# DeepSeek vs Plus AI

> DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models
> Plus AI: Create and edit presentations with AI directly inside PowerPoint and Google Slides

- DeepSeek profile: https://finderatlas.com/tools/deepseek
- Plus AI profile: https://finderatlas.com/tools/plus-ai
- Comparison page: https://finderatlas.com/compare/deepseek-vs-plus-ai
- Last reviewed: October 2026

## Verdict

DeepSeek is listed under AI Assistants and Plus AI under Productivity. DeepSeek scores higher in FinderAtlas's editorial review (8.8 vs 7.9 out of 10). Only DeepSeek has a free plan or trial. Only DeepSeek is available on Windows, macOS and iOS.

### Choose DeepSeek if

- You want a tool built for Low-cost API integration.
- Web chat and mobile apps are free.
- API output costs from $0.60 per 1M tokens (Flash, off-peak), well below most frontier providers.

### Choose Plus AI if

- You want a tool built for Teams that already work in PowerPoint or Google Slides and want AI generation and editing without switching tools.
- Works inside PowerPoint and Google Slides, so decks stay in native, editable formats.
- Accepts documents (PDF, docx, text) as source material for decks.

## Pricing

| | DeepSeek | Plus AI |
| --- | --- | --- |
| Pricing model | Freemium | Free trial |
| Free plan or trial | Yes | No |
| Starting price | $0 | $15 |

## Features

| Feature | DeepSeek | Plus AI |
| --- | --- | --- |
| V4 model family | Yes | Not listed |
| Thinking mode | Yes | Not listed |
| Open weights | Yes | Not listed |
| OpenAI and Anthropic compatible API | Yes | Not listed |
| Tool calls and JSON output | Yes | Not listed |
| Search and Fetch APIs | Yes | Not listed |
| Agent tool integrations | Yes | Not listed |
| DeepSeek Harness | Yes | Not listed |
| Vision on Flash | Yes | Not listed |
| Remix | Not listed | Yes |
| Visuals | Not listed | Yes |
| Custom branding | Not listed | Yes |
| Multilingual output | Not listed | Yes |
| Native file output | Not listed | Yes |
| Presentation Agent API and MCP server | Not listed | Yes |
| Prompt-to-deck generation | Not listed | Yes |
| Slide editing | Not listed | Yes |

## Platforms

| Platform | DeepSeek | Plus AI |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | Yes | No |
| macOS | Yes | No |
| iOS | Yes | No |
| Android | Yes | No |
| API | Yes | Yes |
| Browser Extension | No | No |

## DeepSeek strengths

- Web chat and mobile apps are free
- API output costs from $0.60 per 1M tokens (Flash, off-peak), well below most frontier providers
- Open weights for V4 and earlier models on Hugging Face
- 1M-token context and 384K max output on both API models
- API works with both OpenAI and Anthropic SDKs and several coding agents

## DeepSeek limitations

- Peak-hour API rates are double the off-peak rates on weekday mornings UTC
- deepseek-v4-pro does not support vision input
- No image generation
- Data is processed by a company based in China, which some organizations cannot accept

## Plus AI strengths

- Works inside PowerPoint and Google Slides, so decks stay in native, editable formats.
- Accepts documents (PDF, docx, text) as source material for decks.
- Remix feature restyles existing slides rather than only generating new ones.
- Offers an API and MCP server for use from other AI tools and agents.
- Company reports SOC 2 Type II compliance.

## Plus AI limitations

- No permanent free tier; a credit card is required to start the 7-day trial.
- Credit-based limits (1,500 to 6,000 per month) mean heavy users may need a higher tier, and Max costs $240 per month.
- Custom slide masters are limited to the Enterprise plan.
- Requires PowerPoint or Google Slides; there is no standalone mobile app.

## FAQ

**Is DeepSeek better than Plus AI?**

It depends on your workflow. DeepSeek is built for Low-cost API integration. Plus AI is built for Teams that already work in PowerPoint or Google Slides and want AI generation and editing without switching tools.

**What are the key feature differences between DeepSeek and Plus AI?**

DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models. Plus AI: Create and edit presentations with AI directly inside PowerPoint and Google Slides.

**Does DeepSeek or Plus AI have a free plan?**

DeepSeek has a free plan or trial; Plus AI is paid only.

**Which is cheaper, DeepSeek or Plus AI?**

DeepSeek starts at $0 and Plus AI starts at $15. See the pricing table above for what each tier includes.