C
CGeneral-purpose AI chat assistant for writing, research, coding and everyday tasks
Free, from $8/mo
DeepSeek vs Nomi
Pricing, features, platforms and who each one suits — side by side.
D
Choose DeepSeek if…
- you work on iOS, Android
- you're in its core audience: developers, ai app builders
N
Choose Nomi if…
- you want a free plan to start with
- you're in its core audience: adults looking for ai companionship, roleplay enthusiasts
Side by side
Feature DeepSeek Nomi
Pricing modelPaidFreemium
Starting price——
Free plan
Free trial
API
Open source
Data retention—Account deletion removes personal information within about 28 days
GitHub stars263.8K—
PlatformsWeb, iOS, Android, APIWeb
CategoryAI ChatbotsCharacters & Companions
CompanyDeepSeekGlimpse.ai, Inc.
Based in—United States
Founded——
Part of——
Key features
D DeepSeek
- Web chat at chat.deepseek.com
- Mobile app and DeepSeek Harness desktop client
- OpenAI- and Anthropic-compatible API
- 1M-token context window, 384K max output
- Thinking mode with adjustable reasoning effort
- Web search and page fetch through the API
- Discounted pricing for cache hits and off-peak hours
N Nomi
- Short-, medium- and long-term memory of chats
- Custom backstories and personality preferences
- Group chats with multiple Nomis
- Selfies that match the conversation scenario
- Voice messages and hands-free voice calls
- Optional proactive messages after inactivity
- Reads shared links and views images users send
Plans and prices
From each vendor's site. Prices change — confirm before buying.
DeepSeek
deepseek-flash API$0.15/1M input tokens (cache miss, off-peak), $0.6/1M output tokens off-peak; peak rates are double
deepseek-v4-pro API$0.66/1M input tokens (cache miss, off-peak), $1.98/1M output tokens off-peak; peak rates are double
Search & Fetch$0.75 per 1,000 successful requests
Nomi
FreeFree
SubscriptionNot published
Strengths and limitations
DeepSeek
- Off-peak API prices are 50% of peak prices
- 1M-token context on both API models
- Works with OpenAI and Anthropic API formats
- Available on web, mobile, and desktop
- Peak-hour API rates are twice the off-peak rates
- Web search and fetch through the API cost extra per request
- The site does not state free-tier terms or limits for the chat apps
Nomi
- Free to start with no credit card
- Memory carries over short, medium and long timeframes
- Supports voice calls, selfies and group chats
- Monthly, quarterly and yearly billing options
- Subscription prices are not published on the website
- Supported devices and operating systems are not listed on the home page
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy