ChatGPT vs DeepSeek

Side-by-side comparison for UK business buyers. Scores 0–5 from our evaluation rubric; ✓ = claimed or available.

Comparison at a glance

Dimension ChatGPT DeepSeek
Implementation friction (0–5) 4 4
Integration maturity (0–5) 5 3
Pricing transparency (0–5) 4 4
Security posture (0–5) 4 0
SME fit (0–5) 4 3
GDPR/DPA
Data location (UK/EU)
Starting price (GBP)
SSO
Audit logs

— = not yet evaluated or not stated. How we evaluate.

Tool details

ChatGPT GDPR/DPA

OpenAI’s chatbot for conversation, writing, code, and research. Widely used; UK SMEs can evaluate it via a free tier and clear paid plans.

Visit ChatGPT →

DeepSeek

DeepSeek’s conversational and coding models via chat and API. Low-cost API and free-tier chat; UK SMEs should confirm data residency and compliance for sensitive use.

Visit DeepSeek →

How we evaluate

We score tools on five dimensions (0–5) from public, verifiable information: implementation friction (ease of getting started), integration maturity (APIs, SSO, export), pricing transparency, security posture (heuristic from vendor statements), and SME fit (overall fit for time-poor, budget-conscious UK SMEs). We also record flags: GDPR/DPA claimed, UK/EU data hosting, SSO, and audit logs.