DeepSeek-V3
Last Updated on: Sep 12, 2025
DeepSeek-V3
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What is DeepSeek-V3?
DeepSeek V3 is the latest flagship Mixture‑of‑Experts (MoE) open‑source AI model from DeepSeek. It features 671 billion total parameters (with ~37 billion activated per token), supports up to 128K context length, and excels across reasoning, code generation, language, and multimodal tasks. On standard benchmarks, it rivals or exceeds proprietary models—including GPT‑4o and Claude 3.5—as a high-performance, cost-efficient alternative.
Who can use DeepSeek-V3 & how?
  • Developers & Engineers: Build open-source multimodal assistants, code tools, and long-context pipelines.
  • Researchers & Academics: Investigate novel MoE architectures, MLA, MTP, and reinforcement learning fine-tuning.
  • Enterprises: Deploy via Azure Foundry, Hugging Face, or DeepSeek API with token-based pricing.
  • Content & Data Teams: Create code, summaries, mathematical reasoning, and long-form insights at scale.
  • Open-Source Community: Access freely under MIT license; weights run locally or — via FP8 — on consumer hardware including Mac Studio equipped with M3 Ultra.

How to Use DeepSeek V3?
  • Get the Model: Available on Hugging Face or through Azure AI Foundry catalog.
  • Incorporate Into Projects: Use with OpenAI-compatible API, local frameworks like SGLang or LMDeploy; deploy with FP8 or BF16 precision.
  • Send Prompts: Submit up to 128K tokens; includes base and chat-tuned variants.
  • Fine-Tune & Use: Support via Supervised Fine-Tuning and Reinforcement Learning distillation from R1 improves reasoning clarity.
  • Monitor Metrics: Use benchmark insights and use token-based pricing ($0.0011–$0.0056 input; $0.0046–$0.011 output depending on cache and region).
What's so unique or special about DeepSeek-V3?
  • Massive MoE Architecture: Runs with 37B activated params per token—high efficiency.
  • Innovative Training: Uses Multi-Head Latent Attention and Multi-Token Prediction to speed up inference; trained on 14.8T tokens in FP8 over 2.78M GPU hours.
  • Benchmark Leadership: Scores 87–89% on MMLU, 90% on Math-500, 65% HumanEval, 75% MBPP; rivals GPT-4o and Claude 3.5.
  • Cost-Efficient Training & Inference: Developed for $5.6M and offers competitive edge pricing; inference at 60 TPS, runs even on Mac hardware.
  • Fully Open-Source: MIT license, open weights, API, and technical details available—including local deployment options.
Things We Like
  • Frontier-level performance rivaling closed models
  • Efficient inference and cost-effective training
  • 128K-token context supports long-document tasks
  • Open-source and MIT-licensed for flexibility
  • Consumer hardware support expands accessibility
Things We Don't Like
  • Large model size—needs hardware sophistication or FP8 tooling
  • Cache-hit pricing variations globally may complicate planning
  • Early iterations may need calibration for production consistency
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Pricing
Paid

API

$0.14/$0.28 per 1M tokens

$0.0004 per call
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FAQs

An advanced MoE open-source LLM with 671B total params, 128K context, and benchmark-topping performance.
Supports up to 128,000 tokens per request.
Scores 90% MMath-500, 87–89% MMLU, ~65% HumanEval; comparable to GPT‑4o and Claude 3.5.
Trained on 14.8T tokens using 2.78M H800 GPU hours at an estimated cost of $5.6M.
Yes—using FP8 weights on consumer GPUs (e.g., Mac Studio M3 Ultra at 20 TPS) or via cloud with Hugging Face.

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