ChatGPT and DeepSeek both cover Writing, Coding, Learning & Research. ChatGPT: OpenAI's general-purpose assistant for writing, coding, research and images (Freemium). DeepSeek: Open-weight model lab with a chat app and very low-cost API (See official site). This page compares published facts only; we have not run a head-to-head test.
ChatGPT vs DeepSeek at a glance
| ChatGPT | DeepSeek | |
|---|---|---|
| Made by | OpenAI | DeepSeek |
| What it is | ChatGPT is OpenAI's general-purpose assistant. Its pricing page lists deep research, image generation, voice, file uploads and data analysis, projects, scheduled tasks, custom GPTs, the Codex coding agent and extensions for Excel, Word, PowerPoint and Google Sheets. The free tier covers everyday chat; paid tiers raise limits and unlock stronger reasoning models. | DeepSeek researches general-purpose large models and has open-sourced models such as DeepSeek-V4 and DeepSeek-R1. It offers a chat app plus a developer API billed per token, with a 1M-token context window and both OpenAI- and Anthropic-compatible endpoints, so many coding tools can plug in directly. A strong choice if you want capable reasoning at low cost. |
| Good for | Draft emails, articles and copy Analyze spreadsheets and data files Write and fix code with Codex Produce deep research reports | Writing, analysis and reasoning questions Power coding tools as the backend model Batch-process text through the API Self-host the open-weight models |
| Use cases | Writing, Coding, Learning & Research, Office & Slides | Writing, Coding, Learning & Research |
| Pricing model | Freemium | See official site |
| Pricing details | Free, Go, Plus and Pro plans plus Business/Enterprise, billed monthly or yearly; prices are shown per region, see the official page. | API is billed per 1M tokens (official page, 2026-11-14): deepseek-flash input (cache miss) $0.30 peak / $0.15 off-peak, cache hit $0.006 / $0.003, output $1.20 peak / $0.60 off-peak; deepseek-v4-pro input (cache miss) $1.32 peak / $0.66 off-peak, output $3.96 peak / $1.98 off-peak. Off-peak is half the peak rate (peak = 01:00–04:00 and 06:00–10:00 UTC on weekdays). Web search and web fetch $0.75 per 1,000 each; file parsing/OCR $0.225 per 1,000 pages. Check the site for chat app pricing. |
| Sources | chatgpt.com | api-docs.deepseek.com |
| Last verified |
FAQ
Is ChatGPT or DeepSeek cheaper?
ChatGPT: Free, Go, Plus and Pro plans plus Business/Enterprise, billed monthly or yearly; prices are shown per region, see the official page. DeepSeek: API is billed per 1M tokens (official page, 2026-11-14): deepseek-flash input (cache miss) $0.30 peak / $0.15 off-peak, cache hit $0.006 / $0.003, output $1.20 peak / $0.60 off-peak; deepseek-v4-pro input (cache miss) $1.32 peak / $0.66 off-peak, output $3.96 peak / $1.98 off-peak. Off-peak is half the peak rate (peak = 01:00–04:00 and 06:00–10:00 UTC on weekdays). Web search and web fetch $0.75 per 1,000 each; file parsing/OCR $0.225 per 1,000 pages. Check the site for chat app pricing. Prices change; check the official sites before paying.
Should I choose ChatGPT or DeepSeek?
Choose ChatGPT if you mainly need: Draft emails, articles and copy; Analyze spreadsheets and data files; Write and fix code with Codex; Produce deep research reports. Choose DeepSeek if you mainly need: Writing, analysis and reasoning questions; Power coding tools as the backend model; Batch-process text through the API; Self-host the open-weight models.
More alternatives to ChatGPT → · More alternatives to DeepSeek →