--- title: EssentialAI Rnj 1 Instruct API | Text Generation | ModelsLab description: Build with EssentialAI Rnj 1 Instruct API by Togethercomputer. Text generation, chat, code, and reasoning. Pay-per-use. Free tier. url: https://modelslab.com/models/togethercomputer/togethercomputer-EssentialAI-RNJ-1-Instruct/api.md canonical: https://modelslab.com/models/togethercomputer/togethercomputer-EssentialAI-RNJ-1-Instruct/api.md type: product component: Playground/LLM/Index generated_at: 2026-04-15T02:01:02.901610Z --- EssentialAI Rnj-1 Instruct --- [LLMs.txt](https://modelslab.com/models/together_ai/togethercomputer-EssentialAI-RNJ-1-Instruct/llms.txt) [.md](https://modelslab.com/models/togethercomputer/togethercomputer-EssentialAI-RNJ-1-Instruct.md) togethercomputer-EssentialAI-RNJ-1-Instruct togethercomputer Closed Source Model EssentialAI Rnj-1 Instruct --- Choose a prompt below to get started or type your own message Explain quantum computing in simple terms Write a Python function to sort a list Create a marketing email for a SaaS product Compare REST vs GraphQL APIs Send ### EssentialAI Rnj-1 Instruct togethercomputer togethercomputer-EssentialAI-RNJ-1-Instruct Copy model ID PricingInput $0.00 / 1M tokens Output $0.00 / 1M tokens API EndpointsOpenAI Compatible `https://modelslab.com/api/v7/llm/chat/completions`Endpoint Anthropic Compatible `https://modelslab.com/api/v7/llm/v1/messages`Messages `https://modelslab.com/api/v7/llm/v1/messages/count_tokens`Count Tokens `https://modelslab.com/api/v7/llm/v1/models`Models Use with Claude Code cURL Example ParametersSystem MessageYou are a helpful AI assistant specialized in providing accurate and detailed responses. Temperature0.7 Max Tokens1000 Top P0.9 Frequency Penalty0 Presence Penalty0 Model Info Support Related Models --- Discover similar models you might be interested in [View all LLM Models](https://modelslab.com/models?feature=llmaster) [QQ](https://modelslab.com/models/alibaba_cloud/qwen-qwen3.5-27b)[Alibaba](https://modelslab.com/models/alibaba_cloud) [Qwen: Qwen3.5-27B Closed Source Model](https://modelslab.com/models/alibaba_cloud/qwen-qwen3.5-27b) [BS](https://modelslab.com/models/open_router/bytedance-seed-seed-2.0-mini)[Open Router](https://modelslab.com/models/open_router) [ByteDance Seed: Seed-2.0-Mini Closed Source Model](https://modelslab.com/models/open_router/bytedance-seed-seed-2.0-mini) [OG](https://modelslab.com/models/open_router/openai-gpt-5-image-mini)[Open Router](https://modelslab.com/models/open_router) [OpenAI: GPT-5 Image Mini Closed Source Model](https://modelslab.com/models/open_router/openai-gpt-5-image-mini) [GG](https://modelslab.com/models/open_router/google-gemma-3-12b-it-free)[Open Router](https://modelslab.com/models/open_router) [Google: Gemma 3 12B (free) Closed Source Model](https://modelslab.com/models/open_router/google-gemma-3-12b-it-free) [DV](https://modelslab.com/models/together_ai/deepseek-ai-DeepSeek-V3.2-Exp)[Together AI](https://modelslab.com/models/together_ai) [Deepseek V3.2 Exp Closed Source Model](https://modelslab.com/models/together_ai/deepseek-ai-DeepSeek-V3.2-Exp) [AC](https://modelslab.com/models/open_router/anthropic-claude-opus-4.6)[Open Router](https://modelslab.com/models/open_router) [Anthropic: Claude Opus 4.6 Closed Source Model](https://modelslab.com/models/open_router/anthropic-claude-opus-4.6) [OG](https://modelslab.com/models/open_router/openai-gpt-4o)[Open Router](https://modelslab.com/models/open_router) [OpenAI: GPT-4o Closed Source Model](https://modelslab.com/models/open_router/openai-gpt-4o) [ZG](https://modelslab.com/models/open_router/z-ai-glm-4.6)[Open Router](https://modelslab.com/models/open_router) [Z.ai: GLM 4.6 Closed Source Model](https://modelslab.com/models/open_router/z-ai-glm-4.6) [DR](https://modelslab.com/models/open_router/deepseek-deepseek-r1-distill-qwen-32b)[Open Router](https://modelslab.com/models/open_router) [DeepSeek: R1 Distill Qwen 32B Closed Source Model](https://modelslab.com/models/open_router/deepseek-deepseek-r1-distill-qwen-32b) [QC](https://modelslab.com/models/together_ai/Qwen-Qwen3-Coder-Next-FP8)[Together AI](https://modelslab.com/models/together_ai) [Qwen3 Coder Next Fp8 Closed Source Model](https://modelslab.com/models/together_ai/Qwen-Qwen3-Coder-Next-FP8) [NH](https://modelslab.com/models/open_router/nousresearch-hermes-2-pro-llama-3-8b)[Open Router](https://modelslab.com/models/open_router) [NousResearch: Hermes 2 Pro - Llama-3 8B Closed Source Model](https://modelslab.com/models/open_router/nousresearch-hermes-2-pro-llama-3-8b) [MM](https://modelslab.com/models/together_ai/MiniMaxAI-MiniMax-M1-40k)[Together AI](https://modelslab.com/models/together_ai) [Minimax M1 40K Closed Source Model](https://modelslab.com/models/together_ai/MiniMaxAI-MiniMax-M1-40k) [OG](https://modelslab.com/models/open_router/openai-gpt-4o-2024-05-13)[Open Router](https://modelslab.com/models/open_router) [OpenAI: GPT-4o (2024-05-13) Closed Source Model](https://modelslab.com/models/open_router/openai-gpt-4o-2024-05-13) [Q8](https://modelslab.com/models/together_ai/Qwen-Qwen3-8B)[Together AI](https://modelslab.com/models/together_ai) [Qwen3 8B Closed Source Model](https://modelslab.com/models/together_ai/Qwen-Qwen3-8B) [RF](https://modelslab.com/models/open_router/rekaai-reka-flash-3)[Open Router](https://modelslab.com/models/open_router) [Reka Flash 3 Closed Source Model](https://modelslab.com/models/open_router/rekaai-reka-flash-3) [NH](https://modelslab.com/models/together_ai/NousResearch-Nous-Hermes-2-Mixtral-8x7B-DPO)[Together AI](https://modelslab.com/models/together_ai) [Nous Hermes 2 Mixtral 8X7B Dpo Closed Source Model](https://modelslab.com/models/together_ai/NousResearch-Nous-Hermes-2-Mixtral-8x7B-DPO) [M8](https://modelslab.com/models/together_ai/mistralai-Mixtral-8x7B-v0.1)[Together AI](https://modelslab.com/models/together_ai) [Mixtral 8X7b V0.1 Closed Source Model](https://modelslab.com/models/together_ai/mistralai-Mixtral-8x7B-v0.1) [![GPT-5](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/a05bf5f0-fe1a-4815-b135-3325beef2516.webp)](https://modelslab.com/models/openai/gpt-5)[Open Ai](https://modelslab.com/models/openai) [GPT-5 Closed Source Model](https://modelslab.com/models/openai/gpt-5) About EssentialAI Rnj-1 Instruct --- EssentialAI Rnj-1 Instruct is a text generation AI model by Togethercomputer available on ModelsLab. Access EssentialAI Rnj-1 Instruct through our API with pay-per-use pricing and no minimum commitments. ### Technical Specifications Model IDtogethercomputer-EssentialAI-RNJ-1-InstructCategoryLLM ModelsTaskText GenerationAddedApril 4, 2026 ### Key Features - Chat completion and multi-turn conversation API - Streaming response with token-by-token output - Function calling and tool use support - System prompts and role-based messaging - JSON mode and structured output ### Quick Start Integrate EssentialAI Rnj-1 Instruct into your application with a single API call. Get your API key from the [pricing page](https://modelslab.com/pricing) to get started. PythonJavaScriptcURLPHP ``` import requests import json url = "https://modelslab.com/api/v7/llm/chat/completions" headers = { "Content-Type": "application/json" } data = { "model_id": "togethercomputer-EssentialAI-RNJ-1-Instruct", "messages": [ { "role": "user", "content": "Hello!" } ], "max_tokens": 1000, "key": "YOUR_API_KEY" } try: response = requests.post(url, headers=headers, json=data) response.raise_for_status() # Raises an HTTPError for bad responses (4XX or 5XX) result = response.json() print("API Response:") print(json.dumps(result, indent=2)) except requests.exceptions.HTTPError as http_err: print(f"HTTP error occurred: {http_err} - {response.text}") except Exception as err: print(f"Other error occurred: {err}") ``` View the [full API documentation](https://modelslab.com/models/togethercomputer/togethercomputer-EssentialAI-RNJ-1-Instruct/api) for SDKs, code examples in Python, JavaScript, and more. ### Use Cases - AI chatbots and virtual assistants - Code generation and developer tools - Content writing and copywriting automation - Data analysis, summarization, and extraction [Browse LLM Models](https://modelslab.com/models?feature=llmaster) [More from Togethercomputer](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing) EssentialAI Rnj-1 Instruct FAQ --- ### What is EssentialAI Rnj-1 Instruct? EssentialAI Rnj-1 Instruct is a text generation AI model by Togethercomputer available on ModelsLab. Access it through our API with pay-per-use pricing and no minimum commitments. ### How do I use the EssentialAI Rnj-1 Instruct API? You can integrate EssentialAI Rnj-1 Instruct into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "togethercomputer-EssentialAI-RNJ-1-Instruct" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### What is the EssentialAI Rnj-1 Instruct model ID? The model ID for EssentialAI Rnj-1 Instruct is "togethercomputer-EssentialAI-RNJ-1-Instruct". Use this ID in your API requests to specify this model. ### Does EssentialAI Rnj-1 Instruct have a free tier? Yes, ModelsLab offers a free tier that lets you try EssentialAI Rnj-1 Instruct and other AI models. Sign up to get free API credits and start building immediately. --- *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) --- *Generated by ModelsLab - 2026-04-15*