
31
SWE-bench Pro
19

Multimodal & Grounded

Seed 1.6 Flash

Seed 1.6 Flash

73.1

LFM2-24B-A2B

41.7

74
MMMU-Pro
39
72
OfficeQA Pro
45

Reasoning

Seed 1.6 Flash

Seed 1.6 Flash

66.8

LFM2-24B-A2B

46.6

61
SimpleQA
44
59
MuSR
42
75
BBH
63
70
LongBench v2
48
74
MRCRv2
45

Knowledge

Seed 1.6 Flash

Seed 1.6 Flash

47.3

LFM2-24B-A2B

35.6

65
MMLU
46
64
GPQA
45
62
SuperGPQA
43
60
OpenBookQA
41
65
MMLU-Pro
51
3
HLE
4
57
FrontierScience
43

Instruction Following

Seed 1.6 Flash

Seed 1.6 Flash

81

LFM2-24B-A2B

68

81
IFEval
68

Multilingual

Seed 1.6 Flash

Seed 1.6 Flash

72.8

LFM2-24B-A2B

61.4

76
MGSM
64
71
MMLU-ProX
60

Mathematics

Seed 1.6 Flash

Seed 1.6 Flash

67.1

LFM2-24B-A2B

50.4

64
AIME 2023
46
66
AIME 2024
48
65
AIME 2025
47
60
HMMT Feb 2023
42
62
HMMT Feb 2024
44
61
HMMT Feb 2025
43
63
BRUMO 2025
45
72
MATH-500
57

Frequently Asked Questions

Which is better, Seed 1.6 Flash or LFM2-24B-A2B?

Seed 1.6 Flash is ahead overall, 56 to 38. The biggest single separator in this matchup is MMMU-Pro, where the scores are 74 and 39.

Which is better for knowledge tasks, Seed 1.6 Flash or LFM2-24B-A2B?

Seed 1.6 Flash has the edge for knowledge tasks in this comparison, averaging 47.3 versus 35.6. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Seed 1.6 Flash or LFM2-24B-A2B?

Seed 1.6 Flash has the edge for coding in this comparison, averaging 27.6 versus 18. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Seed 1.6 Flash or LFM2-24B-A2B?

Seed 1.6 Flash has the edge for math in this comparison, averaging 67.1 versus 50.4. 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 LFM2-24B-A2B?

Seed 1.6 Flash has the edge for reasoning in this comparison, averaging 66.8 versus 46.6. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Seed 1.6 Flash or LFM2-24B-A2B?

Seed 1.6 Flash has the edge for agentic tasks in this comparison, averaging 54.5 versus 33.4. 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 LFM2-24B-A2B?

Seed 1.6 Flash has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 versus 41.7. 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 LFM2-24B-A2B?

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 LFM2-24B-A2B?

Seed 1.6 Flash has the edge for multilingual tasks in this comparison, averaging 72.8 versus 61.4. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

Weekly LLM Benchmark Digest

Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.

Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.