# DeepSeek vs SpeedAI

DeepSeek records 372,761,591 monthly visits with +4.3% month-over-month growth and Freemium pricing. SpeedAI records 461 monthly visits with -89.5% growth and Freemium pricing.

| Metric | [DeepSeek](https://openaitools.app/tool/deepseek) | [SpeedAI](https://openaitools.app/tool/speedai-com) |
| :--- | :--- | :--- |
| Website URL | https://www.deepseek.com | https://speedai.com |
| Categories | Large Language Models (LLMs), Open Source AI Models, AI API, AI Chatbot | Humanizer AI, AI Detector, AI Productivity Tools, AI Presentation Generator |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 372,761,591 | 461 |
| MoM Growth Rate | +4.3% | -89.5% |
| Primary Market | China | China |
| Direct Visits | 291,585,405 | 189 |
| Review Score | 4.8 | 3.8 |
| Saved Count | 44 | 1 |
| Supported Platforms | Website | Website |

## 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)

## SpeedAI

SpeedAI is aimed squarely at the Chinese academic writing pipeline, where two separate checks decide whether a paper survives: a similarity (repetition) check against published literature, and an AIGC check for traces of machine generation. The service bundles both sides of that problem into one dashboard, offering simulated detection first so you can see where you stand, then rewriting tools designed to bring the numbers down.

The detection side covers the platforms Chinese students actually face — CNKI (知网), VIP (维普), Gezida (格子达), Daya and Wanfang — alongside a generic 'overseas' mode. The site states that free AIGC checks are available five times a day, that it has processed hundreds of millions of characters for over a million users, and that its simulated results sit within roughly 10% of official figures. Those are vendor-reported numbers; treat them as marketing rather than independent benchmarks.

The rewriting side splits into repetition reduction, which varies phrasing against source literature, and AI-rate reduction, which reworks sentences to remove machine-writing patterns. SpeedAI also offers academic polishing for tone and terminology. Everything is delivered as a web app with a whole-document workflow, and the vendor deliberately emphasises that submissions are encrypted in transit and at rest — a fair signal that data sensitivity is the main objection users raise. Anyone using it for graded work should first check whether their institution permits AI rewriting assistance at all.

**Pricing & Plans:** SpeedAI runs on a free-allowance plus paid model. AIGC detection is advertised as free five times per day, and periodic promotions grant free character quotas for rewriting. Paid usage is priced by volume of characters processed; exact rates are not published on the homepage and appear in-app after login.

- **Multi-platform AIGC detection:** Run checks modelled on CNKI, VIP, Gezida, Daya, Wanfang and an overseas detector to see how AI-generated your text looks before you submit it.
- **AI-detection rate reduction:** Dedicated rewriting optimises passages so they carry fewer traces of machine generation, with the vendor reporting typical results under 10% on the simulated platforms.
- **Repetition rate reduction:** A separate rewriting mode targets similarity against published literature, offering varied phrasings while keeping the original meaning intact.
- **Whole-document rewriting:** Document-wide processing that rewrites the whole paper at once rather than forcing you to edit paragraph by paragraph.
- **Academic polishing:** Improves academic tone and terminology usage so that the rewritten text still reads like formal scholarship.

**Strengths:** Covers the specific Chinese detection platforms students actually encounter rather than only Western ones; Detection and rewriting live in one workspace, so you can measure then fix without switching tabs; Free daily detection quota and promotional character allowances let you test quality before paying; Whole-document processing is far faster than editing paragraph by paragraph

**Limitations:** The interface and most supporting material are built around Chinese academic databases such as CNKI and VIP, so it is less relevant to Western submission workflows; Heavy focus on 'reducing AI rate' for graded or published work raises academic-integrity questions at many institutions; Because detectors and their models change constantly, no rewriting tool can guarantee a particular score; Reported outcomes are based on self-published user feedback rather than independent third-party studies

[Profile (Markdown)](https://openaitools.app/tool/speedai-com.md)

## Frequently Asked Questions

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

DeepSeek has 372,761,591 monthly visits, while SpeedAI has 461. 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%; SpeedAI has -89.5%.

### 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). SpeedAI: Freemium. SpeedAI runs on a free-allowance plus paid model. AIGC detection is advertised as free five times per day, and periodic promotions grant free character quotas for rewriting. Paid usage is priced by volume of characters processed; exact rates are not published on the homepage and appear in-app after login.

## 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 | [ZeroGPT](https://openaitools.app/tool/zerogpt) | 32,864,541 | +19.7% | Freemium, Paid | AI content detection and a full writing toolkit in one place | [.md](https://openaitools.app/tool/zerogpt.md) |
| 8 | [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) |
| 9 | [GPTZero](https://openaitools.app/tool/gptzero-me) | 23,246,989 | +32.5% | Freemium, Paid | AI detection and writing verification built for schools and editors | [.md](https://openaitools.app/tool/gptzero-me.md) |
| 10 | [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) |

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Source: https://openaitools.app/compare/deepseek-vs-speedai-com

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