Causo vs DeepSeek
Causo and DeepSeek are both AI assistants tools. Causo is aimed at small businesses and freelancers, while DeepSeek is aimed at developers and small businesses. Both have a free plan.
AI prospecting agent that researches leads with sources, plus MCP
Free AI chat app and low-cost API built on open-weight models
| Pricing | Freemium · $19 | Freemium |
| Starting price | $19/mo | Not published |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Small businesses, Freelancers, Agencies | Developers, Small businesses, Enterprise, Freelancers |
| Platforms | web | web, ios, android |
| Country | GB · 2025 | CN · 2023 |
| Rating | — | — |
Choose Causo if
Founders and small sales teams prospecting into niche markets who want sourced research rather than raw database filters.
- Finds companies in niches that static databases miss
- Every match comes with sources you can check
- Low $19 entry plan and a free start without a card
Look elsewhere if: Sales teams that need a huge contact database, CRM sync and full multichannel sequencing (Apollo, ZoomInfo).
Choose DeepSeek if
Developers and cost-conscious teams who want strong reasoning and coding models at very low API prices or as open weights.
- Consumer chat is completely free
- Among the cheapest frontier-class API token prices
- Open weights allow self-hosting and fine-tuning
Look elsewhere if: Organisations with strict data residency or public-sector rules (Mistral Le Chat, Claude, ChatGPT Enterprise).
Causo vs DeepSeek pricing
Causo
- Free$050 one-time tokens, 20 agent messages, 1 mailbox, no card
- Let me try$19/mo100 tokens/mo, unlimited agent messages, CSV export
- Founder's Delight$79/mo500 tokens/mo, up to 3 mailboxes, top-ups $0.30/token
- Serious Business$259/mo2,000 tokens/mo, up to 5 mailboxes, top-ups $0.30/token
- EnterpriseCustomCustom tokens, unlimited mailboxes, team workspace
DeepSeek
- Chat app$0Web, iOS and Android; no paid consumer tier
- deepseek-flash API$0.30/1M input tokensPeak cache-miss rate; output $1.20/1M; off-peak rates are half
- deepseek-v4-pro API$1.32/1M input tokensPeak cache-miss rate; output $3.96/1M; off-peak rates are half
- Search & Fetch API$0.75/1,000 requestsBilled per successful request
Causo · Key features
- Plain-language ideal customer search across public web sources
- Sourced evidence explaining why each company matches
- Decision-maker lookup with email verification
- Research-based outreach drafts you edit before sending
- Connected mailboxes and one-token outreach sequences
- Remote MCP server for Claude, ChatGPT, Cursor and Codex
Cons
- No CRM integration named on the site
- Tokens run out quickly on large prospect lists
- Prices are marked early bird and may change
DeepSeek · Key features
- Free chat app with thinking and instant modes on web and mobile
- 1M-token context window on V4 models
- API compatible with OpenAI and Anthropic request formats
- Automatic context caching with much cheaper cache-hit pricing
- Off-peak API rates at half the peak price
- Tool calls, JSON output and FIM completion for coding tools
Cons
- Hosted service stores user data on servers in China
- Banned on government devices in several countries
- Answers on politically sensitive Chinese topics are censored
Causo vs DeepSeek: FAQ
Do Causo and DeepSeek have a free plan?
Yes, both Causo and DeepSeek have a free plan; paid plans add more usage and features.