# Apollo AI vs DeepSeek

Apollo AI records 0 monthly visits with -100% month-over-month growth and Freemium pricing. DeepSeek records 372,761,591 monthly visits with +4.3% growth and Freemium pricing.

| Metric | [Apollo AI](https://openaitools.app/tool/apolloai) | [DeepSeek](https://openaitools.app/tool/deepseek) |
| :--- | :--- | :--- |
| Website URL | https://useapollo.app | https://www.deepseek.com |
| Categories | AI Image Generator, AI Video Generator, AI Music Generator, AI Text Generator | Large Language Models (LLMs), Open Source AI Models, AI API, AI Chatbot |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 0 | 372,761,591 |
| MoM Growth Rate | -100% | +4.3% |
| Primary Market | Global | China |
| Direct Visits | 0 | 291,585,405 |
| Review Score | 4.2 | 4.8 |
| Saved Count | 0 | 44 |
| Supported Platforms | Website | Website |

## Apollo AI

Apollo AI focuses on a job that general chatbots handle poorly: reading and reasoning over documents that run to hundreds of pages. You upload a PDF — a thesis draft, a technical report, or a journal article — and the assistant produces summaries, answers targeted questions, and pulls out key findings and data points. The whole workflow is oriented around academic use, where citations and source quality matter as much as the answer itself.

Beyond PDFs, Apollo bundles several adjacent research aids. A deep research mode builds its own search queries, gathers sources, checks them, and returns a synthesized report with references. A literature review assistant and a citation generator covering APA, MLA, Chicago, Harvard and IEEE help with the writing phase, and a chart generator turns your data into bar, line, pie, or scatter visuals suitable for a paper or slide deck. A YouTube summarizer converts long lectures and conference talks into readable notes.

The interface also includes a real-time voice mode for hands-free work and support for multiple languages including English, Arabic, Chinese and French. Pricing is tiered, starting with a free plan that has limited chat sessions and basic PDF analysis, so you can evaluate the PDF engine before committing.

**Pricing & Plans:** Freemium. A free plan covers core research features with a small number of chat sessions and basic PDF analysis, with no credit card required. The Basic plan is listed at $19/month and adds full AI research, PDF analysis, deep research with verified sources, the YouTube summarizer, chart generation, voice AI and web crawling. The Professional plan at $49/month adds priority support, early access to new features and unlimited usage. Check the official pricing page for current terms.

- **Long-document PDF analysis:** Upload papers and reports of hundreds of pages and get summaries, extracted findings, and specific answers in seconds without chunking the file yourself.
- **Deep research with verified sources:** The assistant generates its own queries, gathers credible sources, cross-checks the information, and returns a report with citations and a reference list.
- **Literature review and citation generator:** Draft literature reviews and produce formatted references in APA, MLA, Chicago, Harvard, and IEEE styles.
- **Chart and visualization generator:** Turn research data into bar charts, line graphs, pie charts, and scatter plots ready to drop into a paper or presentation.
- **YouTube video summarizer and voice AI:** Condense long lectures and conference videos into key insights, and use real-time voice mode for hands-free research.

**Strengths:** Handles PDFs of hundreds of pages, which is where general-purpose chatbots usually degrade; Deep research mode returns sources and citations rather than unsourced prose; Citation generator covers the major academic styles, useful for paper formatting; Free tier with no credit card lets you test the PDF engine before paying

**Limitations:** Free plan is limited to a handful of chat sessions and basic PDF analysis; Credit-based usage caps mean heavy deep-research users may hit limits quickly; Some marketing comparisons against competing research tools read as promotional rather than neutral

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

## 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)

## Frequently Asked Questions

### How do Apollo AI and DeepSeek compare in monthly traffic?

Apollo AI has 0 monthly visits, while DeepSeek has 372,761,591. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Apollo AI has a month-over-month growth rate of -100%; DeepSeek has +4.3%.

### How does pricing compare?

Apollo AI: Freemium. Freemium. A free plan covers core research features with a small number of chat sessions and basic PDF analysis, with no credit card required. The Basic plan is listed at $19/month and adds full AI research, PDF analysis, deep research with verified sources, the YouTube summarizer, chart generation, voice AI and web crawling. The Professional plan at $49/month adds priority support, early access to new features and unlimited usage. Check the official pricing page for current terms. 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).

## 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 | [Semantic Scholar](https://openaitools.app/tool/semantic-scholar) | 8,198,672 | +5.8% | Free | A free, AI-powered academic search engine for 240M+ papers across every scientific field | [.md](https://openaitools.app/tool/semantic-scholar.md) |

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

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