Riven-Instant vs Riven-Fast: API Pricing Compared

Side-by-side API pricing and capabilities for Riven-Instant and Riven-Fast. 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-InstantRiven-Fast
Input price ($/1M tokens)$0.91$0.91
Output price ($/1M tokens)$2.73$2.73
Vendorrivenriven
Capabilitieschat, fastchat, fast

Model pages: Riven-Instant · Riven-Fast

FAQ

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

On Riven both are billed at vendor list price with transparent per-token pricing: Riven-Instant is $0.91/1M input and $2.73/1M output; Riven-Fast 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-Instant and Riven-Fast 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.