DeepSeek-R1
DeepSeek-R1 is an elite open-reasoning model trained via large-scale reinforcement learning (RL) without supervised fine-tuning. It matches OpenAI o1 across advanced mathematics, algorithmic coding, and scientific deduction.
Complex Mathematical Proofs, Algorithmic Problem Solving, and Chain-of-Thought Deep Reasoning
How to Access DeepSeek-R1 for Free
AratBazar verifies free tier access policies every week so users never run into unexpected billing surprises.
Official Free Tier Policy:
Free interactive web interface with 'DeepThink' mode enabled. Fully open-source model weights (including distilled 1.5B, 7B, 14B, 32B, and 70B models) available freely on Hugging Face.
Step-by-Step Access Instructions:
- Navigate to the official endpoint at https://chat.deepseek.com.
- Web Usage: Start typing directly in the web chat or create a free account without providing a credit card.
- Local Offline Execution: If running locally, install Ollama or vLLM and execute:
ollama run deepseek-r1. - Review the context window limit (128,000 tokens) to ensure your prompts fit within the allocated token allowance.
Technical Architecture & Specifications
| Parameter | Specification |
|---|---|
| Developer / Lab | DeepSeek AI |
| Primary Discipline | Reasoning & Math |
| Pricing Tier | 100% Free |
| Context Window | 128,000 tokens |
| Parameter Count | 671B MoE + Distilled Variants (1.5B to 70B) |
| License | MIT License (Distilled) & Permissive Open Weights |
| MMLU Benchmark Score | 90.8% |
| HumanEval (Coding) | 84.2% |
| MATH Benchmark | 97.3% |
| Release Date | 2025-01-20 |
| Last Verified Date | 2026-09-11 |
Independent Analytical Assessment
Key Strengths & Advantages
- ✓World-record grade math and logic benchmark scores competing head-to-head with OpenAI o1
- ✓Full transparent step-by-step thinking traces available to verify logic
- ✓Distilled versions run smoothly on ordinary consumer laptops and gaming PCs
- ✓100% free web chat with zero required credit card or phone verification
Limitations & Trade-Offs
- ✗Chain-of-thought generation takes several seconds to deliberate before producing answers
- ✗Not intended for fast conversational pleasantries or quick chit-chat
Quick Access & Pricing
Direct official verification links.
Free online. API pricing is approximately $0.55 / 1M input tokens with prompt caching.