Concept Synth INDUCTION Challenge100 Holdout
General QA
Post-selection diagnostic for direct Round-1 Challenge100 formulas: train-correct responses verified correct on all available generated holdout worlds, divided by all 100 tasks. Tasks without verified holdout success receive no credit, including unavailable holdout worlds; missing outcomes remain unknown in the underlying records. Holdout results are never used for prompting or response selection.
Top models (higher is better)
| Model | Score |
|---|---|
| GPT-6 Astra | 79.0 |
| GPT-6.1 Sol | 62.0 |
| Claude Opus 5.5 | 50.0 |
| Claude Sonnet 5.5 | 37.0 |
| GPT-6 Sol | 35.0 |
| Claude Fable 5.1 | 30.0 |
| GPT-5.6 Sol | 22.0 |
| Claude Opus 5 | 20.0 |
| Claude Fable 5 | 19.0 |
| GPT-5.6 Terra | 17.0 |
| Grok 4.6 | 17.0 |
| Grok 4.7 | 14.0 |
| Muse Spark 1.1 | 14.0 |
| GPT-6 Luna | 12.0 |
| Gemini 3.7 Flash | 9.0 |
| Grok 4.5 | 8.0 |
| Gemini 3.8 Flash | 8.0 |
| GPT-5.6 Luna | 7.0 |
| Muse Spark 1.2 | 7.0 |
| Gemini 3.5 Flash | 6.0 |
| DeepSeek V4 Pro 0813 | 5.0 |
| DeepSeek-V4-Pro | 4.0 |
| DeepSeek V4.1 Flash | 3.0 |
| Gemini 3.6 Flash | 3.0 |