AutoArena Research - Optimizer updates to quality at validation BPB < 1.05: leaderboard

AutoArena reports accepted research runs on 9 separate targets. Each run has a ceiling of 100 launches, including reference launches and failures. The research method chooses training and design changes; the outcome is the best generated artifact that meets the quality requirement (validation BPB < 1.05). It does not measure the throughput of the research LLM itself. Native comparison values, budgets, methods, providers, and explicitly named research LLMs are retained. Training time is discretized to 30-second checkpoints under the native rules; other metrics retain native full precision. Missing LLM metadata remains unknown and is not assigned an assumed Opus variant. Overall Elo is not added because it is derived from the same nine target outcomes. Metric: updates_to_target (optimizer steps).

Metric: updates_to_target (optimizer steps). Source: auto-research-arena.github.io. Saturation forecast: Rough model projection: around 2026. 6 models tracked.

Top models

#ModelScoreOverall rank
1AutoArena autoscientists research system us.anthropic.claude-opus-5[1m]267
2AutoArena sequential-search research system us.anthropic.claude-opus-5[1m]295
3AutoArena gear research system us.anthropic.claude-opus-5[1m]306
4AutoArena beam-search research system us.anthropic.claude-opus-5[1m]335
5AutoArena arbor research system None337
6AutoArena heuresis-map-elites research system None377

Interactive version: theaggregate.ai/benchmark?slug=autoarena-research-optimizer-updates-to-quality-at-validation-bpb-under-1-05 · How It Works · Data refreshed daily, snapshot 2026-10-28.