The complete Chromium browser with basic AI functions (page summary, voice mode, shopping assistant, Deep Research) is completely free and has no usage limit (globally available starting October 2, 2025); however, agent tasks that consume quota (such as auto-form filling, booking, and emailing) have limited quota in the free plan.
Per million tokens (off-peak/peak): cache hit input US$0.007/US$0.014, cache miss input US$0.22/US$0.44, output US$0.66/US$1.32. Peak hours are 01:00-04:00 and 06:00-10:00 UTC, with peak prices being twice the off-peak prices. ⚠️ The price increase has taken effect (originally US$0.0028/US$0.14/US$0.28, this confirmation is the implementation of the previously announced 'planned price adjustment' on the official website, checked twice on 2026-08-22 with consistent results)
API - DeepSeek-V4-Pro
API pay-as-you-go (usage-based)
New model (previously not recorded). Per million tokens (off-peak/peak): input cache hit US$0.022/0.044, input cache miss US$0.66/1.32, output US$1.98/3.96. Concurrent limit 500 (V4-Flash is 2500)
Which one should you pick?
Both offer a free plan. Compare paid tiers against your needs.
DeepSeek has no public paid plan; Comet starts at about US$5 / mo.
FAQ
Is there a free version of Comet?
Yes. The complete Chromium browser with basic AI functions (page summary, voice mode, shopping assistant, Deep Research) is completely free and has no usage limit (globally available starting October 2, 2025); however, agent tasks that consume quota (such as auto-form filling, booking, and emailing) have limited quota in the free plan.
How much does Comet cost?
The cheapest is the plan from Comet named Comet Plus, at about US$5 / mo.
Does Comet support Chinese?
Comet only partially supports Chinese.
Is there a free version of DeepSeek?
Yes. The web version is basically free, but has peak traffic limits.
How much does DeepSeek cost?
The cheapest is the plan from DeepSeek named API - DeepSeek-V4-Flash, at about Official quote (upon inquiry).
Does DeepSeek support Chinese?
DeepSeek offers full Chinese interface support.
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