Claude Opus 4.1 vs ERNIE 4.5 300B A47B
Compare Claude Opus 4.1 by Anthropic against ERNIE 4.5 300B A47B by Baidu, context windows of 200K vs 123K, tested across 53 shared challenges. Updated May 2026.
Which is better, Claude Opus 4.1 or ERNIE 4.5 300B A47B?
Claude Opus 4.1 and ERNIE 4.5 300B A47B are both competitive models. Claude Opus 4.1 costs $15/M input tokens vs $0.28/M for ERNIE 4.5 300B A47B. Context windows: 200K vs 123K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.1 and ERNIE 4.5 300B A47B
Claude Opus 4.1 is made by anthropic while ERNIE 4.5 300B A47B is from baidu. Claude Opus 4.1 has a 200K token context window compared to ERNIE 4.5 300B A47B's 123K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $0.28/M for ERNIE 4.5 300B A47B.
Per 1M tokens
ERNIE 4.5 300B A47B is cheaper on both — 54× input, 68× output
No community votes yet. On paper, Claude Opus 4.1 has the edge — newer, bigger context window, major provider backing.
ERNIE 4.5 300B A47B is 68x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4.1 uses 4.7x more sentence length
