Deepseek Reasoner
DeepSeek
deepseek/deepseek-reasoner
Focused deep reasoning
Context Window
131K
131,072 tokens
Max Output
16K
16,384 tokens
About this model
DeepSeek Reasoner (R1) is a reasoning-optimized model excelling in mathematical proofs, logical analysis, and complex problem solving. Trained with reinforcement learning, it features chain-of-thought reasoning.
Shares base architecture with V3.2 but with more aggressive reasoning strategy, suitable for deep analysis scenarios. Supports automatic disk caching.
Highlights
Deep reasoning optimized
Chain-of-thought
Math proof capability
Auto caching
Best For
Math & logic proofsComplex problem solvingScientific reasoning
2025-01-20671B (MoE)MoE TransformerDeepSeek LicenseOpen Source
Capabilities
ChatReasoningCodetoolscache
Aliases
deepseek-reasonerPricing (per 1M tokens)
| Pricing (per 1M tokens) | / 1M tokens |
|---|---|
| Input / 1M | $0.58 |
| Output / 1M | $2.30 |
| Cache Read | $0.06 |
Final prices shown
Quick Start
main.py
from openai import OpenAI client = OpenAI( base_url="https://api.chuizi.ai/v1", api_key="ck-your-key-here", ) response = client.chat.completions.create( model="deepseek/deepseek-reasoner", messages=[{"role": "user", "content": "Hello!"}], ) print(response.choices[0].message.content)