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About Arcee AI: Trinity Large Thinking
Trinity Large Thinking is a powerful open source reasoning model from the team at Arcee AI. It shows strong performance in PinchBench, agentic workloads, and reasoning tasks. Launch video: https://youtu.be/Gc82AXLa0Rg?si=4RLn6WBz33qT--B7
Technical Specifications
- Model ID
- arcee-ai-trinity-large-thinking
- Category
- LLM Models
- Task
- Text Generation
- Price
- $0.535000 per million tokens
- Added
- April 1, 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 Arcee AI: Trinity Large Thinking into your application with a single API call. Get your API key from the pricing page to get started.
import requestsimport jsonurl = "https://modelslab.com/api/v7/llm/chat/completions"headers = {"Content-Type": "application/json"}data = {"model_id": "arcee-ai-trinity-large-thinking","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 for SDKs, code examples in Python, JavaScript, and more.
Pricing
Arcee AI: Trinity Large Thinking API costs $0.535000 per million tokens. Pay only for what you use with no minimum commitments. View pricing plans
Use Cases
- AI chatbots and virtual assistants
- Code generation and developer tools
- Content writing and copywriting automation
- Data analysis, summarization, and extraction
Arcee AI: Trinity Large Thinking FAQ
Trinity Large Thinking is a powerful open source reasoning model from the team at Arcee AI. It shows strong performance in PinchBench, agentic workloads, and reasoning tasks. Launch video: https://youtu.be/Gc82AXLa0Rg?si=4RLn6WBz33qT--B7
You can integrate Arcee AI: Trinity Large Thinking into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "arcee-ai-trinity-large-thinking" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.
Arcee AI: Trinity Large Thinking costs $0.535000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started.
The model ID for Arcee AI: Trinity Large Thinking is "arcee-ai-trinity-large-thinking". Use this ID in your API requests to specify this model.
Yes, ModelsLab offers a free tier that lets you try Arcee AI: Trinity Large Thinking and other AI models. Sign up to get free API credits and start building immediately.

