---
title: R1 1776 API | Text Generation | ModelsLab
description: Specialized large language reasoning engine with 671B parameters, 128k context, MIT-licensed for commercial use, optimized for uncensored, factual, and.
url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/perplexity/perplexity-ai-r1-1776.md
canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/perplexity/perplexity-ai-r1-1776.md
type: website
component: Special/NsfwGated
generated_at: 2026-07-11T22:02:42.638137Z
---

Llm

R1 1776
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model\_id: perplexity-ai-r1-1776

Specialized large language reasoning engine with 671B parameters, 128k context, MIT-licensed for commercial use, optimized for uncensored, factual, and multilingual responses—ideal for analytical and sensitive topic applications.

NSFW samples are gated
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This model produces NSFW content. Log in and enable NSFW in your account settings to view samples and run the model. The API and model parameters below are accessible regardless.

[Log in](https://modelslab-frontend-v2-927501783998.us-east4.run.app/login) [Browse other models](/models)

Use R1 1776 via the Modelslab API
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Send a POST request to the relevant endpoint with your API key and `model_id="perplexity-ai-r1-1776"`. The API does not enforce the same NSFW gating as the web playground — content moderation is handled by your account-level policy. Sign up to get an API key.

[Get an API key](https://modelslab-frontend-v2-927501783998.us-east4.run.app/register) [Read API docs](/docs)

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*This markdown version is optimized for AI agents and LLMs.*

**Links:**
- [Website](https://modelslab.com)
- [API Documentation](https://docs.modelslab.com)
- [Blog](https://modelslab.com/blog)

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*Generated by ModelsLab - 2026-07-12*