OpenAI-MRCR: 2 needle 256k Benchmark Leaderboard | Phaseo

OpenAI-MRCR: 2 needle 256k

Type: percentage

Recorded Results

6

Average Score

50.80%

Score Range

22.60% - 86.80%

Leading Model (lowest score)

22.60% - 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	22.60%	-	Yes	Source
OpenAI	GPT 5 Nano	07 Aug 2025	34.90%	High Reasoning Effort	Yes	Source
OpenAI	GPT 4.1 Mini	14 Apr 2025	45.50%	-	Yes	Source
OpenAI	GPT 4.1	14 Apr 2025	56.20%	-	Yes	Source
OpenAI	GPT 5 Mini	07 Aug 2025	58.80%	High Reasoning Effort	Yes	Source
OpenAI	GPT 5	07 Aug 2025	86.80%	High Reasoning Effort	Yes	Source