AI API Router Directory

FastRouter is a high-performance gateway for AI model routing, comparison, and operations. It supports 200+ models via an OpenAI-compatible API with intelligent cost optimization and failover. Details were checked against the provider's own page at fastrouter.ai.

Free credits included to build, test and explore.

GitHub Copilot enterprise plans (Business/Enterprise) - AI coding assistant with AI-credit allowances (1,900 / 3,900 credits per user/mo), model choice across OpenAI, Anthropic, Google and select Moonshot models; Enterprise credits are org-pooled; overage at USD 0.01/credit. Copilot is not currently available for self-hosted GitHub Enterprise Server.

1 AI credit = USD 0.01; overage billed at USD 0.01 per credit.

Cursor is an AI code editor sold on self-serve plans: Hobby is free, the $20/month individual tier (listed as Individual on the pricing page and as Pro in the docs) adds extended Agent limits and frontier models, Pro Plus is $60/month, Ultra is $200/month, and Teams is $40/user/month Standard or $120/user/month Premium with Enterprise as custom. Hobby requires no credit card and lists limited Agent requests and access to Composer. Cursor states there are two usage pools - Cursor Models for Grok 4.6, Grok 4.5 and Composer 2.5, and Other Models for third-party models billed at API price - and that Teams and Enterprise add a $0.25 per million token Cursor Token Rate on third-party model requests.

Cursor Hobby is free with no credit card required, limited Agent requests and access to Composer (cursor.com/pricing, checked 2026-09-16).

GitHub Copilot is GitHub's AI coding assistant, sold to individuals as Free ($0), Pro ($10/user/month), Pro+ ($39/user/month) and Max ($100/user/month), and to organizations as Business ($19/user/month) and Enterprise ($39/user/month). The Free tier needs no credit card and lists 2,000 completions per month, access to Claude Haiku 4.5 and GPT-5 mini "and more", the Copilot CLI and community support; GitHub's own FAQ on the same page states Free users are limited to 2,000 completions and 50 chat requests per month, including Copilot Edits. Paid individual plans add unlimited code completion and next edit suggestions, cloud agent, code review, delegation to third-party agents (Claude Code and Codex), model selection and monthly GitHub AI Credits of $15 (Pro), $70 (Pro+) and $200 (Max).

GitHub Copilot Free is $0/user/month with 2,000 completions and 50 chat requests per month and no credit card required, stated on github.com/features/copilot/plans and its Free-plan FAQ (checked 2026-09-16).

Anthropic's Claude API is per-token with no free tier: Fable 5.1 $10/$50, Opus 5 $5/$25, Sonnet 5 $2/$10 and Haiku 4.5 $1/$5 per 1M in/out, with the full 1M-token context at standard pricing on 4.6+, a 50% batch discount, prompt-caching reads at 0.1× input (0.025× on Fable 5.1), 1.1× US-only inference, and itemized server-tool pricing. Consumer plans (Free/Pro/Max) are a separate product.

No free tier on the API (verified 2026-09-16) — first requests bill at per-token rates. The claude.ai Free plan is a separate consumer product with usage limits, not API access.

OAuth access — sign-in with your existing account. Claude Code (Anthropic) 27 models tracked (via OpenRouter catalog).

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

Claude's consumer app is sold on a plan matrix published at anthropic.com/pricing. The Free column includes chat on web, iOS, Android and desktop, Sonnet and Haiku model access, a 200k-token context window, web search, artifacts, memory, skills, connectors, voice mode, incognito chats and file creation and editing through code execution, while Opus, Fable, Claude Code, Projects, Research, Claude in Chrome and the Microsoft 365 and Outlook integrations are all marked as not included. Anthropic states only that usage limits apply and does not publish a numeric message or token cap for the Free plan.

No free tier stated on official pages (checked 2026-09-16) as a credit: the consumer Free plan is a listed plan tier but no allowance or numeric cap is published, and the API docs state only that new API users receive a small amount of free credits without quantifying them.

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.

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).

GetGoAPI is an AI API aggregator that provides unified access to over 500 models, including GPT-6 and Claude 4.5. It offers a flat 20% discount compared to official provider pricing with no platform fees or monthly minimums.

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

LLM Gateway is a unified AI API router that allows access to over 200 models from multiple providers. It features a 'Hosted Free' plan where free models are accessible with a 5 requests per 10 minutes limit when no credits are available in the account.

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

MegaNova AI is a comprehensive AI API aggregator and infrastructure provider, offering access to 200+ models including GPT-5.6, Claude 4, and proprietary Manta models. It features a tiered free quota system based on account status and spend, plus OpenAI-compatible serverless and dedicated GPU endpoints.

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

OpenVecta provides an AI model API with an OpenAI-compatible endpoint. It focuses on simplicity and ease of use, with reports of a free tier or trial credits available for new users. Details were checked against the provider's own page at openvecta.com.

Free credits on signup for OpenAI-compatible inference across LLMs, embeddings, and reasoning models

b.ai is an OpenAI-compatible LLM gateway (distinct from TheB.AI) focusing on unified multi-model access and privacy. It supports native crypto payments and anonymous access via the https://api.b.ai/v1 base URL.

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