Claude Haiku 4.5 vs Qwen3.5 397B

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

Quick Verdict

Qwen3.5 397B wins overall with a score of 65 vs 57 (8 point difference).Qwen3.5 397B wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B

Claude Haiku 4.5

65.8

Qwen3.5 397B

80.8

68
MMLU
83
67
GPQA
82
65
SuperGPQA
80
63
OpenBookQA
78

Coding

Qwen3.5 397B

Claude Haiku 4.5

60

Qwen3.5 397B

75

60
HumanEval
75

Mathematics

Qwen3.5 397B

Claude Haiku 4.5

67

Qwen3.5 397B

82

68
AIME 2023
83
70
AIME 2024
85
69
AIME 2025
84
64
HMMT Feb 2023
79
66
HMMT Feb 2024
81
65
HMMT Feb 2025
80
67
BRUMO 2025
82

Reasoning

Qwen3.5 397B

Claude Haiku 4.5

64

Qwen3.5 397B

79

65
SimpleQA
80
63
MuSR
78

Frequently Asked Questions

Which is better, Claude Haiku 4.5 or Qwen3.5 397B?

Qwen3.5 397B scores higher overall with 65 vs 57, a difference of 8 points across all benchmarks.

Which is better for knowledge tasks, Claude Haiku 4.5 or Qwen3.5 397B?

Qwen3.5 397B leads in knowledge tasks with an average score of 80.8 vs 65.8.

Which is better for coding, Claude Haiku 4.5 or Qwen3.5 397B?

Qwen3.5 397B leads in coding with an average score of 75 vs 60.

Which is better for math, Claude Haiku 4.5 or Qwen3.5 397B?

Qwen3.5 397B leads in math with an average score of 82 vs 67.

Which is better for reasoning, Claude Haiku 4.5 or Qwen3.5 397B?

Qwen3.5 397B leads in reasoning with an average score of 79 vs 64.