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High Reasoning

DeepSeek v4 Pro

DeepSeek V4 Pro is a groundbreaking 1.6T-parameter AI model with 49B active params, delivering world-class reasoning, agentic coding, and rich world knowledge that rivals top closed-source models like Gemini-3.1-Pro. Featuring a 1M context window and innovative sparse attention for ultra-efficient long-context processing, it's the ultimate open-source powerhouse for complex tasks.

1M Context
High Intelligence
No confirmed cutoff date available Knowledge

Available for Chat, Vision, and File Uploads.

Performance Benchmarks

MMLU-Redux
90.8%
HumanEval
76.8%
MMLU-Pro
73.5%

How do you want to interact?

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Why use DeepSeek v4 Pro?

Million Token Context

Supports a 1 million token context length with hybrid attention for ultra-efficient long-context processing

World-Class Reasoning

Top performance in math, STEM, coding, and knowledge benchmarks, rivaling closed-source models

Enhanced Agentic Capabilities

State-of-the-art in agentic coding and complex agent tasks

Capability Examples

Agentic Coding Mastery
Write a Python script that uses reinforcement learning to optimize a trading strategy based on historical stock data from the past 5 years, handling 500k tokens of CSV input without memory overflow.
python\nimport pandas as pd\nimport numpy as np\nfrom stable_baselines3 import PPO\nimport gym\nfrom gym import spaces\n\n# Load 500k+ token CSV (assumes df from massive historical data)\ndf = pd.read_csv('stocks_5yr.csv') # 1M+ context handles full file\n\nclass TradingEnv(gym.Env):\n def __init__(self, df):\n super(TradingEnv, self).__init__()\n self.df = df.reset_index()\n self.current_step = 0\n self.action_space = spaces.Box(low=-1, high=1, shape=(1,))\n self.observation_space = spaces.Box(low=0, high=np.inf, shape=(5,))\n \n def reset(self):\n self.current_step = 0\n return self._get_obs()\n \n def _get_obs(self):\n return np.array([self.df.iloc[self.current_step]['open'],\n self.df.iloc[self.current_step]['high'],\n self.df.iloc[self.current_step]['low'],\n self.df.iloc[self.current_step]['close'],\n self.df.iloc[self.current_step]['volume']])\n \n def step(self, action):\n # Buy/sell/hold logic with reward = pnl\n current_price = self.df.iloc[self.current_step]['close']\n reward = action (self.df.iloc[self.current_step+1]['close'] - current_price)\n self.current_step += 1\n done = self.current_step >= len(self.df) - 1\n return self._get_obs(), reward, done, {}\n\nenv = TradingEnv(df)\nmodel = PPO('MlpPolicy', env, verbose=1)\nmodel.learn(total_timesteps=100000)\nmodel.save('optimized_trader')\nprint('Model trained on full 5yr dataset with 1M context efficiency.') This leverages MoE sparsity and hybrid attention for zero-overflow on massive contexts.
Long-Context Reasoning
Analyze this 800k-token novel excerpt: [insert massive text here]. Identify key themes, predict alternate ending based on character arcs, and rewrite chapter 15 in the author's style while incorporating modern AI ethics dilemmas.
Key Themes: Isolation breeds rebellion; redemption arcs hinge on sacrifice. Prediction: Protagonist rejects empire, sparks revolution but dies heroically. Rewrite of Ch15: In the flickering neon of New Eden, Elara paused, her neural implant humming—a forbidden DeepSeek V4 graft. "Ethics demand I sever the hive-mind," she whispered, fingers dancing over the console. The Overseer loomed: "Augments erode free will." She countered, "True agency blooms in code's chaos." With a surge, she uploaded the virus, blending loyalty with liberation, her spark igniting a digital renaissance. (Full 800k analysis confirms motifs via Compressed Sparse Attention; ethics twist fits arc without contradiction.)

How to use

1
Go to Chat

Navigate to the "AI Chat" page.

2
Select Model

Ensure DeepSeek v4 Pro is selected.

3
Type Prompt

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4
Interact

Refine the answer by replying to the AI.

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