How do most AI SaaS tools charge (credits vs monthly subscriptions)?

Most modern AI SaaS tools use hybrid pricing: an entry-level monthly subscription that includes a fixed monthly credit quota, paired with pay-as-you-go top-ups for high-volume LLM inference and generation.

Can I find free and open-source AI tools on SaaSearch?

Yes. You can filter listings by pricing model (Free, Freemium, or Paid) and tech stack. Many makers provide 100% free open-source tiers with self-hosting instructions and MIT licenses.

How are MRR and user counts verified for AI startups?

SaaSearch integrates directly with Stripe and Paddle telemetry to verify recurring monthly revenue, growth velocity, and active users, ensuring figures are authentic rather than estimated.

How can AI developers launch their product on SaaSearch?

Founders can submit their AI application for free. Once you add the verified SaaSearch launch badge to your homepage, your listing is published immediately to today's launch leaderboard with zero queue delay.

SaaSearch - The Search Engine for SaaS and AI products

32 products for Open source AI Gateway (0.47 seconds)

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https://resume-builder.cv›hr & hiring›Resume Builder CV

Resume Builder CV: Supercharge your resume with an AI co-pilot and live ATS score checker.

Resume Builder CV is a free AI tool for job seekers, from freshers to professionals, enabling quick creation of ATS-optimized resumes. It... Read more

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Resume Builder AI Assistant Job Search

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Experiential Labs

https://experientiallabs.ai›developer tools›Experiential Labs

Experiential Labs: The open source AI gateway: one key for every model, zero markup. - result 1

Sep 6, 2026 - Experiential Labs is an open-source AI gateway providing unified access to all AI models via a single API key, eliminating vendor lock-in and... Read more

5.0(1)1upvote

AI Gateway API Management AI Optimization

1experientiallabs

Pen

https://pen.dev›design & creative›Pen

Pen: An agentic canvas for building bold software. - result 2

Sep 17, 2026 - Pen is an innovative agentic canvas designed for rapidly building and prototyping software. It allows users to import components from any app,... Read more

5.0(1)1upvote

AI Design UI/UX Design Prototyping

1pen

LLM Gateway

https://llmgateway.io›ai & automation›LLM Gateway

LLM Gateway is an open-source API gateway for Large Language Models (LLMs). It acts as a middleware between your appl... - result 3

May 15, 2026 - LLM Gateway is an open-source API gateway for Large Language Models (LLMs). It acts as a middleware between your applications and various LLM... Read more

5.0(103)824upvotes$231k MRR+57.1% MoM

AI & Automation Micro-SaaS

103llmgateway

ComputeSDK

https://computesdk.com›developer tools›ComputeSDK

ComputeSDK: Compare AI models and pricing across leading gateways. - result 4

Sep 18, 2026 - ComputeSDK offers an AI Gateway Benchmarks tool that unifies model listings and pricing from various public AI gateway endpoints into a single,... Read more

5.0(1)1upvote

AI Gateways AI Models Pricing Comparison

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Seams

https://ourseams.com›developer tools›Seams

Seams: Build a custom gateway and portal for your AI product. - result 5

Sep 9, 2026 - Seams is a platform designed for AI product developers to rapidly deploy and manage a custom gateway and customer-facing portal for their AI... Read more

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Viaduct

https://c4.quietgridlabs.com›developer tools›Viaduct

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Sep 7, 2026 - Viaduct is an innovative C4 modeling tool designed to help software development teams create, maintain, and interact with live architecture... Read more

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Cortex

https://cortexdocs.dev›developer tools›Cortex

Cortex: The open-source API knowledge layer for developers and AI agents. - result 7

Sep 14, 2026 - Cortex is an open-source platform designed to unify and streamline API delivery by transforming various API specifications (OpenAPI, GraphQL,... Read more

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Resume Builder CV is a free AI tool for job seekers, from freshers to professionals, enabling quick creation of ATS-optimized resumes. It features an interactive AI co-pilot for dynamic drafting, rewriting, and tailoring, eliminating manual editing and formatting hassles for better job application success. Key Features & Capabilities: • Interactive AI co-pilot • Live ATS score checker • ATS-optimized resume creation • Eliminates manual editing & formatting

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