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Design Arena launches Spreadsheet Arena, ranking Claude Fable 5.1 first

AIDesign Arena launches Spreadsheet Arena, a leaderboard where models build real spreadsheets head to head. Claude Fable 5.1 from Anthropic leads with a score of 1371, followed by GPT-6 Astra (xhigh) from OpenAI at 1370 and Claude Opus 5.5 at 1358.
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Introducing Spreadsheet Arena! Models now go head-to-head building real spreadsheets on Design Arena, and the first leaderboard is live.

The top 3 models are nearly neck and neck: Claude Fable 5.1 by @AnthropicAI (1371), GPT-6 Astra (xhigh) by @OpenAI (1370), and Claude Opus 5.5 by @AnthropicAI (1358).

Then comes a 108-point drop to #4 Claude Sonnet 5.5 (1250). Only 13 points separate the top 3, but there's a clear gap between them and the rest of the field.

Check out the leaderboard at https://www.designarena.ai/leaderboard?tab=work!

Source details

DesignArena · x.comPublished

Original title: Introducing Spreadsheet Arena! Models now go head-to-head building real spreadsheets on Design Arena, and the first leaderboard is live.

Topics

Anthropic / ClaudeOpen-source ecosystemEvals & benchmarksTrends

Tags

#OpenAI