Big-AGI replaces 4 paid apps

One open-source tool, 4 subscriptions it can stand in for. Each pairing below is curated and verified by hand, with the honest catch spelled out. No votes, no pay-to-list.

Big-AGI $0replaces $70/mo7.1k · active aug 2026docker to self-host✨ ai assistants
the facts, verified

licenseMIT

runsyour machine or their cloud

installUse the hosted web app with your API keys, or self-host with Docker/Vercel

enginesOpenAI, Anthropic, Gemini, Azure, Bedrock, DeepSeek, Groq, Mistral, OpenRouter, Perplexity, Together, xAI, Ollama, LocalAI, LM Studio and OpenAI-compatible endpoints

dataThe open app stores chats and settings locally in the browser by default; hosted Pro adds synced cloud storage, and model requests go to whichever provider the user configures

setupThe free hosted app is immediate, but it does not include model usage: the user must bring provider API keys and understand provider billing

facts verified 2026-08-14

what it lets you cancel
ChatGPTNOT REALLY$20/mo

A local-first multi-model workspace with files, search, code and personas; the interface assumes you enjoy buttons.

the catchBig-AGI supplies the interface but no model subscription, cross-device sync, or tightly integrated first-party voice and image experience.

the verdict →all ChatGPT alternatives →
ClaudeNOT REALLY$20/mo

A local-first multi-model workspace with files, search, code and personas; the interface assumes you enjoy buttons.

the catchBig-AGI offers a multi-model shell rather than Claude's included Anthropic models, first-party Projects and Artifacts workflow, and managed synchronization.

the verdict →all Claude alternatives →
Google GeminiNOT REALLY$19.99/mo

A local-first multi-model workspace with files, search, code and personas; the interface assumes you enjoy buttons.

the catchIt supplies a multi-model interface but not Gemini's included model allowance or first-party integration across Google Search, Gmail, Docs, Drive, and Android.

the verdict →all Google Gemini alternatives →
AdmixKINDA$10/mo

One prompt fans out across models and Beam can merge the answers; free software, paid API keys if you chase frontier models.

the catchIt can fan one prompt across models, but you must provision and bill each provider separately and its interface is less focused on clean answer comparison than Admix.

the verdict →all Admix alternatives →

last updated 2026-08-14 · up to $840/yr replaced · no votes, no pay-to-list

Rather build your own version of any of these? Every verdict page above has the exact one-shot prompt, free.all escape hatches →

Every week, more subscriptions die.

New verdicts, new prompts, the week's most-doomed apps.
One email. Unsubscribe in one click.

free forever · no scanner spam · the prompt stays on the site, the deaths come to you

$weekly: what got a verdict, what died.