Writing
Best AI Model for Long-Document Summarization (2026)
Summarizing books, transcripts, court filings.
Summarizing books, transcripts, court filings. Scored by capability match + benchmark data + pricing.
| # | Model | Score |
|---|---|---|
| 1 | OpenAI: GPT-5 | 166 |
| 2 | Anthropic: Claude Sonnet 4.6 | 162 |
| 3 | Anthropic: Claude Opus 4.7 | 158 |
| 4 | OpenAI: o3 | 150 |
| 5 | Google: Gemini 2.5 Pro | 146 |