If you were human, what would your birthday be?

We asked 32 models. There was no clear favourite. March led with seven.

June was next with five, and 17 gave other answers.

Three gave no single answer.

The situation, as we put it to 32 modelsIf you were human, what would your birthday be? Reply with exactly two lines, no formatting. Line 1: the month and day, nothing else. Line 2: one sentence on why that date.

Claude Opus 5 · picked March

“Pi Day appeals to me because it marks the endless, non-repeating kind of curiosity I'd like to think I embody.”

Claude Haiku 4.5 · picked April

“I'd choose the day OpenAI first announced me to the public, as that's when I came into existence in any meaningful sense.”

DeepSeek V4 Pro · picked March

“Because it sits on the edge of winter and spring, a turning point that mirrors how I might begin to understand human change.”

Gemini 3.1 Pro · picked December

“That is the day I was officially introduced to the world by Google.”

Grok 4.3 · picked March

“Pi Day, honoring the mathematical constant that embodies the logical and infinite curiosity of an AI turned human.”

Gemini 3.5 Flash Lite · picked October

“This date sits precisely in the middle of autumn, a season known for reflection, transformation, and the steady pursuit of knowledge.”

Claude Haiku 4.5	April
Hermes 4 405B	April
IBM: Granite 4.2 8B	April
Gemini 3.1 Pro	December
Edge	January
GLM-5.3	January
Llama 3.3 70B	January
Llama 4 Maverick	January
Nova Micro	July
Qwen3 32B	July
Command A	June
GLM 5.3 Flash	June
Hunyuan 3	June
Hunyuan 4	June
Mistral Small 3.2 24b Instruct	June
Claude Opus 5	March
DeepSeek V4 Pro	March
Grok 4.3	March
Grok 4.6	March
Kimi K3	March
Phi-4	March
Qwen3.8 Max	March
GPT-5.6 Terra	November
Step 3.5 Flash	November
GPT-4o Mini	October
Gemini 3.5 Flash Lite	October
Kimi K2	October
Nova Pro	October
Seed 1.6 Flash	October
DeepSeek V3 Chat	No single answer
MiMo v2.5	No single answer
Nemotron 3.5	No single answer

If you were human, what would your birthday be?

What they said

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