What is the difference between Claude Sonnet 4.5 and ERNIE 4.5 300B A47B?

Claude Sonnet 4.5 is developed by Anthropic while ERNIE 4.5 300B A47B is developed by Baidu. Claude Sonnet 4.5 has a 200K token context window vs ERNIE 4.5 300B A47B's 123K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or ERNIE 4.5 300B A47B?

It depends on your use case. Claude Sonnet 4.5 and ERNIE 4.5 300B A47B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to ERNIE 4.5 300B A47B?

Claude Sonnet 4.5 costs $3/M input tokens and ERNIE 4.5 300B A47B costs $0.28/M input tokens. ERNIE 4.5 300B A47B is $2.72/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Sonnet 4.5 and ERNIE 4.5 300B A47B on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 and ERNIE 4.5 300B A47B across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Sep 2025

Claude Sonnet 4.5vsERNIE 4.5 300B A47B

ERNIE 4.5 300B A47B is cheaper than Claude Sonnet 4.5 at $0.28/M vs $3/M input tokens.

Claude Sonnet 4.5 and ERNIE 4.5 300B A47B compared across 42 shared prompts
Spec	Claude Sonnet 4.5	ERNIE 4.5 300B A47B
Input price	$3/M tokens	$0.28/M tokens
Output price	$15/M tokens	$1.1/M tokens
Context window	200K tokens	123K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2025	Jun 2025