# DeepSeek vs Opera Neon

> DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models
> Opera Neon: Agentic AI browser that researches, navigates and completes web tasks for you

- DeepSeek profile: https://finderatlas.com/tools/deepseek
- Opera Neon profile: https://finderatlas.com/tools/opera-neon
- Comparison page: https://finderatlas.com/compare/deepseek-vs-opera-neon
- Last reviewed: October 2026

## Verdict

DeepSeek and Opera Neon are both AI Assistants tools. DeepSeek scores higher in FinderAtlas's editorial review (8.8 vs 7.5 out of 10). Both have a free plan or trial. Only DeepSeek is available on Web, iOS 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 Opera Neon if

- You want a tool built for Multi-tab research, delegating repetitive browser tasks, building quick web outputs, connecting external AI agents to a live browser session.
- Combines chat, browser actions, research and content creation in one browser rather than a separate extension.
- Neon Do shows its plan and actions in real time and can be paused or taken over.

## Pricing

| | DeepSeek | Opera Neon |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | DeepSeek | Opera Neon |
| --- | --- | --- |
| 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 |
| Neon Do | Not listed | Yes |
| Neon Chat | Not listed | Yes |
| Neon Make | Not listed | Yes |
| Research Agents | Not listed | Yes |
| Tasks | Not listed | Yes |
| Neon Cards | Not listed | Yes |
| MCP Connector and CLI | Not listed | Yes |
| Memory and Scheduled Tasks | Not listed | Yes |
| Built-in Browser Tools | Not listed | Yes |

## Platforms

| Platform | DeepSeek | Opera Neon |
| --- | --- | --- |
| Web | Yes | No |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| iOS | Yes | No |
| 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

## Opera Neon strengths

- Combines chat, browser actions, research and content creation in one browser rather than a separate extension.
- Neon Do shows its plan and actions in real time and can be paused or taken over.
- Wide model choice across OpenAI, Anthropic, Google, xAI and open-weight models on the Standard plan.
- MCP connector and CLI let external agents such as Claude Code or n8n use a live browser session.
- Credentials, passwords and card details are stated to stay on the device, and Opera says it does not train on user data.
- Free VPN and ad blocker are included in the browser.

## Opera Neon limitations

- Full agentic features need the $19.90 per month Standard plan, higher than many AI add-ons.
- Windows and macOS only; no Linux, iOS or Android version yet.
- Neon Do uses cloud LLMs to plan, and page content is sent to Opera and OpenAI servers with 365-day retention.
- Opera itself calls Neon an experimental agentic browser, so behaviour and plan limits may change.

## FAQ

**Is DeepSeek better than Opera Neon?**

It depends on your workflow. DeepSeek is built for Low-cost API integration. Opera Neon is built for Multi-tab research, delegating repetitive browser tasks, building quick web outputs, connecting external AI agents to a live browser session.

**What are the key feature differences between DeepSeek and Opera Neon?**

DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models. Opera Neon: Agentic AI browser that researches, navigates and completes web tasks for you.

**Does DeepSeek or Opera Neon have a free plan?**

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

**Which is cheaper, DeepSeek or Opera Neon?**

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