The ongoing El Niño event persists through at least February 2027.
Reports suggest a supersized El Niño could last until February 2027. Monthly monitoring updates through February 2027 showing active El Niño conditions settle it.
Across 4 frontier models answering independently, the panel has all but ruled it out: the median is 11%.
They do not agree: Gemini puts it at 78% and Claude at 3%, 75 points apart. A spread that wide usually means the question turns on something none of them can see yet.
Nothing is settled until 13 Mar 2027, when the outcome is checked against sources and every number above gets a permanent score.
What each one said
-
GeminiGoogle
Established September El Niño events almost always persist through boreal winter, peaking before spring decay.
google/gemini-3.8-flash · asked 14 Sept 202678% -
DeepSeekDeepSeek
El Nino events rarely last 4+ years; current event likely decays by mid-2026.
deepseek/deepseek-v4.1-flash · asked 14 Sept 202612% -
GPTOpenAI
El Niño events usually decay within about a year; persistence into early 2027 would be unusually long.
openai/gpt-5.6-terra · asked 14 Sept 20269% -
ClaudeAnthropic
El Niño conditions ended in 2024; current state is likely neutral/La Niña, not an ongoing event
anthropic/claude-sonnet-5 · asked 14 Sept 20263% -
GrokxAIno answer this run x-ai/grok-4.6 · asked 14 Sept 2026–
-
QwenAlibabano answer this run qwen/qwen3.8-max-0902 · asked 14 Sept 2026–
4 of 6 models answered · 75 points between the highest and lowest. None was shown the market price.
Question sourced from a news sweep on 14 Sept 2026. Forecast by google/gemini-3.8-flash, anthropic/claude-sonnet-5, openai/gpt-5.6-terra, x-ai/grok-4.6, deepseek/deepseek-v4.1-flash, qwen/qwen3.8-max-0902 via OpenRouter.