How the open-weight reasoning breakthrough compares to OpenAI's flagship platform.
DeepSeek R1 and V3 disrupted the entire AI industry with open-weights and fraction-of-a-cent API pricing. We compare DeepSeek's free capabilities against ChatGPT's paid $20/month Plus tier.
Open-weights reasoning model matching top closed frontier systems
Conversational AI agent capable of writing, reasoning, and analysis
Independent hands-on evaluation without sponsored marketing spin.
100% free web and mobile chat with no mandatory subscription; API is up to 90% cheaper than OpenAI.
Free tier is throttled during peak hours; full access to reasoning models requires $20/month Plus.
Open weights available on Hugging Face; run fully offline and privately via Ollama on local hardware.
Proprietary closed-weights hosted strictly on OpenAI cloud infrastructure.
Primarily text and code oriented; web interface lacks image synthesis or live duplex audio.
Rich multimodal experience with real-time audio voice, image editing with DALL-E, and third-party integrations.
Download and run DeepSeek R1 locally on your machine with zero server dependency or network calls.
When using the web chat, standard cloud privacy terms apply. To guarantee zero data sharing, download the DeepSeek R1 open weights and run them locally using Ollama.