AI API Router Directory

no-auth access — no key or sign-in required. Authentication is owned by the official Devin CLI in its isolated bridge volume. This entry is an access surface/agent — it routes to third-party models rather than hosting its own.

A free tier is available; the exact credit value is not quantified.

Dola (dola.com) — ByteDance's international AI chat assistant (international Doubao) serving the Doubao Seed model family. Unofficial browser/cookie integration.

A free tier is available; the exact credit value is not quantified.

Doubao (by Bytedance/Volcengine) provides a suite of models including the high-performance Doubao-Pro and Lite series. It is a major Chinese cloud provider with native API endpoints. Details were checked against the provider's own page at www.volcengine.com.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.

Duck.ai is DuckDuckGo's free, private AI chat (also surfaced at duckduckgo.com/duckchat). It requires no account and offers chat, voice, image, and search across models including OpenAI GPT (e.g., '5.6 Luna') and Claude.

Free anonymous chat; an 'Upgrade'/Pro option exists but pricing not quantified on fetched pages.

Empower provides an AI API router with an OpenAI-compatible endpoint. It focuses on bridging multiple model providers (Llama, etc.) through a single gateway for standard clients and SDKs. Details were checked against the provider's own page at docs.empower.dev.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.

Factory provides the 'Autonomy Stack' for enterprise engineering teams, featuring autonomous 'Droids' that code, review PRs, and manage wikis. It offers model routing across 200+ models. Details were checked against the provider's own page at factory.ai.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.

fal.ai runs a generative-media model API: 1,000+ endpoints across image, video, audio and 3D behind one queue-based HTTP interface, called with the same request/response shape from Python, JavaScript or raw HTTP. Pricing is per output rather than per token, as published on its pricing page: $0.03 per Seedream V4 image, $0.04 per Flux Kontext Pro image, $0.02 per megapixel for Qwen image, $0.05 per second of Wan 2.5 video, $0.07 per second of Kling 2.5 Turbo Pro and $0.40 per second of Veo 3 video. Dedicated GPU capacity is listed at $4.50/hr for H100 (as low as $1.89/hr), $4.50/hr for H200, $6.25/hr for B200 and $8.50/hr for B300. There is no free token allowance: fal runs on a prepaid credit balance that funds both model usage and the account's concurrency limit.

No free tier stated on official pages (checked 2026-09-16): fal.ai/pricing and the Model APIs pricing docs describe only prepaid credits, with no starter credit or free allowance.

Featherless AI provides serverless access to LLMs and agent runtimes. It offers subscription-based 'Chat' plans with unlimited tokens and credit-based 'Developer' plans for API usage. Details were checked against the provider's own page at featherless.ai.

Free tier available — no credit card required

Felo (felo.ai) is a free, no-signup multilingual AI search and creation platform for chat, web search, and content generation. It exposes frontier models (e.g., GPT-6 Astra) and offers a paid Pro tier for heavier usage.

Free no-signup tier; Pro subscription pricing not quantified on fetched pages.

FenayAI is an AI API router and aggregator providing unified access to major models like GPT-6 Astra and Claude Fable. It features an OpenAI-compatible gateway with BYOK support. Details were checked against the provider's own page at fenayai.com.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.

Free.ai is an AI tool aggregator offering 477+ tools across chat, image, and video. It provides 30,000 free tokens daily for registered users and supports premium models like GPT-6 and Claude via paid plans. The platform features an in-browser IDE for deploying AI applications.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.

FreeAIAPIKey is a commercial aggregator that provides unified access to frontier models including GPT-5.1, Claude 4.5, and Gemini 3 at claimed discounts of 80% off official rates. It offers a single OpenAI-compatible endpoint for easy drop-in replacement.

No public free-tier information found (researched 2026-08-29).

FreeInference (freeinference.org) is an OpenAI- and Anthropic-compatible inference API offering frontier open models free of charge to the research community, with no credit card required at signup. It is presented as built at Harvard SEAS (MadSys Lab) and lists NVIDIA and Harvard SEAS as sponsors. The quota is described only as a "generous quota for research and prototyping"; no numeric limit is published, and the /pricing and /limits paths both return 404. The site carries a banner warning that GLM, Minimax and Kimi will be discontinued on Oct 1, and on Aug 11, 2026 it announced that new account onboarding is paused because the service is at capacity.

No free tier stated on official pages (checked 2026-09-16): freeinference.org offers a free account with a "Generous quota for research and prototyping" but publishes no dollar or token figure, and freeinference.org/pricing returns 404.

Freebuff is a specialized AI API relay often associated with developer automation and coding tools. It provides programmatic access to high-end models for free or via community-shared keys, primarily aimed at script-based integration and tool builders.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.

FriendliAI is a high-performance AI inference platform specializing in serving frontier open-weight models like GLM, DeepSeek, and Llama with industry-leading speed. It offers serverless Model APIs, dedicated GPU endpoints, and on-premise containers.

Free tier for serverless inference — no credit card required

Fuka API is a comprehensive AI API infrastructure provider offering a unified gateway to a vast selection of models via the New-API protocol. It supports high concurrency, transparent pay-as-you-go billing, and multi-protocol compatibility for developers and teams.

e7ai posts (2026-06/07): '芙芙卡' api.fuka.win gives signup credit ('注册就送100') + check-in; operator routerpark listing says '注册送150'. Amount/currency unverified; no free-priced models in /api/status.

Zhipu AI's GLM platform (bigmodel.cn, also served at open.bigmodel.cn) sells model access per token in CNY and bundles agentic coding into a separate GLM Coding Plan. The official pricing page lists GLM-5.3 at 8 yuan per million input tokens, 2 yuan per million cached tokens and 28 yuan per million output tokens with a 1M-token context, and GLM-5.3-Flash at 0.8 / 0.23 / 2.8 yuan. New accounts receive 20 million free tokens on registration, and the text model GLM-4.7-Flash (200K context) and vision model GLM-4.6V-Flash are listed as free for input, output and cache. The GLM Coding Plan shows 118 yuan/month (Lite), 538 yuan/month (Pro) and 1078 yuan/month (Max), with discounted continuous-subscription prices of 94.4 / 430.4 / 862.4 yuan and quarterly billing at 8-fold and annual at 7-fold discounts.

Free grant is 20,000,000 GLM tokens for new registrations (tokens, not currency), stated on bigmodel.cn/pricing and bigmodel.cn/claude-code; GLM-4.7-Flash and GLM-4.6V-Flash are additionally free per token.

Galadriel was a decentralized AI inference platform. As of 2026, the service appears to be discontinued, with the primary API endpoint (api.galadriel.ai) no longer resolving. Details were checked against the provider's own page at galadriel.com.

No free tier — the source marks this service as deprecated/discontinued.

Gemini for business is delivered through Google Workspace rather than as a standalone AI SKU: Gemini is included in every Workspace plan, from Starter at $7.00 per user per month (with a $5.60 introductory rate) through Business Standard at $14 per user per month on annual terms ($16.80 billed monthly) and Business Plus at $17.60 annual ($22.00 monthly), with 14-day free trials and no-commitment monthly billing. The Enterprise tier is quote-based ('Let's talk', contact sales) and adds agent management via Gemini Enterprise, agent governance, AI-powered DLP, digital sovereignty controls, eDiscovery and no minimum or maximum user limits. Standard seats include 2 TB pooled storage per user, AI in Gmail/Drive/Sheets/Meet/Vids, Gemini Notebook and Studio workflow automation.

Google offers a 14-day Google Workspace trial at no cost ('No cost for 14 days') with promotional discounts, but no dollar credit or Gemini allowance is stated on the official pricing or AI pages (checked 2026-09-16).

The Gemini app is free with a personal Google Account at 'standard limits'; Google's help centre states Gemini Apps use compute-based usage limits that refresh every 5 hours until a weekly limit is reached. Free accounts get a 32k-token context window and access to Gemini Flash-Lite, Flash and Pro models, while paid tiers raise limits (Google AI Plus 2x at $4.99/mo, AI Pro 4x at $19.99/mo, AI Ultra 5x or 20x at $99.99 and $199.99/mo) and lift the context window to 1M tokens on Pro and Ultra.

No monetary credit accompanies the free Gemini tier; Google states free access has 'standard limits' with a 32k-token context window, while paid Google AI plans are $4.99/mo (Plus), $19.99/mo (Pro) and from $99.99/mo (Ultra, 5x and 20x variants).

GigaChat is an AI model series developed by Sberbank, optimized for the Russian language and multimodal tasks. It provides a robust API for developers featuring both chat and reasoning capabilities, primarily targeting the Russian AI ecosystem.

No public free-tier information found (researched 2026-08-29).

GitHub Models was GitHub's hosted model playground, model catalog, inference API and bring-your-own-key service, and GitHub previously presented it as separate from GitHub Copilot. GitHub's official documentation now states that as of July 30, 2026, GitHub Models has been fully retired: the playground, model catalog, inference API and BYOK are no longer available to any customer. The same page directs users needing model access to Azure AI Foundry and users wanting AI workflows on GitHub to GitHub Copilot.

No free tier stated on official pages; GitHub Models was fully retired on July 30, 2026 with no playground, catalog, inference API or BYOK access remaining (checked 2026-09-16).

OAuth access — sign-in with your existing account. GitLab Duo OAuth is not configured. Register an OAuth application at https://gitlab.com/-/profile/applications with redirect URI http://localhost:20128/callback and scopes "ai_features read_user", the This entry is an access surface/agent — it routes to third-party models rather than hosting its own.

A free tier is available; the exact credit value is not quantified.

Opengateway (by Gitlawb) is a pay-as-you-go inference gateway providing unified OpenAI- and Anthropic-compatible access to models from Xiaomi MiMo, Google, MiniMax, and Qwen. It features smart routing via 'model: auto' and a permanent free tier for Nemotron 3 Ultra.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.