# DeepSeek vs SessionCast

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

| Metric | [DeepSeek](https://openaitools.app/tool/deepseek) | [SessionCast](https://openaitools.app/tool/sessioncast) |
| :--- | :--- | :--- |
| Website URL | https://www.deepseek.com | https://sessioncast.io |
| Categories | Large Language Models (LLMs), Open Source AI Models, AI API, AI Chatbot | AI Developer Tools, AI Code Assistant, AI Productivity Tools |
| Pricing Model | Freemium | Free Trial, 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 | 4.3 |
| 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)

## SessionCast

SessionCast was built around a simple observation: AI coding agents run for minutes or hours, but developers do not want to sit at the desk waiting for them. The product places a small agent process on your PC, connects it to the SessionCast service, and mirrors the terminal output to a mobile-optimized web console. Because the console is a web page rather than a native app, it works from any phone browser, and GZip compression keeps long streaming sessions light on mobile data.

Setup follows a three-step path: sign up with a Google account, create an Agent token in the dashboard, then install and run the agent using the one-line curl script on macOS and Linux or the PowerShell installer on Windows. Once connected, sessions appear as selectable streams. Input is bidirectional, so you can answer an agent's confirmation prompt, approve a plan step, or type a fresh instruction from wherever you are, which is what separates SessionCast from read-only log tailing.

Practical uses cluster around monitoring rather than heavy authoring: watching Claude Code or Cursor work during a meeting, checking a CI/CD pipeline or Docker build on the commute, reviewing deployment logs remotely, and sharing a terminal with a colleague for remote debugging and code review. SessionCast also publishes its agent source on GitHub under the MIT License and notes in a disclaimer that the software is provided as is, so responsibility for securing your own deployment rests with you.

**Pricing & Plans:** SessionCast advertises a Free plan with a free trial entry point, so you can begin without paying. Sign-up is done with a Google account and the published agent is released under the MIT License. Consult the official pricing page for current limits on sessions and retention.

- **Real-time streaming:** WebSocket-based delivery is described as running under 50 ms latency, so AI CLI output appears on your phone as it is generated.
- **Mobile-optimized terminal UI:** The terminal interface is built responsive, so it stays usable on ordinary smartphone browsers with no dedicated mobile app required.
- **Secure access:** Google OAuth2 sign-in and per-user agent tokens mean only you can reach your own sessions.
- **Bidirectional input:** Send keystrokes and full commands from the phone, letting you answer an agent prompt or redirect a run mid-flight.
- **Multi-session switching:** Keep several terminals open at once and switch between parallel agent runs or long builds.
- **Data compression:** GZip compression keeps mobile data usage low during long streaming sessions.

**Strengths:** Solves a real, recurring problem: agent runs that outlast your time at the desk; Works in a phone browser, so there is no separate app to install; Under-50 ms WebSocket streaming makes output feel live rather than lagged; Bidirectional keyboard input goes beyond read-only log viewing

**Limitations:** Requires installing and running an agent process on your own machine before mobile access works; Security responsibility for the deployed agent sits with the user, as the developers state in their disclaimer; Free self-hosted/agent approach gives less hand-holding than a fully managed cloud terminal service; Streaming depends on your PC staying online and connected

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

## Frequently Asked Questions

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

DeepSeek has 372,761,591 monthly visits, while SessionCast 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%; SessionCast 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). SessionCast: Free Trial, Free. SessionCast advertises a Free plan with a free trial entry point, so you can begin without paying. Sign-up is done with a Google account and the published agent is released under the MIT License. Consult the official pricing page for current limits on sessions and retention.

## 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 | [Google Antigravity](https://openaitools.app/tool/google-antigravity) | 16,054,109 | +8.1% | Freemium | Google's agent-first development platform for building and shipping software with AI agents | [.md](https://openaitools.app/tool/google-antigravity.md) |
| 10 | [Ollama](https://openaitools.app/tool/ollama) | 9,421,973 | +4.3% | Free, Freemium, Paid | Run and build with open AI models locally or in the cloud | [.md](https://openaitools.app/tool/ollama.md) |

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

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