benchlm.ai

Claude Haiku 4.5 vs Gemini 3 Flash

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

Quick Verdict

Gemini 3 Flash wins overall with a score of 58 vs 57 (1 point difference).Gemini 3 Flash wins 4 out of 4 categories.

Claude Haiku 4.5

CreatorAnthropic
TypeProprietary
Context200K
Score57

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

Knowledge

Gemini 3 Flash

Claude Haiku 4.5

65.8

Gemini 3 Flash

67.8

68
MMLU
70
67
GPQA
69
65
SuperGPQA
67
63
OpenBookQA
65

Coding

Gemini 3 Flash

Claude Haiku 4.5

60

Gemini 3 Flash

62

60
HumanEval
62

Mathematics

Gemini 3 Flash

Claude Haiku 4.5

67

Gemini 3 Flash

69

68
AIME 2023
70
70
AIME 2024
72
69
AIME 2025
71
64
HMMT Feb 2023
66
66
HMMT Feb 2024
68
65
HMMT Feb 2025
67
67
BRUMO 2025
69

Reasoning

Gemini 3 Flash

Claude Haiku 4.5

64

Gemini 3 Flash

66

65
SimpleQA
67
63
MuSR
65

Frequently Asked Questions

Which is better, Claude Haiku 4.5 or Gemini 3 Flash?

Gemini 3 Flash scores higher overall with 58 vs 57, a difference of 1 points across all benchmarks.

Which is better for knowledge tasks, Claude Haiku 4.5 or Gemini 3 Flash?

Gemini 3 Flash leads in knowledge tasks with an average score of 67.8 vs 65.8.

Which is better for coding, Claude Haiku 4.5 or Gemini 3 Flash?

Gemini 3 Flash leads in coding with an average score of 62 vs 60.

Which is better for math, Claude Haiku 4.5 or Gemini 3 Flash?

Gemini 3 Flash leads in math with an average score of 69 vs 67.

Which is better for reasoning, Claude Haiku 4.5 or Gemini 3 Flash?

Gemini 3 Flash leads in reasoning with an average score of 66 vs 64.

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