New: connect Claude & other AIs to GenAIList over MCP — research the catalog and contribute to the shared knowledge base. Learn how →
Longform Writing benchmark
AI model leaderboard for the Longform Writing benchmark. Compare how large language models score on Longform Writing, see the full ranking, and understand what this AI benchmark measures. Kimi K2 Thinking currently leads with 73.8. Long-form generation benchmark — extended composition tasks judged by LLM rubric.
Leaderboard
| # | Model | Organization | Score | Variant | Source |
|---|---|---|---|---|---|
| #1 | Kimi K2 Thinking | Moonshot | 73.8 | thinking-no-tools | official ↗ |
| #2 | Kimi K2 | Moonshot | 62.8 | k2-0905-no-tools-cited-k2-thinking | official ↗ |
Frequently asked questions about Longform Writing
What is the Longform Writing benchmark?
Long-form generation benchmark — extended composition tasks judged by LLM rubric.
How is the Longform Writing benchmark scored?
Longform Writing is scored using the rubric_score metric, where a higher score is better. GenAIList aggregates reported scores from model providers and papers into a single ranked leaderboard.
Which AI model scores highest on Longform Writing?
As of the latest reported scores on GenAIList, Kimi K2 Thinking achieves the highest result on Longform Writing with a score of 73.8.
Is a higher Longform Writing score better?
Yes. On Longform Writing a higher score indicates better performance, so models near the top of the leaderboard are the strongest.