AI assistant from Anthropic with a large context window. Great for working with documents and code.
Updated: 8/1/2025
Claude — AI assistant from Anthropic with a large context window. Great for working with documents and code.
| Service | Price | Rating | RU | Has API |
|---|---|---|---|---|
| ChatPDF | Freemium | ★★★★☆ 4.9 | ✓ | ✓ |
| ChatGPT | Freemium | ★★★★☆ 4.8 | ✓ | ✓ |
| Writesonic | Freemium | ★★★★☆ 4.7 | ✓ | ✓ |
| Google Gemini | Freemium | ★★★★☆ 4.5 | ✓ | ✓ |
| DeepSeek | Free | ★★★★☆ 4.4 | ✓ | ✓ |
| Perplexity AI | Freemium | ★★★★☆ 4.0 | ✓ | ✓ |
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