Last updated 09-01-2026
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slAItor
slAItor is an online translation assistant built around large language models from the GPT family, combined with standard machine translation pipelines. Instead of returning a single translated string, it is designed for people who want more context around a translation: explanations, alternatives, style adjustments, and error checking.
The product targets language learners, translators, and professionals who need more than a quick paste-and-go result. Benjamin Marie, who holds a Ph.D. in machine translation and has spent more than a decade in MT research, built slAItor to explore what becomes possible when GPT-style models sit at the center of a translation workflow.
slAItor supports 28 language pairs across Chinese, English, French, German, Italian, Japanese, Portuguese, and Spanish. The site is upfront that raw translation quality can trail established systems in some cases, but positions itself on price and on features like step-by-step explanations, paraphrasing, and a checker mode that reviews your own drafts.
Translates across 28 language pairs spanning eight major languages
Step-by-step and checker modes cost 3 credits per 1,000 characters
Monthly plan lists at $25 for 800 credits with commercial-use rights
Paraphraser and style calibrator offer up to five alternative phrasings
Minimum query cost is 0.1 credit per translation request
Goes beyond plain translation with explanations, alternatives, and error checking.
Covers 28 pairs across eight widely used languages.
Grants full commercial rights to generated translations.
Founder has deep machine translation research background.
Site states translation quality can trail major online translation systems.
New subscriptions were closed when last checked.
Yearly plan pricing was not published on the homepage.
Streaming output can feel slow compared to the on-site demo.
How does slAItor pricing work?
slAItor uses a credit system tied to a subscription. Translating 1,000 characters costs 1 credit, while step-by-step and checker modes cost 3 credits per 1,000 characters. The monthly plan includes 800 credits and is listed at $25 per month. As of the latest site check, new subscriptions were closed with no seats available.
What AI models does slAItor use?
slAItor combines standard machine translation technology with large language models from the GPT family by OpenAI. The site notes it continues exploring alternatives, including developing its own model.
Can I use slAItor translations commercially?
Yes. slAItor grants subscribers an unlimited license to outputs that does not expire, including for commercial products and projects.
Does slAItor store my translation data?
Interactions are saved for 30 days to help resolve support issues. The site states it does not use customer data to train or improve slAItor models, though that policy may change with an opt-in for existing customers.
How fast is slAItor compared to its demo?
slAItor streams real translations in chunks and may take up to about one second per 20 words, which is slower than the interactive demo on slaitor.com suggests.