OpenTahr

The journal

AI blog on models, prices and news

New models, their prices, what works and what is a waste of money.

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Sovereign AI for Europe, Macron's case at VivaTech

At VivaTech 2026, Macron argued for a sovereign European AI that answers to neither the US nor China. Here are the checked facts and what sovereignty means for your AI projects.

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How to get a Claude API key from Anthropic

Create your account on the Anthropic console, load a few credits, generate your Claude API key and secure it, one step at a time.

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GPT-5.6 Leaks and What We Know About OpenAI's Next Model

GPT-5.6, OpenAI's next model, is fueling leaks about its likely release date, its context window and a price cut. A clear split between facts and rumors.

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Jasper alternative for writing without a monthly plan

Jasper Pro costs $69 a month, while the same AI through an API key costs a few cents. Both approaches are compared fairly, with official figures and the steps to follow.

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The real cost of AI when you pay per use

Official October 2026 price lists and worked scenarios show the real cost of pay-per-use AI, from the solo blogger to the agency, with figures you can check.

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Sovereign AI in France Gets €655 Million and Drops Palantir

On June 16, 2026, France added €655 million for AI, rolled out a sovereign assistant built on Mistral to a million civil servants and dropped Palantir.

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How to get an OpenAI API key, step by step

Create your account, generate your OpenAI API key, set a spending cap and connect it to your tools, one step at a time.

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Mistral AI Valuation Could Hit €20 Billion With a €3B Raise

According to Bloomberg, Mistral AI is in talks to raise €3 billion at a valuation of €20 billion. The verified figures and what they change for your AI projects.

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AI without a subscription, a practical guide to BYOK

Pay for each action at the API's cost price instead of in marked-up credits. Here is what AI without a subscription really costs and how to get started.

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Anthropic Overtakes OpenAI in Business and Heads for an IPO

In April 2026, Anthropic moved ahead of OpenAI in business adoption according to the Ramp AI Index. Why it happened, what the figures leave out and what it changes for your AI projects.

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Fable 5 Shut Down by US Order Three Days After Launch

Three days after launch, the US government ordered Anthropic to shut down Fable 5 and Mythos 5 on national security grounds. What the directive says and what it changes for you.

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Google AI Plus Price Cut to €4.99 Starts an AI Price War

Google AI Plus drops from €7.99 to €4.99 a month and its storage doubles to 400 GB. With OpenAI weighing a response and Meta testing paid plans, here are the verified figures of the AI price war.

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