# DeepSeek vs SoldFetch

> DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models
> SoldFetch: eBay sold-listing data for apps and AI agents.

- DeepSeek profile: https://finderatlas.com/tools/deepseek
- SoldFetch profile: https://finderatlas.com/tools/soldfetch
- Comparison page: https://finderatlas.com/compare/deepseek-vs-soldfetch
- Last reviewed: October 2026

## Verdict

DeepSeek is listed under AI Assistants and SoldFetch under Developer Tools. DeepSeek scores higher in FinderAtlas's editorial review (8.8 vs 7.7 out of 10). Both have a free plan or trial. Only DeepSeek is available on Windows, macOS and iOS 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 SoldFetch if

- You want a tool built for pricing items from observed eBay sold listings, price monitoring, feeding eBay data to AI agents over MCP.
- Clear unit-based pricing with plans from $0 to $79 per month and hard caps instead of surprise overage.
- Failed requests are not charged.

## Pricing

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

## Features

| Feature | DeepSeek | SoldFetch |
| --- | --- | --- |
| 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 |
| Category search | Not listed | Yes |
| Item lookup | Not listed | Yes |
| Sold listings search | Not listed | Yes |
| MCP server | Not listed | Yes |
| Agent skill | Not listed | Yes |
| Unified schema | Not listed | Yes |
| Multiple eBay sites | Not listed | Yes |
| Free playground | Not listed | Yes |
| No charge for failures | Not listed | Yes |

## Platforms

| Platform | DeepSeek | SoldFetch |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | Yes | No |
| macOS | Yes | No |
| 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

## SoldFetch strengths

- Clear unit-based pricing with plans from $0 to $79 per month and hard caps instead of surprise overage
- Failed requests are not charged
- Native MCP server and agent skill alongside REST
- Candid about limits: unverified sale dates and displayed (not final) prices
- Public playground to try searches without signing up

## SoldFetch limitations

- Not an official eBay API; data comes through unnamed upstream providers
- Sale dates and accepted-offer prices are unverified, and verified date filters and email exports are unavailable
- Operating company, location and team are not disclosed
- Only three eBay sites enabled; no uptime commitment outside enterprise agreements

## FAQ

**Is DeepSeek better than SoldFetch?**

It depends on your workflow. DeepSeek is built for Low-cost API integration. SoldFetch is built for pricing items from observed eBay sold listings, price monitoring, feeding eBay data to AI agents over MCP.

**What are the key feature differences between DeepSeek and SoldFetch?**

DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models. SoldFetch: eBay sold-listing data for apps and AI agents.

**Does DeepSeek or SoldFetch have a free plan?**

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

**Which is cheaper, DeepSeek or SoldFetch?**

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