ChatGPT vs DeepSeek
Side-by-side analysis, no fluff. We've tested both in real-world conditions.
Summary table
Freemium
Freemium
What's best about ChatGPT
- Most complete ecosystem on the market: custom GPTs, Sora, Codex, and Agent Mode in one subscription
- Agent Mode carries out multi-step tasks (bookings, forms, research) with minimal supervision
- Advanced Voice Mode is the most natural of any assistant available today
- Deep Research compresses hours of research into minutes, with cited sources
- The lowest learning curve of the three major assistants
What's best about DeepSeek
- GPT-4-class reasoning at $0 with no usage limits
- Open-source (Apache 2.0) — self-hostable for complete privacy
- API 10–30× cheaper than OpenAI equivalent tiers
- Excellent on math, logic, and coding tasks
What's weakest about ChatGPT
- Sol's latency climbs noticeably during peak demand
- Free-tier chats train the model by default unless you opt out manually
- Pro at $200/mo only pays off if you actually use Sol Pro or the full 250 Deep Research runs
- Less precise than Claude on long, complex code refactors
What's weakest about DeepSeek
- Data stored on Chinese servers (privacy concern for sensitive work)
- Censors politically sensitive content per Chinese regulations
- Weaker creative writing and long-form content than Claude
- No image generation or multimodal input
Graphical Comparison
Visual analysis of performance and features
Dimension scores
ChatGPT is the obvious pick if you value the world's most-used ai assistant, now running gpt-5.6 sol and autonomous agents..
Frequently asked questions
Which is better, ChatGPT or DeepSeek?+
In our tests, ChatGPT (4.7/5) edges out DeepSeek (4.41/5). ChatGPT: The world's most-used AI assistant, now running GPT-5.6 Sol and autonomous agents.
Does ChatGPT have a free plan?+
Yes, ChatGPT has a free plan available. Paid plans start at $20/mo.
Does DeepSeek have a free plan?+
Yes, DeepSeek has a free plan available. Paid plans start at $0.
How does ChatGPT differ from DeepSeek?+
ChatGPT stands out for: Most complete ecosystem on the market: custom GPTs, Sora, Codex, and Agent Mode in one subscription; Agent Mode carries out multi-step tasks (bookings, forms, research) with minimal supervision. DeepSeek excels at: GPT-4-class reasoning at $0 with no usage limits; Open-source (Apache 2.0) — self-hostable for complete privacy.