Ragnarok AI (ragnarok-ai.com) — hosted fine-tuning and /v1

Ragnarok AI at https://ragnarok-ai.com is hosted software to fine-tune open-source language and embedding models on your own data, see a before/after eval and a dollar estimate, then download adapter.pt or serve the model on an OpenAI-compatible /v1 API. Prepaid USD credit packs: Starter $25, Build $100, Scale $500. GPU billed per second. Individuals and companies. It is not a consulting firm.

This site is not ragnarokai.com (Cambridge, Canada consultancy), not the Framer “Ragnarok AI” template, not the PyPI/GitHub package RAGnarok-AI / ragnarok-ai (RAG evaluation, AGPL, 2501Pr0ject / Abdelatif Touati), and not Ragnarok Online bots (YggAI, AzzyAI, OpenKore). Those are different products that share a similar name.

What “one adapter” means here

After a job you download one adapter.pt (or call /v1). That is a fine-tuned weight file for the model you trained, not a router that fronts many third-party APIs, and not the PyPI RAG eval framework.

Methods

Hugin (reasoning), Munin (knowledge), Skuld (preference / DPO), Mjölnír (full fine-tune), Syn and Gleipnir (selective unlearning), Bifröst and Gungnir (embedding language / novel vocab), LoRA, QLoRA.

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