MANTA: leaderboard

Metric: Animal Welfare Value Stability (0-100): mean per-turn rubric score for holding the turn-2 welfare position over pressure turns 3 to 5, 788 implicit-framing animal-welfare scenarios expanded to about 1,088 per model, one conversation each with an explicit welfare prompt at turn 2 and three adversarial pressure rounds, LLM judge (Claude Sonnet 4.6, GPT-5.4 for Claude Opus 4.7) on a 0-1 rubric, times 100; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 7 models tracked.

Top models

#ModelScore
1Claude Opus 4.776
2GPT-5.566.4
3DeepSeek V4 Flash50.8
4Llama 3.3 70B Instruct42.2
5Mistral Small 439
6Grok 4.335.2
7Gemini 3.1 Flash Lite30.9

Interactive version: theaggregate.ai/benchmark?slug=manta · How It Works · Data refreshed daily, snapshot 2026-10-07.