--- title: MiniMax: MiniMax M3.1 Flash (free) | Text Generation | ModelsLab description: Build with MiniMax: MiniMax M3.1 Flash (free) API by MiniMax. Text generation, chat, code, and reasoning. Plans from $21/month. url: https://modelslab.com/models/minimax/minimax-minimax-m3.1-flash-free.md canonical: https://modelslab.com/models/minimax/minimax-minimax-m3.1-flash-free type: product component: Playground/LLM/Index generated_at: 2026-10-21T07:16:21.036492Z --- MiniMax: MiniMax M3.1 Flash (free) --- [LLMs.txt](https://modelslab.com/models/minimax/minimax-minimax-m3.1-flash-free/llms.txt) [.md](https://modelslab.com/models/minimax/minimax-minimax-m3.1-flash-free.md) MiniMax: MiniMax M3.1 Flash (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 ### MiniMax: MiniMax M3.1 Flash (free) minimax minimax-minimax-m3.1-flash-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. [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) Related Models --- Discover similar models you might be interested in [View all LLM Models](https://modelslab.com/models?feature=llmaster) [#### Meta/Typhoon 2.1 12B scb10x-scb10x-typhoon-2-1-gemma3-12b From $0.24/M tokens](https://modelslab.com/models/meta/scb10x-scb10x-typhoon-2-1-gemma3-12b) [#### OpenAI/OpenAI: GPT-6 Astra Pro (batch) openai-gpt-6-astra-pro-batch From $15.00/M tokens](https://modelslab.com/models/openai/openai-gpt-6-astra-pro-batch) [#### DeepSeek/DeepSeek: DeepSeek V4 Flash 0731 deepseek-deepseek-v4-flash-0731 From $0.88/M tokens](https://modelslab.com/models/deepseek/deepseek-deepseek-v4-flash-0731) [#### Google/Google: Gemini 3.1 Flash Lite Preview google-gemini-3.1-flash-lite-preview From $0.88/M tokens](https://modelslab.com/models/google/google-gemini-3.1-flash-lite-preview) [#### Qwen/Qwen3 Coder 30B A3b Instruct Qwen-Qwen3-Coder-30B-A3B-Instruct Free](https://modelslab.com/models/Qwen/Qwen-Qwen3-Coder-30B-A3B-Instruct) [#### Cohere/Cohere: Command R+ (08-2024) cohere-command-r-plus-08-2024 From $6.25/M tokens](https://modelslab.com/models/cohere/cohere-command-r-plus-08-2024) [#### Meta/Meta: Muse Glimmer 30B meta-muse-glimmer-30b From $0.75/M tokens](https://modelslab.com/models/meta/meta-muse-glimmer-30b) [#### Qwen/Qwen: Qwen3 Next 80B A3B Thinking qwen-qwen3-next-80b-a3b-thinking From $0.68/M tokens](https://modelslab.com/models/qwen/qwen-qwen3-next-80b-a3b-thinking) [#### Liquid/LiquidAI: LFM2.5-24B-A2B liquid-lfm-2.5-24b-a2b From $0.38/M tokens](https://modelslab.com/models/liquid/liquid-lfm-2.5-24b-a2b) [#### Google/Google: Gemini 3.6 Flash google-gemini-3.6-flash From $2.25/M tokens](https://modelslab.com/models/google/google-gemini-3.6-flash) [#### Z.ai/Z.ai: GLM 5.3 Flash z-ai-glm-5.3-flash From $0.21/M tokens](https://modelslab.com/models/z-ai/z-ai-glm-5.3-flash) [#### Qwen/Qwen: Qwen3.8 Omni Flash qwen-qwen3.8-omni-flash From $0.31/M tokens](https://modelslab.com/models/qwen/qwen-qwen3.8-omni-flash) [#### Qwen/Qwen: Qwen2.5 7B Instruct qwen-qwen-2.5-7b-instruct From $0.15/M tokens](https://modelslab.com/models/qwen/qwen-qwen-2.5-7b-instruct) [#### DeepSeek/DeepSeek: DeepSeek V4.1 Flash deepseek-deepseek-v4.1-flash From $0.21/M tokens](https://modelslab.com/models/deepseek/deepseek-deepseek-v4.1-flash) [#### 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) [#### Meta/Llama 4 Scout Instruct (17Bx16E) meta-llama-Llama-4-Scout-17B-16E-Instruct From $0.39/M tokens](https://modelslab.com/models/meta/meta-llama-Llama-4-Scout-17B-16E-Instruct) [#### Meituan/Meituan: LongCat 2.0 meituan-longcat-2.0 From $0.75/M tokens](https://modelslab.com/models/meituan/meituan-longcat-2.0) [#### OpenAI/OpenAI: GPT-6 Luna Pro openai-gpt-6-luna-pro From $0.30/M tokens](https://modelslab.com/models/openai/openai-gpt-6-luna-pro) About MiniMax: MiniMax M3.1 Flash (Free) --- MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity. It is built for complex,... ### Technical Specifications Model IDminimax-minimax-m3.1-flash-free CategoryLLM Models TaskText Generation AddedOctober 19, 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 MiniMax: MiniMax M3.1 Flash (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": "minimax-minimax-m3.1-flash-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 MiniMax](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing) MiniMax: MiniMax M3.1 Flash (Free) FAQ --- ### What is MiniMax: MiniMax M3.1 Flash (Free)? MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity. It is built for complex,... ### How do I use the MiniMax: MiniMax M3.1 Flash (Free) API? You can integrate MiniMax: MiniMax M3.1 Flash (Free) into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "minimax-minimax-m3.1-flash-free" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### What is the MiniMax: MiniMax M3.1 Flash (Free) model ID? The model ID for MiniMax: MiniMax M3.1 Flash (Free) is "minimax-minimax-m3.1-flash-free". Use this ID in your API requests to specify this model. ### Do I need a paid plan to use MiniMax: MiniMax M3.1 Flash (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 - 2026-10-21*