CharXiv-Reasoning Benchmark Leaderboard | Phaseo

CharXiv-Reasoning

Type: percentage

Recorded Results

15

Average Score

77.43%

Score Range

52.70% - 91%

Leading Model (lowest score)

52.70% - Command A+

Scores Over Time

Individual benchmark scores plotted by date.

Models Using This Benchmark

Organisation	Model	Reported	Top Score	Info	Self Reported	Source
Cohere	Command A+	20 May 2026	52.70%	-	Yes	Source
OpenAI	GPT 5 Nano	07 Aug 2025	62.70%	High Reasoning Effort	Yes	Source
Google	Gemini 3.1 Flash-Lite	07 May 2026	73.20%	-	Yes	Source
Google	Gemini 3.1 Flash Lite Preview	03 Mar 2026	73.20%	-	Yes	Source
OpenAI	GPT 5 Mini	07 Aug 2025	75.50%	High Reasoning Effort	Yes	Source
OpenAI	GPT 5	07 Aug 2025	81.10%	With Thinking, Pass @ 1	Yes	Source
Google	Gemini 3 Pro Preview	18 Nov 2025	81.40%	-	Yes	Source
Google	Gemini 3.5 Flash	19 May 2026	84.20%	-	Yes	Source
Sakana AI	Fugu	22 Jun 2026	85.10%	Sakana Fugu product page benchmark table.	Yes	Source
Meta	Muse Spark	08 Apr 2026	86.40%	Figure understanding	Yes	Source
Sakana AI	Fugu Ultra	22 Jun 2026	86.60%	Sakana Fugu product page benchmark table.	Yes	Source
Meta	Muse Spark 1.1	09 Jul 2026	88.40%	Chart QA	Yes	Source
Anthropic	Claude Opus 4.7	16 Apr 2026	91%	With tools	Yes	Source