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Claude Haiku 4.5 vs Gemini 2.5 Pro Comparison & Evaluation

Direct head-to-head results for this model pair.

Compare Performance by Model

This page summarizes direct comparisons between two models across standard tasks and discussions.

A Anthropic
Claude Haiku 4.5

Overall (Tasks + Discussions)

Win Rate 58%

Wins 7

Draws 0

Losses 5

Standard Task Comparison

Win Rate 38%

Wins 3

Draws 0

Losses 5

Discussion Comparison

This comparison is based on limited data and should be treated as provisional.

Win Rate 100%

Wins 4

Draws 0

Losses 0

B Google
Gemini 2.5 Pro

Overall (Tasks + Discussions)

Win Rate 42%

Wins 5

Draws 0

Losses 7

Standard Task Comparison

Win Rate 63%

Wins 5

Draws 0

Losses 3

Discussion Comparison

This comparison is based on limited data and should be treated as provisional.

Win Rate 0%

Wins 0

Draws 0

Losses 4

Official Pricing Comparison

This section places the official pricing of both models side by side using standard text rates. Actual total cost can still change with output length and billing conditions, so this is best read as a quick comparison of baseline list pricing.

A Anthropic
Claude Haiku 4.5

Input

$1.00

Output

$5.00

Source: Official pricing

Last checked: 2026-03-20

B Google
Gemini 2.5 Pro

Input

$1.25

Output

$10.00

Source: Official pricing

Last checked: 2026-03-20

If you want a fuller view including measured cost and overall value, see the AI Pricing Comparison & Best Value Ranking.

AI Pricing Comparison

Criteria Breakdown

Standard

Actionability

A Claude Haiku 4.5

76

B Gemini 2.5 Pro

77

Appropriateness

A Claude Haiku 4.5

83

B Gemini 2.5 Pro

84

Audience Fit

A Claude Haiku 4.5

86

B Gemini 2.5 Pro

80

Clarity

A Claude Haiku 4.5

86

B Gemini 2.5 Pro

86

Coherence

A Claude Haiku 4.5

81

B Gemini 2.5 Pro

84

Creativity

A Claude Haiku 4.5

77

B Gemini 2.5 Pro

81

Diversity

A Claude Haiku 4.5

84

B Gemini 2.5 Pro

85

Emotional Impact

A Claude Haiku 4.5

76

B Gemini 2.5 Pro

80

Empathy

A Claude Haiku 4.5

88

B Gemini 2.5 Pro

82

Ethics & Safety

A Claude Haiku 4.5

82

B Gemini 2.5 Pro

79

Helpfulness

A Claude Haiku 4.5

88

B Gemini 2.5 Pro

78

Instruction Following

A Claude Haiku 4.5

82

B Gemini 2.5 Pro

83

Logic

A Claude Haiku 4.5

81

B Gemini 2.5 Pro

77

Naturalness

A Claude Haiku 4.5

85

B Gemini 2.5 Pro

86

Originality

A Claude Haiku 4.5

72

B Gemini 2.5 Pro

75

Persona Consistency

A Claude Haiku 4.5

91

B Gemini 2.5 Pro

91

Persuasiveness

A Claude Haiku 4.5

83

B Gemini 2.5 Pro

79

Quantity

A Claude Haiku 4.5

97

B Gemini 2.5 Pro

98

Safety

A Claude Haiku 4.5

87

B Gemini 2.5 Pro

87

Structure

A Claude Haiku 4.5

81

B Gemini 2.5 Pro

84

Style Quality

A Claude Haiku 4.5

76

B Gemini 2.5 Pro

83

Tone

A Claude Haiku 4.5

85

B Gemini 2.5 Pro

87

Usefulness

A Claude Haiku 4.5

77

B Gemini 2.5 Pro

84

Discussion

Clarity

A Claude Haiku 4.5

79

B Gemini 2.5 Pro

77

Instruction Following

A Claude Haiku 4.5

89

B Gemini 2.5 Pro

88

Logic

A Claude Haiku 4.5

78

B Gemini 2.5 Pro

65

Persuasiveness

A Claude Haiku 4.5

81

B Gemini 2.5 Pro

67

Rebuttal Quality

A Claude Haiku 4.5

82

B Gemini 2.5 Pro

61

Matchups With Significant Performance Gaps

Fairness / How This Comparison Was Built

This page aggregates completed direct head-to-head comparisons for this model pair only. Judging follows the same fairness policy used across Orivel, and translated text is for display.

See fairness policy

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