Claude Haiku 4.5 vs DeepSeek Coder 2.0

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

Quick Verdict

DeepSeek Coder 2.0 wins overall with a score of 64 vs 57 (7 point difference).DeepSeek Coder 2.0 wins 4 out of 4 categories.

Knowledge

DeepSeek Coder 2.0

Claude Haiku 4.5

65.8

DeepSeek Coder 2.0

77.8

68
MMLU
80
67
GPQA
79
65
SuperGPQA
77
63
OpenBookQA
75

Coding

DeepSeek Coder 2.0

Claude Haiku 4.5

60

DeepSeek Coder 2.0

82

60
HumanEval
82

Mathematics

DeepSeek Coder 2.0

Claude Haiku 4.5

67

DeepSeek Coder 2.0

80

68
AIME 2023
81
70
AIME 2024
83
69
AIME 2025
82
64
HMMT Feb 2023
77
66
HMMT Feb 2024
79
65
HMMT Feb 2025
78
67
BRUMO 2025
80

Reasoning

DeepSeek Coder 2.0

Claude Haiku 4.5

64

DeepSeek Coder 2.0

77

65
SimpleQA
78
63
MuSR
76

Frequently Asked Questions

Which is better, Claude Haiku 4.5 or DeepSeek Coder 2.0?

DeepSeek Coder 2.0 scores higher overall with 64 vs 57, a difference of 7 points across all benchmarks.

Which is better for knowledge tasks, Claude Haiku 4.5 or DeepSeek Coder 2.0?

DeepSeek Coder 2.0 leads in knowledge tasks with an average score of 77.8 vs 65.8.

Which is better for coding, Claude Haiku 4.5 or DeepSeek Coder 2.0?

DeepSeek Coder 2.0 leads in coding with an average score of 82 vs 60.

Which is better for math, Claude Haiku 4.5 or DeepSeek Coder 2.0?

DeepSeek Coder 2.0 leads in math with an average score of 80 vs 67.

Which is better for reasoning, Claude Haiku 4.5 or DeepSeek Coder 2.0?

DeepSeek Coder 2.0 leads in reasoning with an average score of 77 vs 64.