2026年の無料AI API:Gemini・Groq・OpenRouterなどを比較
2026年に本当に無料で使えるAI APIは?Gemini、Groq、OpenRouter、Cloudflare、Mistral、Cerebrasの無料枠、1日の上限、試用を比較します。
記事を読む →画面上の質問、AIプロバイダー、学習に関する記事。
2026年に本当に無料で使えるAI APIは?Gemini、Groq、OpenRouter、Cloudflare、Mistral、Cerebrasの無料枠、1日の上限、試用を比較します。
記事を読む →Gemini、OpenRouter、Groq、Cloudflareの画像対応AI API。スクリーンショット、図、数式を読めるモデルと無料枠の範囲を確認します。
記事を読む →モデル、画像の扱い、アカウント上限から三つの選択肢を比較します。
記事を読む →Most select-and-ask AI tools skip Linux. How LuciQA works on a Linux desktop, what it needs on Ubuntu 24.04 and Wayland, and what is still rough.
From screenshot-and-upload to tools that answer in place: five ways to ask an AI about a chart, an error message or a question on your screen, and when each one fits.
Why two models give different answers to the same question, three practical ways to compare them, and what agreement does and does not tell you.
The Workers AI “API key” is really two values: an API token and your Account ID. How to get both, and what the free tier of 10,000 Neurons a day covers.
Create a free Gemini API key in Google AI Studio in about two minutes, see which models the free tier covers (Gemini 4 Argon is not one of them), and keep the key safe.
Create a free Groq API key in a minute, see the free plan limits per model (requests and tokens per day), and avoid mixing up Groq with Grok.
Create a Mistral API key in the Studio console, see what Free mode covers, and pick a model for text and image questions.
Create an OpenRouter key, find the models that cost nothing, and understand the 50-requests-a-day limit before you run into it.
A responsible AI-assisted plan for Azure Fundamentals practice, explanations, and checking current Microsoft documentation.
A study workflow for explaining practice questions, checking sources, and respecting exam rules.
DeepSeek V4.1 Flash has no stated free tier, but it is one of the cheapest new models. What it costs, where you can call it, and free models that do a similar job.
Gemini 4 Argon is not on the Gemini API free tier. What it costs, how to call it, and which free Gemini model to use on the same key instead.
Gemini 4 Argon, GPT-6, Claude 5.5, Kimi K3.1 Pro, DeepSeek V4.1 Flash: which of the newest AI models you can call for free through an API, and the closest free alternative for each.
Sending recognized text is cheaper and more private; sending the image keeps charts and formulas intact. A practical rule for choosing, with the mistakes each one makes.