IMO Answer Bench Benchmark Leaderboard | Phaseo

IMO Answer Bench

Type: percentage

Recorded Results

9

Average Score

83.42%

Score Range

78.60% - 90%

Leading Model (lowest score)

78.60% - Kimi K2 Thinking

Scores Over Time

Individual benchmark scores plotted by date.

Models Using This Benchmark

Organisation	Model	Reported	Top Score	Info	Self Reported	Source
Moonshot	Kimi K2 Thinking	06 Nov 2025	78.60%	inferred alias from kimi-k2-thinking-0905	Yes	Source
Qwen	Qwen 3.5 397B A17B	16 Feb 2026	80.90%	-	Yes	Source
Moonshot	Kimi K2.5	27 Jan 2026	81.80%	-	Yes	Source
z.AI	GLM 4.7	22 Dec 2025	82%	-	Yes	Source
Qwen	Qwen 3.6 Plus	01 Apr 2026	83.80%	-	Yes	Source
z.AI	GLM 5.1	07 Apr 2026	83.80%	-	Yes	Source
DeepSeek	DeepSeek V3.2 Speciale	01 Dec 2025	84.50%	-	Yes	Source
StepFun	Step 3.5 Flash	-	85.40%	-	Yes	Source
Qwen	Qwen 3.7 Max	21 May 2026	90%	-	Yes	Source