--- title: Mistral: Mistral Small 3.1 24B | Text Generation | ModelsLab description: Build with Mistral: Mistral Small 3.1 24B API by Mistralai. Text generation, chat, code, and reasoning. Pay-per-use. Free tier. url: https://modelslab.com/models/mistralai/mistralai-mistral-small-3.1-24b-instruct/api.md canonical: https://modelslab.com/models/mistralai/mistralai-mistral-small-3.1-24b-instruct/api.md type: product component: Playground/LLM/Index generated_at: 2026-04-15T02:08:52.361395Z --- Mistral: Mistral Small 3.1 24B --- [LLMs.txt](https://modelslab.com/models/open_router/mistralai-mistral-small-3.1-24b-instruct/llms.txt) [.md](https://modelslab.com/models/mistralai/mistralai-mistral-small-3.1-24b-instruct.md) mistralai-mistral-small-3.1-24b-instruct mistralai Closed Source Model $0.455000 / call Mistral: Mistral Small 3.1 24B --- 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 ### Mistral: Mistral Small 3.1 24B mistralai mistralai-mistral-small-3.1-24b-instruct Copy model ID PricingInput $0.35 / 1M tokens Output $0.56 / 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) [MM](https://modelslab.com/models/open_router/minimax-minimax-m1)[Open Router](https://modelslab.com/models/open_router) [MiniMax: MiniMax M1 Closed Source Model](https://modelslab.com/models/open_router/minimax-minimax-m1) [BE](https://modelslab.com/models/open_router/baidu-ernie-4.5-vl-28b-a3b)[Open Router](https://modelslab.com/models/open_router) [Baidu: ERNIE 4.5 VL 28B A3B Closed Source Model](https://modelslab.com/models/open_router/baidu-ernie-4.5-vl-28b-a3b) [ML](https://modelslab.com/models/open_router/meta-llama-llama-3.2-11b-vision-instruct)[Open Router](https://modelslab.com/models/open_router) [Meta: Llama 3.2 11B Vision Instruct Closed Source Model](https://modelslab.com/models/open_router/meta-llama-llama-3.2-11b-vision-instruct) [ZG](https://modelslab.com/models/open_router/z-ai-glm-5.1)[Open Router](https://modelslab.com/models/open_router) [Z.ai: GLM 5.1 Closed Source Model](https://modelslab.com/models/open_router/z-ai-glm-5.1) [GG](https://modelslab.com/models/open_router/google-gemma-3n-e4b-it-free)[Open Router](https://modelslab.com/models/open_router) [Google: Gemma 3n 4B (free) Closed Source Model](https://modelslab.com/models/open_router/google-gemma-3n-e4b-it-free) [NH](https://modelslab.com/models/open_router/nousresearch-hermes-4-405b)[Open Router](https://modelslab.com/models/open_router) [Nous: Hermes 4 405B Closed Source Model](https://modelslab.com/models/open_router/nousresearch-hermes-4-405b) [XM](https://modelslab.com/models/open_router/xiaomi-mimo-v2-flash)[Open Router](https://modelslab.com/models/open_router) [Xiaomi: MiMo-V2-Flash Closed Source Model](https://modelslab.com/models/open_router/xiaomi-mimo-v2-flash) [OG](https://modelslab.com/models/open_router/openai-gpt-5.1-codex-max)[Open Router](https://modelslab.com/models/open_router) [OpenAI: GPT-5.1-Codex-Max Closed Source Model](https://modelslab.com/models/open_router/openai-gpt-5.1-codex-max) [![GPT-5-nano](https://images.stablediffusionapi.com/?Image=https://assets.modelslab.ai/generations/264a17fd-e3e6-4145-a644-88e3c644638f.webp)](https://modelslab.com/models/openai/gpt-5-nano)[Open Ai](https://modelslab.com/models/openai) [GPT-5-nano Closed Source Model](https://modelslab.com/models/openai/gpt-5-nano) [PS](https://modelslab.com/models/open_router/perplexity-sonar-pro-search)[Open Router](https://modelslab.com/models/open_router) [Perplexity: Sonar Pro Search Closed Source Model](https://modelslab.com/models/open_router/perplexity-sonar-pro-search) [Q3](https://modelslab.com/models/together_ai/Qwen-Qwen3-30B-A3B-Base)[Together AI](https://modelslab.com/models/together_ai) [Qwen3 30B A3b Base Closed Source Model](https://modelslab.com/models/together_ai/Qwen-Qwen3-30B-A3B-Base) [NN](https://modelslab.com/models/together_ai/nvidia-NVIDIA-Nemotron-3-Nano-30B-A3B-BF16)[Together AI](https://modelslab.com/models/together_ai) [Nvidia Nemotron 3 Nano 30B A3b Bf16 Closed Source Model](https://modelslab.com/models/together_ai/nvidia-NVIDIA-Nemotron-3-Nano-30B-A3B-BF16) [QQ](https://modelslab.com/models/open_router/qwen-qwen3-14b)[Open Router](https://modelslab.com/models/open_router) [Qwen: Qwen3 14B Closed Source Model](https://modelslab.com/models/open_router/qwen-qwen3-14b) [RR](https://modelslab.com/models/open_router/relace-relace-apply-3)[Open Router](https://modelslab.com/models/open_router) [Relace: Relace Apply 3 Closed Source Model](https://modelslab.com/models/open_router/relace-relace-apply-3) [TR](https://modelslab.com/models/open_router/thedrummer-rocinante-12b)[Open Router](https://modelslab.com/models/open_router) [TheDrummer: Rocinante 12B Closed Source Model](https://modelslab.com/models/open_router/thedrummer-rocinante-12b) [XG](https://modelslab.com/models/open_router/x-ai-grok-4.20-multi-agent)[Open Router](https://modelslab.com/models/open_router) [xAI: Grok 4.20 Multi-Agent Closed Source Model](https://modelslab.com/models/open_router/x-ai-grok-4.20-multi-agent) [MD](https://modelslab.com/models/open_router/mistralai-devstral-small)[Open Router](https://modelslab.com/models/open_router) [Mistral: Devstral Small 1.1 Closed Source Model](https://modelslab.com/models/open_router/mistralai-devstral-small) [DR](https://modelslab.com/models/open_router/deepseek-deepseek-r1-0528)[Open Router](https://modelslab.com/models/open_router) [DeepSeek: R1 0528 Closed Source Model](https://modelslab.com/models/open_router/deepseek-deepseek-r1-0528) About Mistral: Mistral Small 3.1 24B --- Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities. It provides state-of-the-art performance in text-based reasoning and... ### Technical Specifications Model IDmistralai-mistral-small-3.1-24b-instructCategoryLLM ModelsTaskText GenerationPrice$0.455000 per million tokensAddedFebruary 20, 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 Mistral: Mistral Small 3.1 24B 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": "mistralai-mistral-small-3.1-24b-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/mistralai/mistralai-mistral-small-3.1-24b-instruct/api) for SDKs, code examples in Python, JavaScript, and more. ### Pricing Mistral: Mistral Small 3.1 24B API costs $0.455000 per million tokens. Pay only for what you use with no minimum commitments. [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 Mistralai](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing) Mistral: Mistral Small 3.1 24B FAQ --- ### What is Mistral: Mistral Small 3.1 24B? Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities. It provides state-of-the-art performance in text-based reasoning and... ### How do I use the Mistral: Mistral Small 3.1 24B API? You can integrate Mistral: Mistral Small 3.1 24B into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "mistralai-mistral-small-3.1-24b-instruct" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does Mistral: Mistral Small 3.1 24B cost? Mistral: Mistral Small 3.1 24B costs $0.455000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started. ### What is the Mistral: Mistral Small 3.1 24B model ID? The model ID for Mistral: Mistral Small 3.1 24B is "mistralai-mistral-small-3.1-24b-instruct". Use this ID in your API requests to specify this model. ### Does Mistral: Mistral Small 3.1 24B have a free tier? Yes, ModelsLab offers a free tier that lets you try Mistral: Mistral Small 3.1 24B 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*