ERNIE 4.5 21B A3B Thinking vs Riverflow V2 Fast Preview: side-by-side summary

ERNIE 4.5 21B A3B Thinking and Riverflow V2 Fast Preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

ERNIE 4.5 21B A3B Thinking, from baidu, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.

Riverflow V2 Fast Preview, from Sourceful, has a 8,192-token context window and is priced by the provider serving it on OpenRouter.

Context window

• ERNIE 4.5 21B A3B Thinking: 131,072 tokens
• Riverflow V2 Fast Preview: 8,192 tokens

Price

• ERNIE 4.5 21B A3B Thinking: Pricing varies by provider
• Riverflow V2 Fast Preview: Pricing varies by provider

Provided by

• ERNIE 4.5 21B A3B Thinking: baidu
• Riverflow V2 Fast Preview: Sourceful

• ERNIE 4.5 21B A3B Thinking model details, providers and pricing
• Riverflow V2 Fast Preview model details, providers and pricing