TxBench Antibody Discovery V0
Science
Original antibody-discovery cohort: 100 deterministic tasks using experimental biological data. Formerly V1, now V0; published pass rates distinguish model and agent harness.
Top models (higher is better)
| Model | Score |
|---|---|
| GPT-6 Astra | 56.9 |
| Claude Opus 5 | 53.0 |
| Grok 4.6 | 51.9 |
| Gemini 3.7 Flash | 50.0 |
| Opus 4.8 | 45.6 |
| Gemini 3.5 Flash | 42.6 |
| Opus 4.7 | 39.0 |
| DeepSeek V4.1 Flash | 39.0 |
| Grok 4.5 | 38.9 |
| Sonnet 5 | 37.3 |
| GPT-5.6 Sol | 33.8 |
| GPT-5.5 | 33.6 |
| GPT-5.6 Terra | 31.0 |
| GPT-5.6 Luna | 19.4 |