Claude Sonnet 4.5 vs ERNIE 4.5 300B A47B
Compare Claude Sonnet 4.5 by Anthropic against ERNIE 4.5 300B A47B by Baidu, context windows of 200K vs 123K, tested across 42 shared challenges.
Our Verdict
Claude Sonnet 4.5
ERNIE 4.5 300B A47B
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
ERNIE 4.5 300B A47B is 14x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 4.5
Input
$3.00
Output
$15.00
ERNIE 4.5 300B A47B
Input
$0.28
11× cheaper
Output
$1.10
14× cheaper
ERNIE 4.5 300B A47B is cheaper on both — 11× input, 14× output
Writing DNA
Style Comparison
Similarity
44%
Claude Sonnet 4.5 uses 5.1x more sentence length
Claude Sonnet 4.5
ERNIE 4.5 300B A47B
64%Vocabulary56%
94wSentence Length18w
0.48Hedging0.63
4.9Bold5.3
8.0Lists4.3
0.45Emoji0.94
1.91Headings0.67
0.07Transitions0.15
Based on 20 + 27 text responses
Research
What we learned reading every model
FAQ
