AI API Router Directory

Stability AI sells hosted generative media through a credit-based developer API plus a separate subscription studio. The developer pricing page states API usage is credit-based with 1 credit = $0.01, and lists per-operation credits: Stable Image Ultra 8 credits, Stable Diffusion 3.5 Large 6.5, SD 3.5 Large Turbo 4, SD 3.5 Medium 3.5, SD 3.5 Flash 2.5, Stable Image Core 3, SDXL 1.0 from 0.9, Creative Upscaler 60, Stable Audio 3.0 26 and Stable Fast 3D 10. New developer accounts get 25 free credits, i.e. about $0.25 of usage. The separate Brand Studio product free tier is stated at 1000 credits, then $19/month for 2000 credits or $50/month for 5000 credits, with unused credits not rolling over.

25 free credits for new accounts, stated on platform.stability.ai/pricing alongside the fixed rate "1 credit = $0.01" - equivalent to about $0.25.

BazaarLink is a Taiwan-based AI aggregator providing access to 100+ models via an OpenAI-compatible API. It specializes in TWD billing and unified enterprise invoices. It offers a small signup credit and a persistent free model tier.

Signup trial credit ~$0.20 (probe, no card, no waitlist) counted; plus persistent free deepseek-v4-flash (~10 RPM / 150 RPD) and auto:free routing; PAYG at upstream list price after credit is spent.

Jeniya (jeniya.cn) is an anonymously operated Chinese AI API relay reselling access to Claude, GPT, and Grok models via a unified OpenAI-compatible endpoint. It uses the One-API panel for management and supports domestic payment methods like Alipay and WeChat.

Operator API docs (jeniya-top.apifox.cn, 2025-05): new users get $0.2 usage credit on registration. Affiliate SEO pages claim a 100 CNY test quota (unverified); core is a paid top-up relay.

Scaleway Generative APIs is a serverless, OpenAI-compatible inference service hosted only in Paris and billed per 1M tokens in euros. Published rates run from EUR 0.15/1M input and EUR 0.60/1M output for gpt-oss-120b, and EUR 0.15/EUR 0.35 for mistral-small-3.2-24b-instruct, up to EUR 1.80/EUR 5.50 for glm-5.2; whisper-large-v3 is metered per audio minute at EUR 0.003 with free output tokens, and embedding models are input-only at EUR 0.10/1M. Every new customer gets a free tier of 1,000,000 tokens, with billing starting at token 1,000,001.

1,000,000 free tokens per new customer, stated on the Generative APIs page; valued at the cheapest published input rate of EUR 0.15/1M (mistral-small-3.2-24b-instruct or gpt-oss-120b), which is roughly USD 0.16 - the grant is token-denominated, so actual dollar value varies by model.

ProRiseHub is a paid top-up relay built on the New API framework, OpenAI-compatible at /v1. Documentation states top-ups are converted at a rate of 1 RMB ≈ $0.15 USD credit, with several dozen zero-priced models.

Mainly paid top-up (1 RMB (≈$0.15) = 1 USD credit); no general signup bonus mentioned; ~51 zero-priced models in /api/pricing.

Levolink is an anonymously operated Chinese AI API relay built on the New-API framework. It aggregates a vast array of models (500+) including GPT, Claude, Gemini, and Doubao, primarily targeting the RMB-based domestic market with cheap top-ups.

Grants 1 RMB (~$0.12) test credit upon registration.

Cloudflare Workers AI serves open-weight models on Cloudflare's edge network, metered in Neurons ($0.011 per 1,000). Every account — including the Free plan — gets 10,000 Neurons per day free, resetting at 00:00 UTC; beyond that, the Paid plan bills usage. The catalog spans LLMs, embeddings, image and audio models and sits next to your Workers apps.

10,000 Neurons/day free on all plans (reset 00:00 UTC) ≈ $0.11/day ≈ $3.30/month at full use; overage $0.011 per 1,000 Neurons on the Paid plan.

Hugging Face Inference Providers routes one API key across 200+ models from multiple inference providers at the providers' own rates — no markup. Every user gets monthly credits ($0.10 on the Free plan; $2.00 PRO; $2.00/seat Team & Enterprise) applied automatically before pay-as-you-go; a BYOK mode routes through your own provider keys instead.

Official docs: $0.10/month Inference-Providers credits for Free users (PRO $2.00/month, Team/Enterprise $2.00/seat), credited monthly and applied before pay-as-you-go (confirmed 2026-09-16).

Nomic AI provides the Atlas Embedding API and open-weight models like nomic-embed. It offers a monthly free tier for its embedding API and is transitioning to focus on document AI for specialized industries.

Atlas embedding API free tier ~1M embedding tokens/month for evaluation and prototyping; ~$0.10/mo equivalent at Nomic embed pricing (~$0.10/1M tokens); paid beyond that.

SambaNova Cloud serves open-weight models (DeepSeek-V3.1, DeepSeek-V3.2, Meta-Llama-3.3-70B-Instruct, gpt-oss-120b, gemma-4-31B-it, MiniMax-M2.7 and MiniMax-M3) through an OpenAI-compatible endpoint at api.sambanova.ai/v1, priced per 1M tokens from $0.22 input / $0.59 output for gpt-oss-120b up to $3 / $4.50 for DeepSeek-V3.1 and V3.2. The free tier is defined by the absence of a payment method: 20 requests per minute, 20 requests per day and 200,000 tokens per day per model, on the five models listed in the free-tier tables. Linking a card moves the account to the Developer tier, which raises per-model limits and caps the account at 20M tokens per day across all models.

Free tier is a recurring daily allowance, not a USD credit: 200,000 tokens/day (20 RPM, 20 RPD) per the official rate-limits docs; 200k tokens at the cheapest published input rate of $0.22/1M (gpt-oss-120b) is about $0.04/day, while the same 200k at DeepSeek-V3.1's $3/1M input rate would be about $0.60/day.

OpenAI Codex is the coding agent that runs across ChatGPT, an IDE extension, the CLI and cloud environments on a single ChatGPT account, with cloud worktrees, scheduled background tasks, Skills and code review. The Codex pricing documentation lists Free at $0/month for "quick coding tasks", Go at $8/month, Plus at $20/month, Pro from $100/month, Business at $20/user/month billed annually ($25 monthly, minimum 2 users) and Enterprise/Edu by contact, plus an API-key route billed at API rates. Usage is measured as messages per five-hour period that vary by model: on Plus, the documented ranges run from 250-2,000 messages for GPT-5.6 Luna down to 5-45 for GPT-6 Astra, and OpenAI states these are estimates rather than fixed limits.

Codex Free is $0/month, described as "Explore Codex capabilities on quick coding tasks"; no fixed free message count is published (Codex pricing docs, checked 2026-09-16).

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).

Devin, built by Cognition, is an agentic software engineering product spanning Devin Desktop, a CLI, Devin Cloud agents, DeepWiki and the Devin API, aimed at multi-repo engineering work such as migrations, PR review, incident triage and scheduled chores. Its pricing page lists Free at $0 with "a light quota to code with agents", limited model availability, unlimited inline edits and unlimited Tab completions, then Pro at $20/month, Max at $200/month for significantly higher quotas, Teams at $80/month for the team plan plus $40/month per full dev seat, and Enterprise by contact. Paid plans come with a usage allowance that refreshes daily and weekly, and usage beyond the allowance is purchased and consumed at API pricing.

Devin Free is $0 with a light agent quota, limited model availability, unlimited inline edits and unlimited Tab completions (devin.ai/pricing, checked 2026-09-16).

Fish Audio (fish.audio) is a voice AI platform offering text-to-speech, speech-to-text, voice cloning and real-time streaming through a web app, REST API and SDKs, billed per million UTF-8 bytes rather than per character. Its developer pricing page lists s2.1-pro, s2-pro and s1 at $15.00 per million UTF-8 bytes (about 180,000 English words or 12 hours of speech), ASR transcribe-1 at $0.36 per audio hour and voice-design-1 at $0.01 per successful request, and states there are no subscription fees or monthly minimums for API access. A free counterpart model, s2.1-pro-free, is priced at $0.00 per million UTF-8 bytes with the same quality and 83-language coverage as the paid model but without time-to-first-audio or deployment-slot guarantees.

s2.1-pro-free is priced at $0.00 per 1M UTF-8 bytes in the official pricing table on docs.fish.audio — a free model rather than a cash credit, subject to fair-use limits and without TTFA or DPA guarantees (checked 2026-09-16).

GitLab Duo is GitLab's set of AI features across the software lifecycle, including AI chat and code suggestions in the IDE, agentic chat, foundational agents and flows, a custom agent catalog, model selection and MCP integrations. GitLab's pricing page lists GitLab.com Free at $0/user/month with up to 5 users in a private top-level group, 400 compute minutes per month, 10 GiB storage and static application security testing, but states plainly that on Free "AI features can be accessed via the purchase of GitLab Credits add-on". Included AI credits appear only on paid tiers, shown as a limited-time promotional offer: $12 GitLab Credits per user/month on Premium ($29/user/month billed annually) and $24 per user/month on Ultimate, with GitLab Credits priced at $1 per credit.

GitLab.com Free is $0/user/month but includes no AI credits: the pricing page states AI features on Free are accessed only by purchasing the GitLab Credits add-on at $1 per credit, so the free AI grant is zero (checked 2026-09-16).

360 AI (360智脑) is a Chinese LLM API provider by 360 Group, offering conversational models with support for multiple file formats and LlamaIndex compatibility. Access is managed through a dashboard-generated API key, primarily serving enterprise and developer needs in China.

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

9Router is a specialized AI API router designed for smart fallback and cost optimization, allowing users to pool their own subscription keys. It emphasizes 'unlimited free AI coding' by routing through free models or maximizing existing subscriptions via a local proxy or VPS.

9Router is free open-source self-hosted router software (never charges); 9router.xunleiyk.com is a hosted instance ('AI Infrastructure Management' panel, auth-gated). No credits/billing tiers apply.

AI-ROUTER is an enterprise-focused AI API gateway providing unified access to OpenAI, Claude, and Gemini models. It uses a unique 'fuel package' and subscription model, offering managed quotas with daily, weekly, and monthly limits for intensive development and team workflows.

Paid ChatGPT relay with time-boxed packages only: daily $5.40-$35.10/day, weekly $26.10-$179.10 (Alipay/WeChat/crypto/Stripe). No free tier or signup credit found on site or in searches.

AI/ML API is a major AI model aggregator providing unified access to 1000+ models from OpenAI, Anthropic, Google, DeepSeek, and more. It offers a single API key for LLM, image, voice, and video models with a focus on production-ready pay-as-you-go access.

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

AINative Studio specializes in AI agent infrastructure, providing multimodal APIs, persistent agent memory, and MCP server hosting. It offers tiered subscription plans that include 'ZeroTime' credits for agentic workflows and specialized model access.

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

Aiaiai001 (Longcheng AI Toolbox) is a Chinese commercial AI API relay aggregating frontier models via a New-API based backend. It provides an OpenAI-compatible endpoint and requires quota purchases through an external shop (pay.ldxp.cn).

Official FAQ directs users to buy quota packages via pay.ldxp.cn/shop/aiaiai001; freeairouter review says '付费中转，非免费' (paid relay, not free) with free quota unclear/none observed. Paid relay, no public free tier.

Alibaba Cloud Model Studio (Bailian, 百炼) is Alibaba Cloud's managed model platform, hosting Qwen and third-party models across text, image, audio and video with pay-as-you-go billing per million tokens in CNY. The cn-beijing list rates on the official price page include qwen-long at 0.5 CNY per million input tokens and 2 CNY per million output tokens, qwq-plus at 1.6 CNY input and 4 CNY output, and deepseek-v3.2-exp at 2 CNY input and 3 CNY output, while international-deployment rates are materially higher (qwq-plus international: 5.871 CNY input, 17.614 CNY output). The price page states it shows list prices only ('原价') and that promotional pricing lives in the console, and pricing is tiered so a single request's token volume sets the unit price for that whole request.

Token allowance, not cash: first activation of Bailian grants a per-model free inference quota of typically 1,000,000 tokens (input and output combined, cn-beijing only, valid 90 days) per help.aliyun.com/zh/model-studio/new-free-quota; no USD-convertible value is published (checked 2026-09-16).

Ant Ling (by inclusionAI) provides an OpenAI-compatible API for its proprietary Ling model family. It supports high-speed inference and is designed to integrate seamlessly with standard SDKs by switching the base URL, serving both developer and enterprise needs.

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

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.