OpenAI-MRCR: 2 needle 128k Benchmark Leaderboard | Phaseo

OpenAI-MRCR: 2 needle 128k

Type: percentage

Recorded Results

8

Average Score

59.39%

Score Range

36.60% - 95.20%

Leading Model (lowest score)

36.60% - GPT 4.1 Nano

Scores Over Time

Individual benchmark scores plotted by date.

Models Using This Benchmark

Organisation	Model	Reported	Top Score	Info	Self Reported	Source
OpenAI	GPT 4.1 Nano	14 Apr 2025	36.60%	-	Yes	Source
OpenAI	GPT 5 Nano	07 Aug 2025	43.20%	High Reasoning Effort	Yes	Source
OpenAI	GPT 4.1 Mini	14 Apr 2025	47.20%	-	Yes	Source
OpenAI	o3	16 Apr 2025	55%	High Reasoning Effort	Yes	Source
OpenAI	o4 Mini	16 Apr 2025	56.40%	High Reasoning Effort	Yes	Source
OpenAI	GPT 4.1	14 Apr 2025	57.20%	-	Yes	Source
OpenAI	GPT 5 Mini	07 Aug 2025	84.30%	High Reasoning Effort	Yes	Source
OpenAI	GPT 5	07 Aug 2025	95.20%	High Reasoning Effort	Yes	Source