How do DeepSeek and Sendmux compare in monthly traffic?

DeepSeek has 372,761,591 monthly visits, while Sendmux has 37. Traffic estimates describe audience size, not product quality.

How do their growth rates compare?

DeepSeek has a month-over-month growth rate of +4.3%; Sendmux has -98.3%.

How does pricing compare?

DeepSeek: Freemium. Free web and mobile chat app at chat.deepseek.com; pay-as-you-go OpenAI-compatible API with off-peak rates at $0.15/1M input ($0.003 cache hit) and $0.60/1M output for deepseek-flash (V4.1-Flash), and $0.66/1M input ($0.022 cache hit) and $1.98/1M output for deepseek-v4-pro (peak weekday UTC hours bill at 2x). Sendmux: Free. Sendmux is listed as free, with two free mailboxes available to start and agent onboarding designed to be self-service. Pricing beyond the initial free mailboxes is not detailed on the landing page, so check the pricing page for current tiers.