--- title: Qwen: Qwen3.8 27B (free) API | Text Generation | ModelsLab description: Build with Qwen: Qwen3.8 27B (free) API by Qwen. Text generation, chat, code, and reasoning. Plans from $21/month. url: https://modelslab.com/models/qwen/qwen-qwen3.8-27b-free.md canonical: https://modelslab.com/models/qwen/qwen-qwen3.8-27b-free type: product component: Playground/LLM/Index generated_at: 2026-09-17T21:16:35.359362Z --- Qwen: Qwen3.8 27B (free) --- [LLMs.txt](https://modelslab.com/models/qwen/qwen-qwen3.8-27b-free/llms.txt) [.md](https://modelslab.com/models/qwen/qwen-qwen3.8-27b-free.md) Qwen: Qwen3.8 27B (free) --- 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 ### Qwen: Qwen3.8 27B (free) qwen qwen-qwen3.8-27b-free 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 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. [![GPT 5.2](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/2bdd00f4-1692-49d8-a562-72cb1753d0ff.png)](https://modelslab.com/models/openai/gpt-5.2)[OpenAI](https://modelslab.com/models/openai) [GPT 5.2](https://modelslab.com/models/openai/gpt-5.2) [![GPT 5.1](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/fad83520-47a8-4059-b4b9-b32adf4d0be7.png)](https://modelslab.com/models/openai/gpt5.1)[OpenAI](https://modelslab.com/models/openai) [GPT 5.1](https://modelslab.com/models/openai/gpt5.1) [![Gemini 3 Pro Preview](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/1846e76f-9d5c-4a35-a43a-82db45b7bb8b.png)](https://modelslab.com/models/google/gemini-3-pro-preview)[Google](https://modelslab.com/models/google) [Gemini 3 Pro Preview](https://modelslab.com/models/google/gemini-3-pro-preview) [![GPT-5.1-Codex-Max](https://images.modelslab.sh/?Image=https://assets.modelslab.ai/generations/06356c4c-df09-4ccb-a5c0-629da670f75b.png)](https://modelslab.com/models/openai/gpt-5.1-codex-max)[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: Custom LLM Popular](https://modelslab.com/models/modelslab/uncensored-chat)[ModelsLab](https://modelslab.com/models/modelslab) [Modelslab: Custom LLM](https://modelslab.com/models/modelslab/uncensored-chat) Related Models --- Discover similar models you might be interested in [View all LLM Models](https://modelslab.com/models?feature=llmaster) [#### OpenAI/OpenAI: GPT-6 Astra openai-gpt-6-astra From $30.00/M tokens](https://modelslab.com/models/openai/openai-gpt-6-astra) [#### Mistral AI/Mistral: Ministral 3 14B 2512 mistralai-ministral-14b-2512 From $0.20/M tokens](https://modelslab.com/models/mistralai/mistralai-ministral-14b-2512) [#### Z.ai/Z.ai: GLM 4.6 z-ai-glm-4.6 From $1.09/M tokens](https://modelslab.com/models/z-ai/z-ai-glm-4.6) [#### Mistral AI/Mistral: Mistral Medium 3.5 mistralai-mistral-medium-3-5 From $4.50/M tokens](https://modelslab.com/models/mistralai/mistralai-mistral-medium-3-5) [#### Marin/Marin 8B Instruct marin-community-marin-8b-instruct From $0.22/M tokens](https://modelslab.com/models/marin/marin-community-marin-8b-instruct) [#### Mistral AI/Mistral Large mistralai-mistral-large From $4.00/M tokens](https://modelslab.com/models/mistralai/mistralai-mistral-large) [#### Meta/Meta: Muse Spark 1.2 meta-muse-spark-1.2 From $2.75/M tokens](https://modelslab.com/models/meta/meta-muse-spark-1.2) [#### Google/Gemma 4 31B-it FP8 google-gemma-4-31B-it From $0.35/M tokens](https://modelslab.com/models/google/google-gemma-4-31B-it) [#### Moonshot AI/Kimi K2.6 Fp4 moonshotai-Kimi-K2.6 From $2.85/M tokens](https://modelslab.com/models/moonshotai/moonshotai-Kimi-K2.6) [#### DeepSeek/DeepSeek: DeepSeek V3.2 Exp deepseek-deepseek-v3.2-exp From $0.34/M tokens](https://modelslab.com/models/deepseek/deepseek-deepseek-v3.2-exp) [#### Google/Gemma 3 4b it google-gemma-3-4b-it From $0.06/M tokens](https://modelslab.com/models/google/google-gemma-3-4b-it) [#### Meta/Meta Llama 3.1 8B Instruct Turbo meta-llama-Meta-Llama-3.1-8B-Instruct-Turbo From $0.18/M tokens](https://modelslab.com/models/meta/meta-llama-Meta-Llama-3.1-8B-Instruct-Turbo) [#### Mistral AI/Mistral: Voxtral Small 24B 2507 mistralai-voxtral-small-24b-2507 From $0.20/M tokens](https://modelslab.com/models/mistralai/mistralai-voxtral-small-24b-2507) [#### OpenAI/OpenAI: GPT-4o openai-gpt-4o From $6.25/M tokens](https://modelslab.com/models/openai/openai-gpt-4o) [#### Z.ai/Z.ai: GLM 5 z-ai-glm-5 From $1.26/M tokens](https://modelslab.com/models/z-ai/z-ai-glm-5) [#### OpenAI/OpenAI: gpt-oss-120b openai-gpt-oss-120b From $0.10/M tokens](https://modelslab.com/models/openai/openai-gpt-oss-120b) [#### xAI/SpaceXAI: Grok 4.3 x-ai-grok-4.3 From $1.88/M tokens](https://modelslab.com/models/x-ai/x-ai-grok-4.3) [#### Google/Gemma 3 27B It google-gemma-3-27b-it From $0.12/M tokens](https://modelslab.com/models/google/google-gemma-3-27b-it) About Qwen: Qwen3.8 27B (Free) --- Qwen3.8 27B is an open-weight dense vision-language model from Qwen. It is suited for coding, professional workflows, research, multimodal interaction, and long-running agent tasks, with flexible thinking that can be... ### Technical Specifications Model IDqwen-qwen3.8-27b-free CategoryLLM Models TaskText Generation AddedSeptember 17, 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 Qwen: Qwen3.8 27B (Free) 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": "qwen-qwen3.8-27b-free", "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}") ``` ### 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 Qwen](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing) Qwen: Qwen3.8 27B (Free) FAQ --- ### What is Qwen: Qwen3.8 27B (Free)? Qwen3.8 27B is an open-weight dense vision-language model from Qwen. It is suited for coding, professional workflows, research, multimodal interaction, and long-running agent tasks, with flexible thinking that can be... ### How do I use the Qwen: Qwen3.8 27B (Free) API? You can integrate Qwen: Qwen3.8 27B (Free) into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "qwen-qwen3.8-27b-free" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### What is the Qwen: Qwen3.8 27B (Free) model ID? The model ID for Qwen: Qwen3.8 27B (Free) is "qwen-qwen3.8-27b-free". Use this ID in your API requests to specify this model. ### Do I need a paid plan to use Qwen: Qwen3.8 27B (Free)? 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 - 2026-09-18*