# DeepSeek vs Replai

DeepSeek records 372,761,591 monthly visits with +4.3% month-over-month growth and Freemium pricing. Replai records 0 monthly visits with — growth and Freemium pricing.

| Metric | [DeepSeek](https://openaitools.app/tool/deepseek) | [Replai](https://openaitools.app/tool/replai) |
| :--- | :--- | :--- |
| Website URL | https://www.deepseek.com | https://chrome.google.com/webstore/detail/replai-%E2%80%93-chatgpt-replies/ompendcjjegjkojdkagdoohbbjcaaopb |
| Categories | Large Language Models (LLMs), Open Source AI Models, AI API, AI Chatbot | AI Reply, AI Response Generator, AI Twitter, AI Social Media |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 372,761,591 | 0 |
| MoM Growth Rate | +4.3% | — |
| Primary Market | China | Global |
| Direct Visits | 291,585,405 | 0 |
| Review Score | 4.8 | 4.1 |
| Saved Count | 44 | 1 |
| Supported Platforms | Website | Browser Extension |

## DeepSeek

DeepSeek (Hangzhou DeepSeek Artificial Intelligence Co., Ltd.) is a frontier AI research organization that disrupted the global LLM market by pairing open-weight transparency with breakthrough Mixture-of-Experts (MoE) and reinforcement-learning reasoning efficiency. Following the landmark releases of DeepSeek-V3 and the peer-reviewed DeepSeek-R1 reasoning model, DeepSeek introduced the DeepSeek-V4 generation in 2026—featuring a hybrid attention architecture and a native 1-million-token context window across DeepSeek-V4-Pro (1.6T total parameters, 49B active per token) and DeepSeek-V4.1-Flash (284B total parameters, 13B active per token).

Users can interact with DeepSeek in three ways: completely free through the consumer web portal (chat.deepseek.com) and mobile apps with one-click toggles for deep thinking and live web search; via DeepSeek's hosted, OpenAI-compatible developer API; or by self-hosting DeepSeek's open-weight checkpoints (including V3, R1, Prover-V2, and distilled Qwen/Llama variants) on private infrastructure. The models excel at competitive mathematics, algorithm design, repository-level software engineering, and structured data extraction, with automatic context caching on the API that slashes repeated prompt costs by over 95%.

In late 2026, DeepSeek remains the price-performance benchmark for developers and automation workflows. While the consumer chat interface remains free without a mandatory $20/month subscription tier, the developer API transitioned in late 2026 to two primary endpoints—`deepseek-flash` and `deepseek-v4-pro`—with time-of-day pricing. Off-peak API calls cost just $0.15 per million input tokens ($0.003 on cache hits) and $0.60 per million output tokens on Flash, and $0.66 input / $1.98 output on V4-Pro, making it a fraction of the cost of comparable Western frontier models.

**Pricing & Plans:** 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).

- **DeepSeek-V4 Hybrid Attention & 1M Context:** Leverages a sparse Mixture-of-Experts architecture (49B active parameters out of 1.6T on V4-Pro) to process up to 1 million tokens with minimal latency and memory overhead.
- **Transparent Chain-of-Thought Reasoning:** Pioneered by DeepSeek-R1 and integrated into V3.2 and V4 thinking modes, exposing step-by-step self-verification for complex math, logic, and code debugging.
- **Automatic Context Caching & Off-Peak API Pricing:** Drops input token costs to $0.003/1M on Flash and $0.022/1M on V4-Pro for cache hits, with 50% lower rates during off-peak UTC hours.
- **Free Consumer Web & Mobile Assistant:** Provides free access at chat.deepseek.com and on iOS/Android with document uploads, reasoning mode, and web search without paywalling core models.
- **Open-Weight Ecosystem & Self-Hosting Freedom:** Offers open weights for DeepSeek-V3, R1, Distill variants, and Prover models on Hugging Face and GitHub so enterprises can deploy within air-gapped environments.

**Strengths:** Completely free consumer web and mobile app with deep reasoning and web search included; Ultra-low API token rates ($0.15/$0.60 on Flash, $0.66/$1.98 on V4-Pro off-peak) with up to 98% savings on cached inputs; Drop-in OpenAI API compatibility makes switching or routing between models effortless; Strong open-weight lineage allows teams to self-host or fine-tune models without vendor lock-in

**Limitations:** Hosted API and web app store data on servers in China, prompting compliance restrictions for some Western enterprises and government agencies; Peak-hour API pricing (01:00–04:00 and 06:00–10:00 UTC on weekdays) doubles per-token costs compared to off-peak rates; Lacks native voice mode, video generation, and productivity suite integrations offered by ChatGPT and Google Gemini

[Profile (Markdown)](https://openaitools.app/tool/deepseek.md)

## Replai

Replai began as a ChatGPT-powered Chrome extension for social media replies, described as a way to create meaningful, personalized comments for LinkedIn and X roughly ten times faster. That extension is still listed publicly and remains the fastest way to use the tool inside a social feed: you open a post, click the icon, pick a style and tone, and get a shareable reply. In parallel, the replai.so web application has grown into a broader AI email assistant that connects to Gmail or Outlook and drafts replies in your own voice.

The core idea across both surfaces is personalization. Rather than handing you a generic AI paragraph, Replai builds a 'reply identity' from content you choose to share — your typical tone, the length you prefer, the phrases and sign-offs you actually use. That identity informs every draft, and the platform reports that most users send the first generated draft with little or no editing. Supporting features include automatic inbox sorting, a free email reply generator that needs no account, and a meeting-note companion that transcribes calls and summarises decisions.

Pricing follows a freemium pattern. The extension is free to install with optional in-app purchases, and the web assistant offers a free tier with a daily reply allowance plus a Pro plan for unlimited drafting and the full toolkit. Replai positions itself as a productivity layer that sits inside the tools you already use, so the value shows up as time saved rather than as a separate destination site.

**Pricing & Plans:** Freemium. The Chrome extension is free with optional in-app purchases. The web app offers a free tier (including a no-account email reply generator and a daily AI reply allowance) and a Pro plan at $6/month billed annually ($72/year) or $8/month billed monthly, which unlocks unlimited replies, inbox triage, meeting notes and scheduling.

- **One-click social replies:** The extension generates ready-to-send comments and posts for LinkedIn and X with a single click, cutting the blank-page problem out of social engagement.
- **Style and tone controls:** Replies can be tuned by style, tone and length so the output matches how you want to come across in a given conversation.
- **Voice-matching drafts:** Replai builds a personal profile from emails you share, capturing tone, phrasing and sign-off so drafts sound like you rather than like a template.
- **Inbox organizer:** Connected inboxes are automatically sorted into categories such as Priority, Needs Reply, FYI and Unsubscribe.
- **Meeting notes:** Record calls and get a transcript plus a clean summary of decisions and action items.

**Strengths:** Works directly inside LinkedIn, X, Gmail and Outlook instead of forcing a separate workflow; Learns your personal tone and phrasing so drafts need less rewriting; Free tier and a no-account reply generator make it easy to evaluate; Covers several inbox-adjacent jobs: replies, triage, meeting notes and scheduling

**Limitations:** Chrome extension listing still frames the tool around LinkedIn/X comments, while the current product website focuses mostly on email — messaging can feel inconsistent; Full reply-style learning and unlimited drafting sit behind the paid Pro plan; Extension hasn't been updated since 2024, so browser-support longevity is uncertain; May need account connection for the best personalization, which some users prefer to avoid

[Profile (Markdown)](https://openaitools.app/tool/replai.md)

## Frequently Asked Questions

### How do DeepSeek and Replai compare in monthly traffic?

DeepSeek has 372,761,591 monthly visits, while Replai has 0. 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%; Replai has —.

### 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). Replai: Freemium. Freemium. The Chrome extension is free with optional in-app purchases. The web app offers a free tier (including a no-account email reply generator and a daily AI reply allowance) and a Pro plan at $6/month billed annually ($72/year) or $8/month billed monthly, which unlocks unlimited replies, inbox triage, meeting notes and scheduling.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [ChatGPT](https://openaitools.app/tool/chatgpt-4) | 6,048,022,723 | +2.2% | Freemium | Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing. | [.md](https://openaitools.app/tool/chatgpt-4.md) |
| 2 | [Google Gemini](https://openaitools.app/tool/gemini-gemini-advanced) | 2,637,398,242 | -0.1% | Freemium | Offers an enormous context window and deep Google ecosystem integration, but feels less specialized for pure reasoning tasks. | [.md](https://openaitools.app/tool/gemini-gemini-advanced.md) |
| 3 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Delivers superior long-form coding artifacts and nuanced writing, but lacks DeepSeek's specialized open-weight reasoning models. | [.md](https://openaitools.app/tool/claude-2.md) |
| 4 | [Grok](https://openaitools.app/tool/grok) | 203,846,050 | -0.8% | Freemium | Features real-time X social data integration, but is less cost-effective for dedicated developer coding workflows. | [.md](https://openaitools.app/tool/grok.md) |
| 5 | [Perplexity](https://openaitools.app/tool/perplexity-ai) | 88,310,223 | -3.7% | Freemium | Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models. | [.md](https://openaitools.app/tool/perplexity-ai.md) |
| 6 | [Qwen 4 (Alibaba Qwen4)](https://openaitools.app/tool/qwen-4) | 35,101,353 | -6.2% | Freemium | Provides comparable open-weight foundation models and multilingual performance, but requires self-hosting or third-party inference setup. | [.md](https://openaitools.app/tool/qwen-4.md) |
| 7 | [Cursor](https://openaitools.app/tool/cursor) | 23,297,751 | +8.4% | Freemium | The AI coding agent for building ambitious software | [.md](https://openaitools.app/tool/cursor.md) |
| 8 | [Kimi AI](https://openaitools.app/tool/kimi-chat) | 19,632,261 | -23.4% | Free | Excels at ultra-long document analysis and research, but lacks the same level of open-weight developer community support. | [.md](https://openaitools.app/tool/kimi-chat.md) |
| 9 | [Ollama](https://openaitools.app/tool/ollama) | 9,421,973 | +4.3% | Free, Freemium, Paid | Enables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power. | [.md](https://openaitools.app/tool/ollama.md) |
| 10 | [Dify](https://openaitools.app/tool/dify-ai) | 819,691 | -15% | Freemium | Build, deploy, and govern production-ready agentic AI workflows | [.md](https://openaitools.app/tool/dify-ai.md) |

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Source: https://openaitools.app/compare/deepseek-vs-replai

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