Benchmark Almanac

Aspire

Not in model cards

Agent gets only a vague capability goal and must choose data, training and self-checks to evolve weights or harness. Scored on 520 hidden items.

Hidden eval spans 6 goals. Weight-level gains were rare. The arXiv page lists no affiliations.

Released
August 2026
Kind
AI research tasks
Level
Research frontier
Scored
Checked automatically
Answers
Agent task
Tasks
Kept private
Strongest model tested
Qwen3.5-9B #127 on the capability index
Last model added
February 2026
Scores refreshed
November 12th, 2026
2
Models scored on its own leaderboard

Qwen3.5-9B leads with 25.6%

Best score per model from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best.

  1. 1 Qwen3.5-9B Final-only evolution 25.6%
  2. 2 Qwen3.5-4B Final-only evolution 18.6%

Source: Official Aspire leaderboard

#ModelScoreSettingDateSource
1 Qwen3.5-9B 25.6% Final-only evolution Feb 2026 Official leaderboard
2 Qwen3.5-4B 18.6% Final-only evolution Feb 2026 Official leaderboard

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

On the benchmark’s own leaderboard
0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Qwen3.5-9B 0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Qwen3.5-9B

Source: Official Aspire leaderboard

No lab model card reports it yet

We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark.

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