--- title: Perceptron: Perceptron Mk1.5 | Text Generation | ModelsLab description: Build with Perceptron: Perceptron Mk1.5 API by Perceptron. Text generation, chat, code, and reasoning. Plans from $21/month. url: https://modelslab.com/models/perceptron/perceptron-perceptron-mk1.5.md canonical: https://modelslab.com/models/perceptron/perceptron-perceptron-mk1.5 type: product component: Playground/LLM/Index generated_at: 2026-09-30T08:17:09.769882Z --- Perceptron: Perceptron Mk1.5 --- [LLMs.txt](https://modelslab.com/models/perceptron/perceptron-perceptron-mk1.5/llms.txt) [.md](https://modelslab.com/models/perceptron/perceptron-perceptron-mk1.5.md) Perceptron: Perceptron Mk1.5 --- 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 images and text files Send ### Perceptron: Perceptron Mk1.5 perceptron perceptron-perceptron-mk1.5 Copy model ID PricingInput $0.15 / 1M tokens Output $1.50 / 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 Tokens4000 Top P0.9 Frequency Penalty0 Presence Penalty0 Thinkinglow lowmediumhigh Deeper thinking spends more of the Max Tokens budget before the answer starts. Model Info Support Looking for something different? --- Models that trade off differently against the one you are viewing ### Better quality Newer flagship models that generally produce stronger results. [OpenAI](https://modelslab.com/models/openai) [GPT 5.2](https://modelslab.com/models/openai/gpt-5.2) [OpenAI](https://modelslab.com/models/openai) [GPT 5.1](https://modelslab.com/models/openai/gpt5.1) [Google](https://modelslab.com/models/google) [Gemini 3 Pro Preview](https://modelslab.com/models/google/gemini-3-pro-preview) [OpenAI](https://modelslab.com/models/openai) [GPT-5.1-Codex-Max](https://modelslab.com/models/openai/gpt-5.1-codex-max) ### Lower cost per run Open-source models we host, unlimited on the $149/month plan. [ModelsLab](https://modelslab.com/models/modelslab) Popular [Modelslab: Custom LLM](https://modelslab.com/models/modelslab/uncensored-chat)Open Source Model [Qwen](https://modelslab.com/models/open_router) [Qwen: Qwen3 235B A22B Instruct 2507](https://modelslab.com/models/qwen/qwen-qwen3-235b-a22b-2507)Closed Source Model [OpenAI](https://modelslab.com/models/openai) [gpt-oss-20b](https://modelslab.com/models/openai/gpt-oss-20b)Closed Source Model [DeepSeek](https://modelslab.com/models/open_router) [DeepSeek: DeepSeek V4 Flash 0423](https://modelslab.com/models/deepseek/deepseek-deepseek-v4-flash)Closed Source Model [Qwen](https://modelslab.com/models/open_router) [Qwen: Qwen3.5-9B](https://modelslab.com/models/qwen/qwen-qwen3.5-9b)Closed Source Model [Qwen](https://modelslab.com/models/open_router) [Qwen3.5 9B FP8](https://modelslab.com/models/Qwen/Qwen-Qwen3.5-9B)Closed Source Model Related Models --- Discover similar models you might be interested in [View all LLM Models](https://modelslab.com/models?feature=llmaster) [#### OpenAI/OpenAI: GPT-6.1 Sol Pro (batch) openai-gpt-6.1-sol-pro-batch From $3.00/M tokens](https://modelslab.com/models/openai/openai-gpt-6.1-sol-pro-batch) [#### NVIDIA/NVIDIA: Nemotron 3 Super nvidia-nemotron-3-super-120b-a12b From $0.27/M tokens](https://modelslab.com/models/nvidia/nvidia-nemotron-3-super-120b-a12b) [#### OpenAI/OpenAI: GPT Luna Latest openai-gpt-luna-latest From $0.30/M tokens](https://modelslab.com/models/openai/openai-gpt-luna-latest) [#### ByteDance Seed/ByteDance Seed: Seed 1.6 Flash bytedance-seed-seed-1.6-flash From $0.19/M tokens](https://modelslab.com/models/bytedance-seed/bytedance-seed-seed-1.6-flash) [#### Qwen/Qwen: Qwen-Plus qwen-qwen-plus From $0.52/M tokens](https://modelslab.com/models/qwen/qwen-qwen-plus) [#### Qwen/Qwen: Qwen2.5 VL 72B Instruct qwen-qwen2.5-vl-72b-instruct From $0.90/M tokens](https://modelslab.com/models/qwen/qwen-qwen2.5-vl-72b-instruct) [#### Google/Gemini 2.5 Flash Image Preview gemini-2.5-flash-image-preview From $1.40/M tokens](https://modelslab.com/models/google/gemini-2.5-flash-image-preview) [#### Qwen/Qwen2.5-VL (72B) Instruct Qwen-Qwen2.5-VL-72B-Instruct From $4.97/M tokens](https://modelslab.com/models/Qwen/Qwen-Qwen2.5-VL-72B-Instruct) [#### Google/Google: Gemini Flash Latest google-gemini-flash-latest From $2.25/M tokens](https://modelslab.com/models/google/google-gemini-flash-latest) [#### Qwen/Qwen2.5 72B Instruct Turbo Qwen-Qwen2.5-72B-Instruct-Turbo From $1.20/M tokens](https://modelslab.com/models/qwen/Qwen-Qwen2.5-72B-Instruct-Turbo) [#### Qwen/Qwen: Qwen3 VL 32B Instruct qwen-qwen3-vl-32b-instruct From $0.26/M tokens](https://modelslab.com/models/qwen/qwen-qwen3-vl-32b-instruct) [#### Qwen/Qwen: Qwen3 VL 235B A22B Thinking qwen-qwen3-vl-235b-a22b-thinking From $2.20/M tokens](https://modelslab.com/models/qwen/qwen-qwen3-vl-235b-a22b-thinking) [#### Qwen/Qwen: Qwen3.7 Plus qwen-qwen3.7-plus From $0.80/M tokens](https://modelslab.com/models/qwen/qwen-qwen3.7-plus) [#### DeepSeek/DeepSeek: DeepSeek V4 Flash Latest deepseek-deepseek-v4-flash-latest From $0.65/M tokens](https://modelslab.com/models/deepseek/deepseek-deepseek-v4-flash-latest) [#### Meta/Meta: Llama 3.1 70B Instruct meta-llama-llama-3.1-70b-instruct From $0.40/M tokens](https://modelslab.com/models/meta/meta-llama-llama-3.1-70b-instruct) [#### Z.ai/Z.ai: GLM 5.3 z-ai-glm-5.3 From $2.90/M tokens](https://modelslab.com/models/z-ai/z-ai-glm-5.3) [#### Meta/Meta: Muse Spark 1.3 meta-muse-spark-1.3 From $2.75/M tokens](https://modelslab.com/models/meta/meta-muse-spark-1.3) [#### Qwen/Qwen: Qwen3.7 Max qwen-qwen3.7-max From $2.95/M tokens](https://modelslab.com/models/qwen/qwen-qwen3.7-max) About Perceptron: Perceptron Mk1.5 --- Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annotations: points, boxes, polygons, tracks,... ### Technical Specifications Model IDperceptron-perceptron-mk1.5 CategoryLLM Models TaskText Generation Price$0.825 per million tokens AddedSeptember 25, 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 Perceptron: Perceptron Mk1.5 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": "perceptron-perceptron-mk1.5", "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}") ``` ### Pricing Perceptron: Perceptron Mk1.5 API costs $0.825 per million tokens. Plans start at $21/month, and open-source models are unlimited on the $149/month plan. [View pricing plans](https://modelslab.com/pricing) ### 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 Perceptron](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing) Perceptron: Perceptron Mk1.5 FAQ --- ### What is Perceptron: Perceptron Mk1.5? Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annotations: points, boxes, polygons, tracks,... ### How do I use the Perceptron: Perceptron Mk1.5 API? You can integrate Perceptron: Perceptron Mk1.5 into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "perceptron-perceptron-mk1.5" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does Perceptron: Perceptron Mk1.5 cost? Perceptron: Perceptron Mk1.5 costs $0.825 per million tokens. ModelsLab plans start at $21/month (Basic), and the $149/month Open Source plan includes unlimited generation on open-source models. ### What is the Perceptron: Perceptron Mk1.5 model ID? The model ID for Perceptron: Perceptron Mk1.5 is "perceptron-perceptron-mk1.5". Use this ID in your API requests to specify this model. ### Do I need a paid plan to use Perceptron: Perceptron Mk1.5? Yes. ModelsLab is subscription-based with no free tier — plans start at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generation across open-source models; premium third-party models are billed per call from your wallet. --- *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 - 2026-09-30*