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AI Model Guides, Comparisons & API Costs
Explainers and comparisons for people who use more than one AI model: what the terms mean, how the billing models differ, and what to check before you switch apps.
12 articles
Latest articles
10 min readBYOK explainedWhat Is BYOK? Bring-Your-Own-Key AI Apps ExplainedBYOK means using an AI app with your own provider API key and paying the provider directly. What it is, how the costs work, and the risks to manage.8 min readOpenRouter free modelsUsing OpenRouter Free Models in a Chat AppHow OpenRouter’s free models work in a chat app, the rate limits that apply, why free models come and go, and two ways to use them in Oriveo.8 min readClaude API key guideUse Your Claude API Key in an App, No CodeGet a Claude API key from the Anthropic Console, understand how API billing works, and add the key to a chat app on iPhone, Android or the web — no code.7 min readOpenAI API key guideUse Your OpenAI API Key in an App, No CodeCreate an OpenAI API key, add API billing, and use GPT models in a chat app on iPhone, Android or the web with your own key — no code required.8 min readGemini API key guideUse Your Gemini API Key in an App, No CodeGet a Gemini API key in Google AI Studio, understand the free and paid tiers, and use Gemini in a chat app on iPhone, Android or the web — no code.8 min readAPI vs subscription costAPI vs Subscription: Which Costs Less for AI Chat?Pay-as-you-go API or a $20 AI subscription? A worked, reproducible comparison with official prices as of 28 September 2026, and how to run your own numbers.8 min readTypingMind alternativesTypingMind Alternatives for iPhone and AndroidTypingMind runs on phones as a web app you add to the home screen. If you want an app-store app instead, here are the options and how they compare.12 min readMulti-Model AI ExplainedWhat Is Multi-Model AI? Multi-Model vs Multimodal AIMulti-model AI means many models in one app. Multimodal AI means one model handling text, images and audio. Here is the difference and which one you need.23 min readMulti-Model AI PlatformsBest Multi-Model AI Platforms in 2026: 10 ComparedTen multi-model AI platforms compared on pricing, BYOK access, native apps and free tiers — every figure read off official pages on 24 July 2026.18 min readMulti-Model AI ClientsMulti-Model AI Client Comparison: 6 Clients in 2026A multi-model AI client runs on your device; a platform runs in someone else’s tab. Six clients compared on platforms, keys, sync and cost visibility.14 min readMulti-Model How-ToHow to Use Multiple AI Models in One AppThree ways to use multiple AI models in one app: start with no account, use managed models, or bring your own API keys — plus switching, syncing and cost.15 min readLLM API PricingAI API Cost Comparison: How LLM Pricing Really WorksWhat LLM API pricing is actually made of, what drives your bill, and the real input and output price range across 15 providers, measured on 24 July 2026.
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