Best AI for Long Documents
Compare AI models with the largest context windows for analyzing books, legal contracts, transcripts and entire codebases.Rankings combine multiple benchmark scores weighted by relevance to this use case. Updated August 2026.
Why This Matters
Long Documents is one of the most common AI workloads — and the best model depends heavily on the specific task. A model that excels at creative writing may struggle with structured data extraction, and vice versa.
We built this use-case ranking by combining multiple benchmark categories with weights tuned to match real-world usage patterns. For long documents, the score emphasizes the benchmarks that matter most: task accuracy, output quality, and consistency. Speed and cost are factored in but secondary to quality.
All scores are from public independent benchmarks. For a broader view across all tasks, see the overall LLM leaderboard or the expert picks page.
Quick Answer
The best AI models for long documents are:1. Qwen3.7 Max (Alibaba, score: 87.2), 2. Qwen3.6 Plus (Alibaba, score: 78.9), 3. Qwen3.8 Flash Next (Alibaba, score: 77.2).
| # | Model | Provider | Score | Speed | Price (output) |
|---|---|---|---|---|---|
| 1 | Qwen3.7 Max | Alibaba | 87.2 | 203 t/s | $7.5/M |
| 2 | Qwen3.6 Plus | Alibaba | 78.9 | 55 t/s | $3/M |
| 3 | Qwen3.8 Flash Next | Alibaba | 77.2 | 168 t/s | $0.4/M |
| 4 | DeepSeek V4.1 Flash | DeepSeek | 77.2 | 214 t/s | $1.2/M |
| 5 | GLM-5.3 Flash | Z.ai | 77.0 | 182 t/s | $0.3/M |
| 6 | Claude Fable 5 | Anthropic | 76.8 | 71 t/s | $50/M |
| 7 | Claude Opus 5 | Anthropic | 74.4 | 60 t/s | $25/M |
| 8 | Agnes 3.0 Flash | Agnes | 73.8 | 235 t/s | $0.15/M |
| 9 | GPT-6 Astra | OpenAI | 72.6 | 82 t/s | $50/M |
| 10 | Claude Opus 4.8 | Anthropic | 71.0 | 50 t/s | $15/M |
| 11 | Nemotron 3 Ultra 550B | NVIDIA | 71.0 | 142 t/s | $2.75/M |
| 12 | Muse Spark 1.1 | Meta | 70.8 | 208 t/s | $4.25/M |
| 13 | Claude Opus 4.7 | Anthropic | 70.4 | 80 t/s | $15/M |
| 14 | DeepSeek V4 Flash Vision | DeepSeek | 69.6 | 120 t/s | $1.32/M |
| 15 | GLM-5.3 | Zhipu AI | 69.6 | 90 t/s | $4.4/M |