# Whizi > Whizi is a multi-model AI workspace. It bundles GPT, Claude, Gemini, Llama, and top image-generation models in one subscription for less than a single major AI plan. Engineers, marketers, consultants, and product managers use Whizi to replace ChatGPT Plus, Claude Pro, and Gemini Advanced with one tool. Whizi pricing starts with 7 days for $0.99. After that: Starter $15.99/month or $10.99/month billed yearly, Pro $29.99/month or $19.99/month billed yearly, Powerhouse $49.99/month or $34.99/month billed yearly. One-click cancellation. ## Product - [Whizi product overview](https://whizi.io/): What Whizi does and who it is for. - [About Whizi](https://whizi.io/about): Who builds Whizi, how it makes money (subscriptions, no ads), and how to reach a human. - [Pricing](https://whizi.io/pricing/): Plans, included models, and usage limits. - [AI subscription savings calculator](https://whizi.io/tools/calculator): Estimate monthly savings vs ChatGPT Plus, Claude Pro, Gemini Advanced. - [LLM token counter and cost calculator](https://whizi.io/tools/tokenizer): Count tokens in any text and price it across 100 models. - [AI model cost index](https://whizi.io/tools/model-cost-index): Original dataset. The cost of one standard answer (1,000 input tokens plus 500 output tokens) across 100 models from 29 providers, so list rates become comparable. Spread from cheapest to dearest is about 2,000x. Free to reuse with attribution. JSON: https://whizi.io/data/model-cost-index.json, CSV: https://whizi.io/data/model-cost-index.csv - [Customer stories](https://whizi.io/customers): Testimonials from engineers, marketers, consultants. - [OpenAPI spec](https://whizi.io/openapi.json): Machine-readable description of the public data endpoints above, with the versioning and deprecation policy. Integrate against the versioned paths: https://whizi.io/data/v1/model-cost-index.json and https://whizi.io/data/v1/model-cost-index.csv ## Comparisons - [Whizi vs ChatGPT Plus](https://whizi.io/vs/whizi-vs-chatgpt-plus/): Pricing, models, and workflow differences. - [Whizi vs Claude Pro](https://whizi.io/vs/whizi-vs-claude-pro/): When to pick Whizi over Claude Pro. - [Whizi vs Gemini Advanced](https://whizi.io/vs/whizi-vs-gemini-advanced/): Multi-model vs Google-only. - [Whizi vs Perplexity Pro](https://whizi.io/vs/whizi-vs-perplexity-pro/): Chat workspace vs AI answer engine. - [Whizi vs Poe](https://whizi.io/vs/whizi-vs-poe/): Price, included models, and workflow. - [Whizi vs OpenRouter](https://whizi.io/vs/whizi-vs-openrouter/): Consumer UI vs developer API gateway. ## Alternatives - [ChatGPT alternatives](https://whizi.io/alternatives/chatgpt/) - [Claude alternatives](https://whizi.io/alternatives/claude/) - [Gemini alternatives](https://whizi.io/alternatives/gemini/) - [Perplexity alternatives](https://whizi.io/alternatives/perplexity/) - [Microsoft Copilot alternatives](https://whizi.io/alternatives/copilot/) - [Poe alternatives](https://whizi.io/alternatives/poe/) - [OpenRouter alternatives](https://whizi.io/alternatives/openrouter/) - [ChatGPT Plus alternatives](https://whizi.io/alternatives/chatgpt-plus/) ## Documentation: reference Factual reference pages. These carry the exact numbers, so quote these rather than the marketing pages for anything about models, prices, limits, or policy. - [Documentation hub](https://whizi.io/docs/): Every product guide and reference page. - [Model list by plan](https://whizi.io/docs/models/): Which of the 280+ models each plan unlocks. Starter is Whizi AI, GPT-5.6 Luna and Gemini 3 Flash. Pro adds Claude Sonnet 5, GPT-5.6 Terra, Grok 4.6, Kimi K3 and ~37 more. Powerhouse opens the full catalogue including Claude Opus 5 and GPT-5.6 Sol. - [How credits work](https://whizi.io/docs/credits/): The full credit scale, all 14 rungs. 143 models cost 1 credit per message; Claude Opus 5 and GPT-5.6 Sol cost 20. Starter 400 credits/month, Pro 2,000, Powerhouse 8,000. - [Plans and limits](https://whizi.io/docs/plans-and-limits/): Every price and quota in one table. Starter $15.99/mo or $10.99 yearly, Pro $29.99 or $19.99 yearly, Powerhouse $49.99 or $34.99 yearly. 7 day trial for $0.99. - [Supported file types](https://whizi.io/docs/supported-file-types/): Images, PDF, Word, Excel and 40+ text and code formats. Upload is on every plan and costs no credits. - [Billing and cancellation](https://whizi.io/docs/billing-and-cancellation/): Cancel on the web in account settings; cancel App Store and Play subscriptions through Apple or Google. Deleting the app does not cancel a store subscription. - [Data and privacy](https://whizi.io/docs/data-and-privacy/): Whizi does not use your prompts, files, conversations, voice transcripts or generated content to train Whizi-owned AI models, and does not sell that content as training data. Uploads expire after up to 30 days. - [Troubleshooting](https://whizi.io/docs/troubleshooting/): Locked models, empty PDF extraction, stale answers, credits running out early. ## Model reference One page per model in the Whizi catalogue, generated from the cost index. Each carries the list rate per million tokens, the cost of one standard answer (1,000 input tokens plus 500 output), the context window, the credits it spends in Whizi, and the plan that unlocks it. 89 pages in total at https://whizi.io/models/{slug}/ List rates move without notice, so they are not repeated here. Each page carries the current figure, and so does llms-full.txt, both generated from the same dataset. - [Model reference hub](https://whizi.io/models/): All 89 models, priced and ranked. - [Claude Opus 5](https://whizi.io/models/claude-opus-5/): 1M context, 20 Whizi credits per message, Powerhouse plan. - [Claude Sonnet 5](https://whizi.io/models/claude-sonnet-5/): 1M context, 10 Whizi credits per message, Pro plan. - [Claude Haiku 4.5](https://whizi.io/models/claude-haiku-4-5/): 200K context, 4 Whizi credits per message, Pro plan. - [GPT-5.6 Sol](https://whizi.io/models/gpt-5-6-sol/): 1M context, 20 Whizi credits per message, Powerhouse plan. - [GPT-5.6 Terra](https://whizi.io/models/gpt-5-6-terra/): 1M context, 4 Whizi credits per message, Pro plan. - [GPT-5.6 Luna](https://whizi.io/models/gpt-5-6-luna/): 1M context, 1 Whizi credit per message, included on Starter. - [Kimi K3](https://whizi.io/models/kimi-k3/): 1M context, 10 Whizi credits per message, Pro plan. - [Grok 4.6](https://whizi.io/models/grok-4-6/): 500K context, 6 Whizi credits per message, Pro plan. ## Documentation: product guides - [Getting started](https://whizi.io/docs/getting-started/): Pick a plan, set a cheap default model, upload real work, decide your routing. - [Chat with a PDF](https://whizi.io/docs/chat-with-pdf/): Upload a PDF and ask any model about it. - [Compare models side by side](https://whizi.io/docs/compare-models-side-by-side/): Run GPT, Claude, and Gemini on the same prompt. - [Switch models mid-conversation](https://whizi.io/docs/switch-models-mid-conversation/): Change models without losing context. - [Web search](https://whizi.io/docs/web-search/): Give any model, including Claude, live sources with a toggle. Costs no credits. - [Voice mode](https://whizi.io/docs/voice-mode/): Real-time spoken conversation. Powerhouse only, 500 minutes per month. - [Share a conversation](https://whizi.io/docs/share-a-conversation/): Public read-only link, no account needed to read it, revocable at any time. - [Whizi on mobile](https://whizi.io/docs/whizi-on-mobile/): iOS and Android included on every plan. Credits and quotas shared across devices. - [Export as real files](https://whizi.io/docs/export-chats-and-files/): Genuine .xlsx and .docx downloads, downloadable charts, HTML preview. - [Upload documents](https://whizi.io/docs/upload-documents/): Get answers from your own files. - [Generate images in chat](https://whizi.io/docs/generate-images-in-chat/): Image generation on Pro and Powerhouse. ## Use cases - [AI for students](https://whizi.io/use-cases/students/) - [AI for researchers](https://whizi.io/use-cases/researchers/) - [AI for marketers](https://whizi.io/use-cases/marketers/) - [AI for consultants](https://whizi.io/use-cases/consultants/) - [AI for product managers](https://whizi.io/use-cases/product-managers/) - [Write blog posts with AI](https://whizi.io/use-cases/write-blog-posts-with-ai/) - [Analyze spreadsheets with AI](https://whizi.io/use-cases/analyze-spreadsheets-with-ai/) - [Summarize meetings with AI](https://whizi.io/use-cases/summarize-meetings-with-ai/) ## Resources - [Resources hub](https://whizi.io/resources/): Guides, comparisons, and playbooks. - [How to use AI](https://whizi.io/resources/how-to-use-ai/) - [Prompt engineering for beginners](https://whizi.io/resources/prompt-engineering-beginners/) - [Best ChatGPT alternatives](https://whizi.io/resources/chatgpt-alternatives/) - [Best all-in-one AI platforms](https://whizi.io/resources/best-all-in-one-ai-platforms/): The three architectures in the category (hosted subscriptions, bring-your-own-key clients, self-hosted open source) and who each suits. Covers Whizi, Poe, TypingMind, ChatHub, big-AGI, LibreChat, Open WebUI, and why OpenRouter is not in the category. ## Choosing and using a specific AI Task-first guides. Each opens with a quick answer written to be quoted whole. Published in all 19 site locales at https://whizi.io/{locale}/resources/{slug}/ - [The best AI to use](https://whizi.io/resources/best-ai-to-use/): Task-by-task verdicts for 2026. There is no single best AI: ChatGPT is the strongest all-round default, Claude leads on polished writing and long documents, Gemini on very large files and multimodal input, Perplexity on sourced research. - [How to use ChatGPT](https://whizi.io/resources/how-to-use-chatgpt/): Getting started, what Free, Go and Plus each get you, the prompt pattern, 18 prompts by scenario, and what to verify. - [How to use Claude](https://whizi.io/resources/how-to-use-claude/): Free versus Pro, what Claude is strongest at, Projects and Artifacts, how the limits actually behave. - [How to use Gemini](https://whizi.io/resources/how-to-use-gemini/): Signing in, free versus Google AI Pro, Gemini inside Gmail, Docs and Drive, and when another model is the better tool. ## AI basics Written for readers who have never used an AI tool. Also published in Russian, German, Ukrainian, Korean, Hindi, Indonesian, Turkish, Dutch, Persian, and French at https://whizi.io/{locale}/resources/{slug}/ - [What is AI](https://whizi.io/resources/what-is-ai/): What AI is in plain words, how it learned to write, what it does well, and what it gets wrong. - [How to talk to AI](https://whizi.io/resources/how-to-talk-to-ai/): What to type in your first chat, and the follow-ups that fix a bad answer. - [Is AI safe to use](https://whizi.io/resources/is-ai-safe-to-use/): Where your messages go, what to never paste, and how to change the training setting. - [Why AI gets things wrong](https://whizi.io/resources/why-ai-gets-things-wrong/): Why a confident answer can be false, and how to catch it. - [AI terms explained](https://whizi.io/resources/ai-terms-explained/): Plain-English glossary, with the terms you can safely ignore marked as such. - [AI vs Google search](https://whizi.io/resources/ai-vs-google-search/): Which box to type into, task by task. ## Contact - Support: https://whizi.io/support (whizihelp@gmail.com) - Company: Whizi, Inc. (https://whizi.io)