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About

Cheaper Inference is an OpenAI-compatible API gateway that provides access to AI models from multiple providers through a single API key, without requiring users to change their request format. Developers can switch by replacing the provider base URL and API key while keeping the same model, messages, tools, streaming settings, and response handling. It supports text and image models, vision-capable chat requests, streaming, prompt caching, reasoning controls, and temporary image uploads for larger vision payloads. Models are selected per request, and the catalog can be filtered by type, vision, reasoning, streaming, or provider. Automatic retries handle network and provider failures, while eligible fallback routes can be tried before a request fails. Every request is visible in History, giving teams a record of request volume, token usage, and operational activity.

About

PromptUnit cuts your AI API bill without hurting answer quality. Inferio, the engine inside PromptUnit, checks every request your app or agent sends. When a cheaper model is just as good for that request, it uses it; otherwise the request goes to the model you asked for. If you connect keys for more than one provider, the cheaper model can be at another of them. Setup is two settings: point your AI API address at PromptUnit and add your PromptUnit key. Your own provider keys stay yours. Works with OpenAI, Anthropic, Google Gemini, Groq and DeepSeek keys, and with your own OpenRouter key, plus tools like n8n, Open WebUI, LibreChat and Dify. The dashboard shows every request: the model asked for, the model that answered, what it cost and what it saved. It also groups requests into the steps of your app and shows what each step costs. Pricing: the first $5 of savings is free, then 20% of what PromptUnit saves you, billed weekly. Nothing if it saves nothing.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI teams and developers in need of a tool to access and route requests across multiple AI models and providers through one OpenAI-compatible API

Audience

Developers, startups and teams whose apps or agents pay for AI APIs (OpenAI, Anthropic, Gemini and more) and want a lower bill without worse answers.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$0.48 per output
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
Free until PromptUnit saves you money. Then 20% of what it saves, billed weekly. The first $5 of savings is free. Nothing if it saves nothing.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Keak
United States
cheaperinference.com

Company Information

PromptUnit
Founded: 2026
Israel
www.promptunit.ai/

Alternatives

Experiential

Experiential

Experiential Labs

Alternatives

Experiential

Experiential

Experiential Labs
Pioneer

Pioneer

Pioneer.ai

Categories

AI Gateways Supported
AI Inference Supported

Categories

AI Inference Supported
AI Tools Supported
LLM Routers Supported

Integrations

Anthropic Not Supported
Claude Fable 5 Supported
Claude Haiku 4.5 Supported
Claude Opus 4.5 Supported
Claude Opus 5 Supported
Claude Sonnet 4.6 Supported
DeepSeek Not Supported
DeepSeek-V4 Supported
DeepSeek-V4.1-Flash Supported
GLM-5.3-Flash Supported
GPT-5 mini Supported
GPT-5 nano Supported
GPT-5.4 mini Supported
GPT-5.5 Pro Supported
GPT-5.6 Terra Supported
Gemini 3.5 Flash Supported
Go Not Supported
Grok 4.5 Supported
Muse Spark 1.3 Supported
Muse Wonder Full Supported

Integrations

Anthropic Supported
Claude Fable 5 Not Supported
Claude Haiku 4.5 Not Supported
Claude Opus 4.5 Not Supported
Claude Opus 5 Not Supported
Claude Sonnet 4.6 Not Supported
DeepSeek Supported
DeepSeek-V4 Not Supported
DeepSeek-V4.1-Flash Not Supported
GLM-5.3-Flash Not Supported
GPT-5 mini Not Supported
GPT-5 nano Not Supported
GPT-5.4 mini Not Supported
GPT-5.5 Pro Not Supported
GPT-5.6 Terra Not Supported
Gemini 3.5 Flash Not Supported
Go Supported
Grok 4.5 Not Supported
Muse Spark 1.3 Not Supported
Muse Wonder Full Not Supported
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Claim Cheaper Inference and update features and information
Claim PromptUnit and update features and information
Claim PromptUnit and update features and information