Claude Sonnet 4 vs ERNIE 4.5 300B A47B
Compare Claude Sonnet 4 by Anthropic against ERNIE 4.5 300B A47B by Baidu, context windows of 200K vs 123K, tested across 53 shared challenges.
Our Verdict
Claude Sonnet 4
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
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
48%
Claude Sonnet 4 uses 6.0x more sentence length
Claude Sonnet 4
ERNIE 4.5 300B A47B
62%Vocabulary56%
111wSentence Length18w
0.40Hedging0.63
5.0Bold5.3
9.3Lists4.3
0.88Emoji0.94
2.16Headings0.67
0.33Transitions0.15
Based on 17 + 27 text responses
Research
What we learned reading every model
FAQ
