Claude Haiku 4.5vsGemini 2.5 Flash Preview
Gemini 2.5 Flash Preview is cheaper than Claude Haiku 4.5 at $0.15/M vs $1/M input tokens.
| Spec | Claude Haiku 4.5 | Gemini 2.5 Flash Preview |
|---|---|---|
| Input price | $1/M tokens | $0.15/M tokens |
| Output price | $5/M tokens | $0.6/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Released | Oct 2025 | Apr 2025 |
| SWE-bench Verified | 73.3% | 60.4% |
Our Verdict
Claude Haiku 4.5
Gemini 2.5 Flash PreviewRunner-up
Not enough votes to call it. On the specs, Claude Haiku 4.5 has the edge: bigger model tier, newer.
Gemini 2.5 Flash Preview costs 8.3x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Haiku 4.5
Input
$1.00
Output
$5.00
Gemini 2.5 Flash Preview
Input
$0.15
6.7× cheaper
Output
$0.60
8.3× cheaper
Gemini 2.5 Flash Preview is cheaper on both — 6.7× input, 8.3× output
Writing DNA
Style Comparison
Similarity
32%
Claude Haiku 4.5 uses 20.4x more emoji
Claude Haiku 4.5
Gemini 2.5 Flash Preview
61%Vocabulary51%
47wSentence Length15w
0.64Hedging0.70
5.1Bold4.1
6.3Lists3.3
0.20Emoji0.00
2.46Headings0.09
0.17Transitions0.24
Based on 24 + 12 text responses
Research
What we learned reading every model
FAQ
Common questions
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