Riven-Fast vs Riven-Spark: API Pricing Compared

Side-by-side API pricing and capabilities for Riven-Fast and Riven-Spark. Both are available through Riven behind one OpenAI-compatible endpoint — at vendor list price with transparent per-token pricing, or a flat $3 per million tokens on pay-as-you-go.

Riven-FastRiven-Spark
Input price ($/1M tokens)$0.91$0.91
Output price ($/1M tokens)$2.73$2.73
Vendorrivenriven
Capabilitieschat, fastchat, classify, extract, summarize

Model pages: Riven-Fast · Riven-Spark

FAQ

Which is cheaper, Riven-Fast or Riven-Spark?

On Riven both are billed at vendor list price with transparent per-token pricing: Riven-Fast is $0.91/1M input and $2.73/1M output; Riven-Spark is $0.91/1M input and $2.73/1M output. On the pay-as-you-go plan, every model is a flat $3 per million tokens.

Can I use Riven-Fast and Riven-Spark with one API key?

Yes. One Riven key reaches both models through the same OpenAI-compatible endpoint, so you can A/B them by changing only the model id.

Is there a markup on these prices?

No. Riven lists these models at vendor list price with transparent per-token pricing. Pay-as-you-go users instead pay a flat $3 per million tokens across every model.