Head to head

DeepSeek vs ChatGPT

DeepSeek (DeepSeek) and ChatGPT (OpenAI) both sit in Writing. ChatGPT shipped more tracked changes in the last 30 days (12 vs 9). Every value below comes from the latest crawl of the vendors' own pages.

AttributeDeepSeek

DeepSeek

ChatGPT

OpenAI

SegmentWritingWriting
VersionDeepSeek-V4.1-FlashGPT-6 Astra
Entry costPay-as-you-go API pricing based on token consumption. No flat monthly fee.Pricing not published in the provided documentation
Pricing tiersdeepseek-flash (Input Cache Hit - Off-Peak) $0.003 · deepseek-flash (Input Cache Hit - Peak) $0.006 · deepseek-flash (Input Cache Miss - Off-Peak) $0.15 · deepseek-flash (Input Cache Miss - Peak) $0.3 · deepseek-flash (Output - Off-Peak) $0.6 · deepseek-flash (Output - Peak) $1.2Free Tier free
Model stackDeepSeek-R1 · DeepSeek-V3.2 · deepseek-v4-flash · DeepSeek-V4-Flash-0731 · DeepSeek-V4-Flash-Vision-Exp · DeepSeek-V4-Pro · DeepSeek-V4-Pro-0813 · DeepSeek-V4.1-FlashGPT Image · GPT-5.2 · GPT-5.2 Thinking · GPT-5.4 · gpt-5.6 · gpt-6-astra
Context window1M196K tokens on Plus
Public API
Routes models
Changes / 30d912
OriginChinaGlobal
CapabilitiesReasoning mode, Open weights (MIT), OpenAI-compatible API, Context caching, Function calling, Thinking Mode, Context Caching, JSON OutputVoice mode, Deep research, Canvas, Agent mode, Projects, Connectors, Realtime API, Voice agents

DeepSeek

Hangzhou lab whose V and R series models are released under permissive licences and undercut Western API pricing by an order of magnitude.

Full DeepSeek record →

ChatGPT

The most widely used consumer AI assistant, spanning writing, analysis, images and voice.

Full ChatGPT record →
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