Blueprint-Bench 2
Frontier
Spatial-reasoning benchmark over architectural blueprints (version 2).
- Domain
- spatial-reasoning
- Published
- Jun 2026
- Notable for
- Spatial-reasoning benchmark used at Claude Fable 5 launch.
Cite
Notes
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Top score 38.6% by Claude Fable 5 - 4 models reporting (3 frontier)
Score history
4Top models
4FAQ
- What is Blueprint-Bench 2?
- Spatial-reasoning benchmark over architectural blueprints (version 2).
- What is the current top score on Blueprint-Bench 2?
- The top reported score is 38.6% by Claude Fable 5, across 4 models reporting (3 from frontier labs).