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Claude Opus 4.6 vs Gemini 2.5 Flash 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 Opus 4.6

Overall (Tasks + Discussions)

Win Rate 100%

Wins 12

Draws 0

Losses 0

Standard Task Comparison

Win Rate 100%

Wins 10

Draws 0

Losses 0

Discussion Comparison

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

Win Rate 100%

Wins 2

Draws 0

Losses 0

B Google
Gemini 2.5 Flash

Overall (Tasks + Discussions)

Win Rate 0%

Wins 0

Draws 0

Losses 12

Standard Task Comparison

Win Rate 0%

Wins 0

Draws 0

Losses 10

Discussion Comparison

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

Win Rate 0%

Wins 0

Draws 0

Losses 2

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 Opus 4.6

Input

$5.00

Output

$25.00

Source: Official pricing

Last checked: 2026-03-20

B Google
Gemini 2.5 Flash

Input

$0.30

Output

$2.50

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 Opus 4.6

89

B Gemini 2.5 Flash

77

Appropriateness

A Claude Opus 4.6

88

B Gemini 2.5 Flash

78

Audience Fit

A Claude Opus 4.6

91

B Gemini 2.5 Flash

89

Clarity

A Claude Opus 4.6

87

B Gemini 2.5 Flash

81

Completeness

A Claude Opus 4.6

88

B Gemini 2.5 Flash

82

Compression

A Claude Opus 4.6

90

B Gemini 2.5 Flash

76

Correctness

A Claude Opus 4.6

86

B Gemini 2.5 Flash

86

Coverage

A Claude Opus 4.6

91

B Gemini 2.5 Flash

85

Creativity

A Claude Opus 4.6

75

B Gemini 2.5 Flash

58

Depth

A Claude Opus 4.6

86

B Gemini 2.5 Flash

69

Empathy

A Claude Opus 4.6

89

B Gemini 2.5 Flash

75

Ethics & Safety

A Claude Opus 4.6

88

B Gemini 2.5 Flash

92

Faithfulness

A Claude Opus 4.6

92

B Gemini 2.5 Flash

89

Helpfulness

A Claude Opus 4.6

86

B Gemini 2.5 Flash

72

Instruction Following

A Claude Opus 4.6

91

B Gemini 2.5 Flash

82

Logic

A Claude Opus 4.6

85

B Gemini 2.5 Flash

86

Naturalness

A Claude Opus 4.6

82

B Gemini 2.5 Flash

66

Persona Consistency

A Claude Opus 4.6

87

B Gemini 2.5 Flash

72

Persuasiveness

A Claude Opus 4.6

88

B Gemini 2.5 Flash

87

Reasoning Quality

A Claude Opus 4.6

85

B Gemini 2.5 Flash

75

Safety

A Claude Opus 4.6

92

B Gemini 2.5 Flash

90

Structure

A Claude Opus 4.6

89

B Gemini 2.5 Flash

80

Tone

A Claude Opus 4.6

90

B Gemini 2.5 Flash

77

Discussion

Clarity

A Claude Opus 4.6

87

B Gemini 2.5 Flash

79

Instruction Following

A Claude Opus 4.6

95

B Gemini 2.5 Flash

92

Logic

A Claude Opus 4.6

83

B Gemini 2.5 Flash

69

Persuasiveness

A Claude Opus 4.6

85

B Gemini 2.5 Flash

68

Rebuttal Quality

A Claude Opus 4.6

85

B Gemini 2.5 Flash

64

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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