GLM-4.7-Flash vs Seed 1.6 Flash

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

GLM-4.7-Flash is clearly ahead on the aggregate, 62 to 56. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GLM-4.7-Flash's sharpest advantage is in coding, where it averages 45.9 against 27.6. The single biggest benchmark swing on the page is LiveCodeBench, 45 to 25. Seed 1.6 Flash does hit back in multimodal & grounded, so the answer changes if that is the part of the workload you care about most.

Seed 1.6 Flash gives you the larger context window at 256K, compared with 200K for GLM-4.7-Flash.

Quick Verdict

Pick GLM-4.7-Flash if you want the stronger benchmark profile. Seed 1.6 Flash only becomes the better choice if multimodal & grounded is the priority or you need the larger 256K context window.

Agentic

GLM-4.7-Flash

GLM-4.7-Flash

61.3

Seed 1.6 Flash

54.5

64
Terminal-Bench 2.0
52
63
BrowseComp
62
57
OSWorld-Verified
52

Coding

GLM-4.7-Flash

GLM-4.7-Flash

45.9

Seed 1.6 Flash

27.6

58
HumanEval
59
40
SWE-bench Verified
24
45
LiveCodeBench
25
48
SWE-bench Pro
31

Multimodal & Grounded

Seed 1.6 Flash

GLM-4.7-Flash

62.5

Seed 1.6 Flash

73.1

58
MMMU-Pro
74
68
OfficeQA Pro
72

Reasoning

GLM-4.7-Flash

GLM-4.7-Flash

69.7

Seed 1.6 Flash

66.8

63
SimpleQA
61
61
MuSR
59
86
BBH
75
72
LongBench v2
70
76
MRCRv2
74

Knowledge

GLM-4.7-Flash

GLM-4.7-Flash

54.1

Seed 1.6 Flash

47.3

66
MMLU
65
65
GPQA
64
63
SuperGPQA
62
61
OpenBookQA
60
74
MMLU-Pro
65
15
HLE
3
63
FrontierScience
57

Instruction Following

GLM-4.7-Flash

GLM-4.7-Flash

84

Seed 1.6 Flash

81

84
IFEval
81

Multilingual

GLM-4.7-Flash

GLM-4.7-Flash

81.8

Seed 1.6 Flash

72.8

85
MGSM
76
80
MMLU-ProX
71

Mathematics

GLM-4.7-Flash

GLM-4.7-Flash

74

Seed 1.6 Flash

67.1

66
AIME 2023
64
68
AIME 2024
66
67
AIME 2025
65
62
HMMT Feb 2023
60
64
HMMT Feb 2024
62
63
HMMT Feb 2025
61
65
BRUMO 2025
63
85
MATH-500
72

Frequently Asked Questions

Which is better, GLM-4.7-Flash or Seed 1.6 Flash?

GLM-4.7-Flash is ahead overall, 62 to 56. The biggest single separator in this matchup is LiveCodeBench, where the scores are 45 and 25.

Which is better for knowledge tasks, GLM-4.7-Flash or Seed 1.6 Flash?

GLM-4.7-Flash has the edge for knowledge tasks in this comparison, averaging 54.1 versus 47.3. Inside this category, HLE is the benchmark that creates the most daylight between them.

Which is better for coding, GLM-4.7-Flash or Seed 1.6 Flash?

GLM-4.7-Flash has the edge for coding in this comparison, averaging 45.9 versus 27.6. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.

Which is better for math, GLM-4.7-Flash or Seed 1.6 Flash?

GLM-4.7-Flash has the edge for math in this comparison, averaging 74 versus 67.1. Inside this category, MATH-500 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GLM-4.7-Flash or Seed 1.6 Flash?

GLM-4.7-Flash has the edge for reasoning in this comparison, averaging 69.7 versus 66.8. Inside this category, BBH is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GLM-4.7-Flash or Seed 1.6 Flash?

GLM-4.7-Flash has the edge for agentic tasks in this comparison, averaging 61.3 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, GLM-4.7-Flash or Seed 1.6 Flash?

Seed 1.6 Flash has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 versus 62.5. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, GLM-4.7-Flash or Seed 1.6 Flash?

GLM-4.7-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, GLM-4.7-Flash or Seed 1.6 Flash?

GLM-4.7-Flash has the edge for multilingual tasks in this comparison, averaging 81.8 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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