What counts as an LLM API here?
A service you call from your own code to reach language models from many makers, such as OpenRouter, Vercel AI Gateway or APIMODELS. Twenty-one of them are compared side by side in the Best AI API Aggregators list.
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LLM APIs sell access to language models from many makers through one key: relays, gateways and inference hosts. This list gathers the ones GenGrades has written up, each page with prices against the makers' list prices, MCP support and sourced facts.
我们在“大模型 API”下评过的所有工具和模型,按总分从高到低。
AI/ML API (AIMLAPI) is a prepaid API service, contracting through Boiler Labs FZ-LLC in the UAE and also listing AIMLAPI OÜ in Estonia, that sells text, image, video and audio models from many makers through one key. Its current prices for OpenAI, Anthropic and Google models sit about 30% above the makers' list prices.
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APIMODELS 是一家按量付费的 AI API 中转站,用一个 Key 提供约 150 个模型,价格自定、多数低于厂商官方价,省下的利润投在备用渠道上:近 30 天去掉内容审核拒绝后,请求成功率 98.62%。APIMODELS 是我们自己的产品,和 GenGrades 出自同一团队。
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Chutes is a decentralized inference network on Bittensor subnet 64, run by Chutes Global Corp, where anonymous GPU operators serve open-weight models such as DeepSeek, Kimi and GLM through an OpenAI-compatible API. It ended its free tier on March 15, 2026, runs all 14 public models in trusted execution environments, and relies on TAO token subsidies.
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Cloudflare AI Gateway is Cloudflare's free proxy for AI requests, adding logging, caching, rate limits and fallbacks in front of 24 providers. Since August 2025 its Unified Billing lets you buy Cloudflare credits and call OpenAI, Anthropic, Google, xAI and Groq models without your own keys, at list prices plus a 5% fee on every credit purchase.
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CometAPI is a prepaid API service that sells text, image, video and audio models through one key at, by its own rule, 80% of the makers' list prices. Its terms and privacy pages name no company and use Hong Kong law, and it says it reaches the low prices through bulk credit buying and routing.
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Eden AI is a Lyon-based API gateway, run by Eden AI SAS, that puts about 500 language models and 250 'expert' models for OCR, speech, translation and image work behind one key and one prepaid balance. It passes provider prices through and, since January 2026, adds a 5.5% platform fee on self-serve credits.
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Inworld Router is Inworld AI's model-routing API, which sends OpenAI- and Anthropic-style requests to third-party models at the providers' list prices with no markup and can route by user metadata. On October 14, 2026 Inworld folded it into Inworld Inference, which also serves open models on Inworld's own hardware; inworld.ai/router now redirects there.
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Kilo Gateway is the OpenAI-compatible model API behind the Kilo Code agent, run by Kilo Code, Inc., which Anaconda acquired in July 2026. It bills tokens at the upstream rate plus a 5% fee on credit purchases, and most of its 400 models match OpenRouter's IDs and prices.
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NanoGPT is a pay-per-prompt AI service run by NanoGPT LLC, a U.S. company, with a web chat and an OpenAI- and Anthropic-compatible API for about 670 models at the makers' list prices. You can start with 0.10 USD in crypto and no account, or pay 12 USD a month for a plan built around open-weight models.
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Novita AI is an inference host for open-weight models such as DeepSeek, GLM, Kimi and Qwen, with image, video, GPU and sandbox services; it does not resell GPT, Claude or Gemini. Its per-token prices match or undercut the makers' own, its terms promise zero data retention by default, and it does not name the company behind it.
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OpenCode Zen, called OpenCode Console in the docs since October 2026, is the pay-as-you-go model gateway from Anomaly Innovations, the team behind the OpenCode coding agent. It sells about 80 coding models near the makers' list prices plus a 4.6% + 0.31 USD card fee; a Console breach that month may have exposed some users' saved provider keys.
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OpenRouter is a New York company's API relay that sells access to more than 680 models from over 100 hosting providers through one key, at each provider's list price plus a 5.5% fee on credit purchases. Stripe agreed to buy it on August 19, 2026; no closing had been announced by October 21, 2026.
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Poe API is Quora's developer API for the bots in its Poe chat app, opened on July 31, 2025, with OpenAI-compatible endpoints and an Anthropic-compatible one for official Claude bots. Calls spend the same points as a Poe subscription, so there is no separate API bill; current Claude bots cost about 1% more than Anthropic's list price.
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Requesty is a London-based LLM gateway, run by Requesty Ltd and seed-funded by 20VC in 2025, that sells OpenAI- and Anthropic-compatible access to more than 600 models at list price plus a 5% top-up fee. It stands out for routing policies, spend controls and an EU endpoint in Frankfurt.
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TypeSafe AI 是旧金山的一家 AI 实验室,首个模型 Jev 不生成文字,而是返回带概率的类型化决策,供软件直接使用。Jev 于 2026 年 9 月 15 日开放早期访问,同时宣布 4000 万美元种子轮;彭博社 10 月 9 日报道,它又以 75 亿美元估值融资约 8.7 亿美元。
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Vercel AI Gateway is Vercel's hosted API for about 480 text, image, video and speech models behind one key, billed from prepaid credits at the providers' list prices with no markup, including when you bring your own keys. It became generally available on August 21, 2025, and gives each Vercel team 5 USD of free credit a month.
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ZenMux is an LLM gateway, operated under its terms by NexaMind Singapore Pte. Ltd., that sells Claude, GPT, Gemini and many Chinese models through OpenAI, Anthropic and Vertex-style endpoints at the makers' list token prices. It adds automatic credits for bad or slow answers, which it calls insurance, and 20 to 200 USD monthly coding plans.
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先给结论,再讲原因、例子、限制和下一步。
A service you call from your own code to reach language models from many makers, such as OpenRouter, Vercel AI Gateway or APIMODELS. Twenty-one of them are compared side by side in the Best AI API Aggregators list.
Entries with a GenGrades score come first, highest total first; the rest follow in alphabetical order. Each one links to its full page.
Every fact on a tool page carries its source and the date it was checked: the maker's own pages and terms, public tests and user reports.
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VideoEnhancer is a web tool that upscales short MP4 clips to 1080p, 2K or 4K with the FlashVSR model and also compresses, face-swaps and generates video. After a 5-second free trial, 1080p costs 3 credits a second, $0.03 to $0.09 depending on how credits are bought. VideoEnhancer is our own product: it is made by the team behind GenGrades.
LayerGrab splits a flat image into up to 16 named, transparent layers over a filled-in background, on the web, in Figma or in Chrome, or pulls out only what you name. Each layer costs $0.10 on its $12 plan, $0.08 on Premium. No independent review exists yet. LayerGrab is our own product: it is made by the team behind GenGrades.
VideoTextRemover is a web tool that erases burned-in subtitles, captions and other on-screen text from MP4 and MOV videos and repaints what was behind them, up to 1080p. It bills per second processed, about $0.025 to $0.049, with 30 free seconds a month in some countries. VideoTextRemover is our own product: it is made by the team behind GenGrades.
MagicRemover is a browser tool that erases people, objects, text, logos and watermarks from photos, and subtitles from videos. Photos get 2 free removals a day, 2 more after sign-in, at about 1 megapixel; beyond that, credits start at $9.90 for 330. MagicRemover is our own product: it is made by the team behind GenGrades.