o3 Deep Research vs Riverflow V2 Fast Preview: side-by-side summary

o3 Deep Research 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.

o3 Deep Research, from OpenAI, has a 200,000-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

• o3 Deep Research: 200,000 tokens
• Riverflow V2 Fast Preview: 8,192 tokens

Price

• o3 Deep Research: Pricing varies by provider
• Riverflow V2 Fast Preview: Pricing varies by provider

Provided by

• o3 Deep Research: OpenAI
• Riverflow V2 Fast Preview: Sourceful

• o3 Deep Research model details, providers and pricing
• Riverflow V2 Fast Preview model details, providers and pricing