Benchmark Almanac

AIME 1983-2024

Only in system cards

Models solve 949 past AIME problems from 1983 to 2024. Integer answers are checked exactly.

Older problems are likely in training data, so scores mix recall and reasoning.

Released
March 2025
Kind
Competition problems with answers
Level
Competition
Scored
Checked automatically
Answers
Short answer
Tasks
All public
Last in a system card
April 2025
Last model added
April 2025
2
Models scored in lab cards
2
System cards report it, from 1 lab

Phi-4-Reasoning-plus leads with 89.4%

Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.

  1. 1 Phi-4-Reasoning-plus 89.4%
  2. 2 Phi-4-reasoning 83.1%

Source: Labs’ model cards

#ModelScoreSettingDateSource
1 Phi-4-Reasoning-plus 89.4% Apr 2025 Lab model card
2 Phi-4-reasoning 83.1% Apr 2025 Lab model card

Microsoft’s own number for Phi-4-Reasoning-plus passed 85% in April 2025

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

Reported by the lab in its model card
0% 20% 40% 60% 80% 100% 2025 Near the ceiling (85%) Phi-4-Reasoning-plus 0% 20% 40% 60% 80% 100% 2025 Near the ceiling (85%) Phi-4-Reasoning-plus

Source: Labs’ model cards

Labs report it only in system cards

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

2 system cards report it, from 1 lab

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

DateDocumentScoreAs the document writes itSection
Apr 30, 2025 Phi-4-reasoning technical report 83.1 AIME 83-24, average pass@1 over 5 runs (Figure 8, printed bar label) Capabilities
Apr 30, 2025 Phi-4-Reasoning-plus technical report 89.4 AIME 83-24, average pass@1 over 5 runs (Figure 8, printed bar label) Capabilities

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