# DeepSeek vs Julius AI

> DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models
> Julius AI: AI data analyst that runs Python on your spreadsheets and databases to produce charts

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

## Verdict

DeepSeek and Julius AI are both AI Assistants tools. DeepSeek scores higher in FinderAtlas's editorial review (8.8 vs 8.1 out of 10). Both have a free plan or trial. Only DeepSeek is available on Windows, macOS and Android and offers an API.

### 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 Julius AI if

- You want a tool built for analyzing spreadsheets without coding.
- Runs executed Python code on uploaded data rather than only describing answers.
- Builds exportable charts from plain-language requests.

## Pricing

| | DeepSeek | Julius AI |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | DeepSeek | Julius 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 |
| Python Data Sandbox | Not listed | Yes |
| Chart and Graph Generation | Not listed | Yes |
| Spreadsheet Upload | Not listed | Yes |
| Database Connectors | Not listed | Yes |
| Notebooks | Not listed | Yes |
| Statistical Modeling | Not listed | Yes |
| Math Helper | Not listed | Yes |
| Custom Agents and Scheduled Runs | Not listed | Yes |

## Platforms

| Platform | DeepSeek | Julius AI |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | Yes | No |
| macOS | Yes | No |
| iOS | Yes | Yes |
| Android | Yes | No |
| API | Yes | No |
| 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

## Julius AI strengths

- Runs executed Python code on uploaded data rather than only describing answers
- Builds exportable charts from plain-language requests
- Connects to PostgreSQL, Snowflake and BigQuery on paid plans
- Starts at $20 per month, with a free plan to try it
- Has an iOS app as well as the web app

## Julius AI limitations

- Free allowance is small and has been reduced over time
- Plans, credits and names changed several times in 2026, which makes costs hard to predict
- Business costs $450 per month
- No public API is confirmed, and no Android or desktop app was found

## FAQ

**Is DeepSeek better than Julius AI?**

It depends on your workflow. DeepSeek is built for Low-cost API integration. Julius AI is built for analyzing spreadsheets without coding.

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

DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models. Julius AI: AI data analyst that runs Python on your spreadsheets and databases to produce charts.

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

Yes, both do. DeepSeek is freemium and Julius AI is freemium, and each has a free plan or trial.

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

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.