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Sovereignty, models, engineering

Notes on EU AI sovereignty, the open-source model landscape, and how Frontière AI is built.

Models & catalogFeatured

DeepSeek V4.1 Flash: benchmarks, price, API

DeepSeek V4.1 Flash, released 2026-09-10: 552B multimodal MoE, 1M context, MIT. What the technical report claims, what we measured on the gateway, and what it costs.

2026-09-11 · 7 min read

Engineering

Best OpenRouter alternatives in 2026

Honest comparison of OpenRouter alternatives: Together AI, Groq, Fireworks, Venice AI and an EU-sovereign option. Price, jurisdiction and data handling.

2026-09-02 · 11 min read

Engineering

Best AI API Aggregator for Companies

Choosing an AI API aggregator for production: data sovereignty, compliance, billing and model quality. A buying guide for European teams.

2026-08-27 · 9 min read

Engineering

Top Open-Source and Self-Hosted AI Gateways

LiteLLM, Ollama, vLLM, TGI, xinference: the best open-source LLM gateways compared — and when a managed gateway like Frontière AI makes more sense.

2026-08-27 · 11 min read

Models & catalog

What is Open-Weight AI? A clear guide

Open-weight models: what they are, how they differ from open-source and closed AI, and why enterprises are making the switch.

2026-08-27 · 6 min read

Models & catalog

What is Open Source AI? The enterprise guide

Open source AI explained: why enterprises are switching from closed models, the best open-source models in 2026, and how to get started.

2026-08-27 · 6 min read

Models & catalog

French open-source AI: actors and sovereignty

French open-source AI models and players: Mistral AI, Hugging Face, Frontière AI, Fleece AI — why Europe is building its own AI ecosystem independent of US tech giants.

2026-08-27 · 6 min read

Engineering

What is an AI API aggregator? A 2026 comparison

Frontière AI, OpenRouter, Together AI, Groq, Fireworks AI: which AI API aggregator fits your needs — and why none of the others are GDPR-compliant.

2026-08-26 · 6 min read

Sovereignty & compliance

Is OpenAI GDPR-compliant? What EU firms need to know

OpenAI can be GDPR-compliant in practice, but it is a US company subject to the CLOUD Act — and that is a jurisdictional fact, not a setup choice.

2026-08-14 · 7 min read

Models & catalog

Best open-source reasoning models in 2026

Open-weight models that think before answering: what reasoning actually costs, which models exist, and how to pick one for your workload.

2026-08-13 · 6 min read

Models & catalog

Open-source models with tool calling (measured)

Tool calling turns a model into an agent. Here is why it is a property of the serving stack, not the weights — and how to verify it before you build.

2026-08-12 · 5 min read

Models & catalog

Best open-source embedding models for RAG in 2026

Dimensions, context, cost: the measured facts that decide which open-source embedding model to index your RAG corpus with — and why to lock it in early.

2026-08-11 · 6 min read

Engineering

Self-hosting an LLM vs. calling an API: the numbers

A rented H100 costs the same whether it serves one token or a billion. Here is the break-even against per-token pricing, and how to compute your own.

2026-08-06 · 8 min read

Models & catalog

Best open-source AI models for EU businesses, 2026

GLM-5.3, Qwen3.8, DeepSeek V4 Flash, Kimi K3, Llama 3.3, Gemma 3: which open-weight models are worth deploying, what they cost, and which run on EU sovereign infrastructure.

2026-08-03 · 7 min read

Sovereignty & compliance

Cloud and GDPR: why a US EU data centre isn't enough

A US company's EU data centre does not put your prompts outside US jurisdiction. The legal mechanism, and how to verify a provider's real exposure.

2026-08-03 · 7 min read

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