Claude Sonnet 3.6 (2022-10-22)vsClaude Haiku 4.5
Claude Haiku 4.5 is cheaper than Claude Sonnet 3.6 (2022-10-22) at $1/M vs $3/M input tokens.
| Spec | Claude Sonnet 3.6 (2022-10-22) | Claude Haiku 4.5 |
|---|---|---|
| Input price | $3/M tokens | $1/M tokens |
| Output price | $15/M tokens | $5/M tokens |
| Context window | 200K tokens | 200K tokens |
| Released | Jun 2024 | Oct 2025 |
| SWE-bench Verified | 49.0% | 73.3% |
Our Verdict
Claude Sonnet 3.6 (2022-10-22)
Claude Haiku 4.5
Not enough votes to call it. On the specs, nothing separates them.
Claude Haiku 4.5 costs 3.0x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
Claude Haiku 4.5
Input
$1.00
3.0× cheaper
Output
$5.00
3.0× cheaper
Claude Haiku 4.5 is cheaper on both — 3.0× input, 3.0× output
Writing DNA
Style Comparison
Similarity
71%
Claude Haiku 4.5 uses 20.4x more emoji
Claude Sonnet 3.6 (2022-10-22)
Claude Haiku 4.5
67%Vocabulary61%
64wSentence Length47w
0.70Hedging0.64
0.3Bold5.1
8.1Lists6.3
0.00Emoji0.20
0.05Headings2.46
0.07Transitions0.17
Based on 26 + 24 text responses
Research
What we learned reading every model
FAQ
Common questions
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