How do their growth rates compare?

FlexAI has a month-over-month growth rate of +17.9%; Rivet.dev has -44.3%.

How does pricing compare?

FlexAI: Freemium, Paid, Contact for Pricing. Pay-as-you-go serverless pricing (per token for text; per image, audio or video minute for media) with a free playground, plus dedicated GPU and private-cloud plans quoted on request. Startup credits and discounts available. Rivet.dev: Freemium, Contact for Pricing. Rivet Cloud uses a plan-plus-nodes model. The control plane is Free ($0) for prototyping, Hobby at $10/month, Team at $120/month, and Enterprise at $900/month, each raising control-plane redundancy, Actor Node caps, and support. Actor Nodes are billed per month on top, from $4.20 (R-5) to $94.50 (R-160). Self-hosting is free and open source under Apache 2.0, and startups from Y Combinator or a16z Speedrun get 50% off the Team plan for 12 months.

What are alternatives to FlexAI and Rivet.dev?

Other tools in related categories include Groq, RunPod, Together AI, Modal, MyClaw.

FlexAI vs Rivet.dev — Traffic (44.31K vs 21.36K), Pricing & Verdict

Open AI Tools

FlexAI vs Rivet.dev — Traffic (44.31K vs 21.36K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	FlexAI	Rivet.dev
Official Domain	flex.ai	rivet.dev
Pricing Model	Freemium, Paid, Contact for Pricing	Freemium, Contact for Pricing
Monthly Visits	44.31K (44,314)	21.36K (21,359)
MoM Traffic Delta	+6.73K (+17.9%)	-16.97K (-44.3%)
Primary Market & Share	🇺🇸 United States (22.5%)	🇺🇸 United States (39.4%)
Direct Visits / mo	16.45K	10.71K
User Rating	4.2	4.5
Supported Platforms	Website	Website

FlexAI

Build, run and scale AI, from open models to governed agents

OpenAI-compatible model API

One API key and a drop-in OpenAI SDK replacement unlock 30+ open models across text, reasoning, coding, vision, embeddings, speech-to-text, text-to-speech, image and video.

AgentOS agent runtime

Run agents connected to company context and tools with scoped memory, tool permissions, human approvals and an auditable decision trail.

Dedicated GPUs and fine-tuning

Reserve NVIDIA, AMD or Tenstorrent capacity for VMs, fine-tuning and production inference when shared serverless endpoints are not enough.

Private and sovereign deployment

AI Factory supports VPC, on-premises and air-gapped installs, with zero data retention, an EU option, SOC 2 Type II and GDPR alignment.

Strengths & Pros

+Single OpenAI-compatible endpoint across text, vision, code, embeddings, speech, image and video models
+Clear path from serverless inference to dedicated GPUs to private or air-gapped clouds
+Zero data retention by default with SOC 2 Type II, GDPR alignment and an EU option
+Governed agent runtime with approvals, audit trails and scoped memory