--- title: DeepSeek: DeepSeek V4.1 Flash (batch) | Text Generation | ModelsLab description: Build with DeepSeek: DeepSeek V4.1 Flash (batch) API by DeepSeek. Text generation, chat, code, and reasoning. Plans from $21/month. url: https://modelslab.com/models/deepseek/deepseek-deepseek-v4.1-flash-batch.md canonical: https://modelslab.com/models/deepseek/deepseek-deepseek-v4.1-flash-batch type: product component: Playground/LLM/Index generated_at: 2026-09-30T08:17:02.129322Z --- DeepSeek: DeepSeek V4.1 Flash (batch) --- [LLMs.txt](https://modelslab.com/models/deepseek/deepseek-deepseek-v4.1-flash-batch/llms.txt) [.md](https://modelslab.com/models/deepseek/deepseek-deepseek-v4.1-flash-batch.md) DeepSeek: DeepSeek V4.1 Flash (batch) --- 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 ### DeepSeek: DeepSeek V4.1 Flash (batch) deepseek deepseek-deepseek-v4.1-flash-batch Copy model ID PricingInput $0.112 / 1M tokens Output $0.336 / 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) [#### Qwen/Qwen: Qwen3 Coder 30B A3B Instruct qwen-qwen3-coder-30b-a3b-instruct From $0.17/M tokens](https://modelslab.com/models/qwen/qwen-qwen3-coder-30b-a3b-instruct) [#### Meta/Meta: Llama 4 Maverick meta-llama-llama-4-maverick From $0.42/M tokens](https://modelslab.com/models/meta/meta-llama-llama-4-maverick) [#### Qwen/Qwen: Qwen3.5-35B-A3B qwen-qwen3.5-35b-a3b From $0.73/M tokens](https://modelslab.com/models/qwen/qwen-qwen3.5-35b-a3b) [#### Google/Google: Gemini 3.7 Flash google-gemini-3.7-flash From $2.25/M tokens](https://modelslab.com/models/google/google-gemini-3.7-flash) [#### 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) [#### inclusionAI/inclusionAI: Ling 3.0 Flash Fin inclusionai-ling-3.0-flash-fin From $0.12/M tokens](https://modelslab.com/models/inclusionai/inclusionai-ling-3.0-flash-fin) [#### Fireworks/Fireworks: Ember-1 fireworks-ember-1 From $9.00/M tokens](https://modelslab.com/models/fireworks/fireworks-ember-1) [#### Qwen/Qwen: Qwen3.5-Flash qwen-qwen3.5-flash-02-23 From $0.16/M tokens](https://modelslab.com/models/qwen/qwen-qwen3.5-flash-02-23) [#### Anthropic/Anthropic: Claude Sonnet 4.5 anthropic-claude-sonnet-4.5 From $9.00/M tokens](https://modelslab.com/models/anthropic/anthropic-claude-sonnet-4.5) [#### Meta/Meta Llama 3 70B Instruct Turbo meta-llama-Meta-Llama-3-70B-Instruct-Turbo From $0.88/M tokens](https://modelslab.com/models/meta/meta-llama-Meta-Llama-3-70B-Instruct-Turbo) [#### Qwen/Qwen: Qwen3 235B A22B Thinking 2507 qwen-qwen3-235b-a22b-thinking-2507 From $1.26/M tokens](https://modelslab.com/models/qwen/qwen-qwen3-235b-a22b-thinking-2507) [#### Alibaba Cloud/Qwen: Qwen3.5-122B-A10B qwen-qwen3.5-122b-a10b From $1.80/M tokens](https://modelslab.com/models/alibaba_cloud/qwen-qwen3.5-122b-a10b) [#### Moonshot AI/Kimi K2.6 Fp4 moonshotai-Kimi-K2.6 From $2.85/M tokens](https://modelslab.com/models/moonshotai/moonshotai-Kimi-K2.6) [#### OpenAI/OpenAI: GPT-6.1 Sol (batch) openai-gpt-6.1-sol-batch From $3.00/M tokens](https://modelslab.com/models/openai/openai-gpt-6.1-sol-batch) [#### Google/Google: Gemini 3.7 Flash (batch) google-gemini-3.7-flash-batch From $1.13/M tokens](https://modelslab.com/models/google/google-gemini-3.7-flash-batch) [#### Prism Ml/PrismML: Ternary Bonsai 2 27B prism-ml-ternary-bonsai-2-27b From $0.29/M tokens](https://modelslab.com/models/prism-ml/prism-ml-ternary-bonsai-2-27b) [#### Anthropic/Anthropic: Claude Opus 5 anthropic-claude-opus-5 From $15.00/M tokens](https://modelslab.com/models/anthropic/anthropic-claude-opus-5) [#### Qwen/Qwen: Qwen3 VL 8B Thinking qwen-qwen3-vl-8b-thinking From $1.14/M tokens](https://modelslab.com/models/qwen/qwen-qwen3-vl-8b-thinking) About DeepSeek: DeepSeek V4.1 Flash (Batch) --- DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on... ### Technical Specifications Model IDdeepseek-deepseek-v4.1-flash-batch CategoryLLM Models TaskText Generation Price$0.224 per million tokens AddedSeptember 22, 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 DeepSeek: DeepSeek V4.1 Flash (Batch) 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": "deepseek-deepseek-v4.1-flash-batch", "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 DeepSeek: DeepSeek V4.1 Flash (Batch) API costs $0.224 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 DeepSeek](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing) DeepSeek: DeepSeek V4.1 Flash (Batch) FAQ --- ### What is DeepSeek: DeepSeek V4.1 Flash (Batch)? DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on... ### How do I use the DeepSeek: DeepSeek V4.1 Flash (Batch) API? You can integrate DeepSeek: DeepSeek V4.1 Flash (Batch) into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "deepseek-deepseek-v4.1-flash-batch" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does DeepSeek: DeepSeek V4.1 Flash (Batch) cost? DeepSeek: DeepSeek V4.1 Flash (Batch) costs $0.224 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 DeepSeek: DeepSeek V4.1 Flash (Batch) model ID? The model ID for DeepSeek: DeepSeek V4.1 Flash (Batch) is "deepseek-deepseek-v4.1-flash-batch". Use this ID in your API requests to specify this model. ### Do I need a paid plan to use DeepSeek: DeepSeek V4.1 Flash (Batch)? 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*