GPT-5.2 Pro vs Riverflow V2 Max Preview: side-by-side summary

GPT-5.2 Pro and Riverflow V2 Max Preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-5.2 Pro, from OpenAI, has a 400,000-token context window and is priced at $21/M tokens input, $168/M tokens output on OpenRouter.

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

Context window

• GPT-5.2 Pro: 400,000 tokens
• Riverflow V2 Max Preview: 8,192 tokens

Price

• GPT-5.2 Pro: $21/M tokens input, $168/M tokens output
• Riverflow V2 Max Preview: Pricing varies by provider

Provided by

• GPT-5.2 Pro: OpenAI
• Riverflow V2 Max Preview: Sourceful

• GPT-5.2 Pro model details, providers and pricing
• Riverflow V2 Max Preview model details, providers and pricing