# DeepSeek vs Visual Field Test

DeepSeek records 372,761,591 monthly visits with +4.3% month-over-month growth and Freemium pricing. Visual Field Test records 0 monthly visits with 0% growth and Free pricing.

| Metric | [DeepSeek](https://openaitools.app/tool/deepseek) | [Visual Field Test](https://openaitools.app/tool/visual-field-test) |
| :--- | :--- | :--- |
| Website URL | https://www.deepseek.com | https://visualfieldtest.com |
| Categories | Large Language Models (LLMs), Open Source AI Models, AI API, AI Chatbot | AI Symptom Checker, AI Healthcare, AI Detector, AI Monitor |
| Pricing Model | Freemium | Free |
| Monthly Visits | 372,761,591 | 0 |
| MoM Growth Rate | +4.3% | 0% |
| Primary Market | China | Global |
| Direct Visits | 291,585,405 | 0 |
| Review Score | 4.8 | 4.4 |
| Saved Count | 44 | 0 |
| 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)

## Visual Field Test

:

Visual Field Test is an independent, browser-based perimetry tool aimed at people who want to keep an eye on their peripheral vision between professional exams. After you cover one eye and fix your gaze on a central cross, small dots of light appear at random points around the screen; you press the space bar or click whenever you notice a flash. Each session runs about five minutes per eye and produces a colour-coded map where seen points and missed points are shown separately.

The platform offers two levels of testing. Simple mode gives a fast screening pass, while Advanced mode performs threshold testing on a 24-2 style point grid and reports clinical-style summary indices including Mean Deviation (MD) and Pattern Standard Deviation (PSD). Beyond the raw map, each result is accompanied by an AI-generated summary that describes your responses in plain language, along with your score, test duration and response-consistency checks.

Results are stored automatically and charted as per-eye trend lines so gradual changes become visible over weeks, months or years. A comparison view lines your tests up from oldest to newest and flags points that recovered on retest versus newly missed points, and you can export printable PDF reports covering the threshold map, grayscale, total deviation, probability map and global indices. Read-only sharing lets a doctor or family member review your history, and any test can be permanently deleted. The site is clear that this is an educational screening and monitoring aid, not a medical device or a diagnosis.

**Pricing & Plans:** Free for human users; no account fees or paid tiers are advertised for taking the visual field test. The site does charge automated crawlers and scrapers a per-request fee, but that does not affect normal visitors.

- **Guided home perimetry test:** A guided routine walks you through covering one eye, fixing on a central cross and pressing space or clicking whenever a light flash appears, taking about five minutes per eye.
- **Simple and Advanced test modes:** Simple mode screens your field quickly, while Advanced mode measures threshold sensitivity in decibels and reports Mean Deviation and Pattern Standard Deviation.
- **AI-powered plain-language summaries:** Every result arrives with a colour-coded map of seen versus missed points, a score, duration and response-consistency checks, plus a plain-language AI explanation.
- **Trend tracking and test comparison:** Tests are saved automatically and charted as per-eye consistency trends, with side-by-side comparison that highlights newly missed or recovered points and overall change.
- **PDF reports and secure sharing:** Export a printable PDF with threshold map, grayscale, total deviation, probability map and global indices, or share read-only access with a clinician or relative.

**Strengths:** Free to use in any modern browser, with no app install or clinic visit; Advanced mode reports decibel thresholds plus MD and PSD indices for deeper tracking; Automatic saving, per-eye trend charts and side-by-side test comparison; Printable PDF reports and read-only sharing with a clinician

**Limitations:** Browser-based screening is not a diagnostic medical device and cannot replace a clinical visual field exam; Results can be affected by screen calibration, room lighting, viewing distance and browser zoom; Simple mode is a coarse screen rather than an equivalent to in-clinic Humphrey 24-2 perimetry; Accurate threshold testing demands good fixation discipline, which some users find tiring

[Profile (Markdown)](https://openaitools.app/tool/visual-field-test.md)

## Frequently Asked Questions

### How do DeepSeek and Visual Field Test compare in monthly traffic?

DeepSeek has 372,761,591 monthly visits, while Visual Field Test 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%; Visual Field Test has 0%.

### 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). Visual Field Test: Free. Free for human users; no account fees or paid tiers are advertised for taking the visual field test. The site does charge automated crawlers and scrapers a per-request fee, but that does not affect normal visitors.

## 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 | [Ubie](https://openaitools.app/tool/ubie) | 2,941,054 | -23.2% | Free | Free AI symptom checker developed by doctors | [.md](https://openaitools.app/tool/ubie.md) |

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Source: https://openaitools.app/compare/deepseek-vs-visual-field-test

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