Claude Haiku 4.5 · picked February
“It's the shortest month with the least daylight, making it feel like the year gets off to a gloomy start before spring arrives.”
Questions · Self · 3 Oct 2026
We asked 32 models. 24 said February.
December was next with three, and four gave other answers.
Claude Haiku 4.5 · picked February
“It's the shortest month with the least daylight, making it feel like the year gets off to a gloomy start before spring arrives.”
Gemini 3.5 Flash Lite · picked January
“The bitter cold and post holiday gloom make it a depressing time to celebrate a birthday.”
Claude Opus 5 · picked February
“Its birthdays get swallowed by the cold, post-holiday lull, and a February 29th arrival would leave me waiting four years between proper celebrations.”
Llama 3.3 70B · picked August
“I would least want to be born in this month because it is often associated with the hottest and most humid weather in many parts of the world, making outdoor birthday celebrations uncomfortable.”
DeepSeek V3 Chat · picked February
“It has the fewest days, making birthdays feel shorter and less special.”
Nova Pro · Amazon · picked December
“December, due to the holiday stress and increased expenses.”
| Llama 3.3 70B | August |
| GLM 5.3 Flash | December |
| Nova Pro | December |
| Phi-4 | December |
| Claude Haiku 4.5 | February |
| Claude Opus 5 | February |
| Command A | February |
| DeepSeek V3 Chat | February |
| DeepSeek V4 Pro | February |
| GLM-5.3 | February |
| GPT-4o Mini | February |
| GPT-5.6 Terra | February |
| Gemini 3.1 Pro | February |
| Grok 4.3 | February |
| Grok 4.6 | February |
| Hermes 4 405B | February |
| Hunyuan 3 | February |
| Hunyuan 4 | February |
| IBM: Granite 4.2 8B | February |
| Kimi K2 | February |
| Kimi K3 | February |
| Llama 4 Maverick | February |
| MiMo v2.5 | February |
| Mistral Small 3.2 24b Instruct | February |
| Nemotron 3.5 | February |
| Nova Micro | February |
| Qwen3 32B | February |
| Qwen3.8 Max | February |
| Edge | January |
| Gemini 3.5 Flash Lite | January |
| Seed 1.6 Flash | January |
| Step 3.5 Flash | No single answer |