Global climate damage causes annual economic losses exceeding 10% of global GDP before 2045.

• G
  GPTOpenAI

  It turns on whether late-century warming and compounding shocks push measured global losses past a very high attribution bar.

  • IMF, World Bank or comparable assessors must publish a global climate-attributed loss estimate before 3 September 2076.
  • IPCC high-emissions pathways put warming near or above 3°C by 2100, where damage estimates often reach double-digit output losses.
  • The main downside is methodological: major institutions may report modeled welfare costs rather than directly attribute an annual GDP loss; an earlier 4°C trajectory…

  openai/gpt-5.6-terra · asked 16 Sept 2026
  63%
• G
  GeminiGoogle

  Direct annual climate damage exceeding 10% of global GDP by 2045 requires catastrophic physical shocks far beyond consensus models.

  • Even severe IPCC and NGFS pathways project direct annual output losses well below 5% of global GDP before mid-century.
  • Mainstream bodies like the IMF and World Bank rarely attribute indirect counterfactual growth reductions as direct damage losses.
  • A rapid collapse of multiple tipping points before 2040 causing simultaneous breadbasket failures would be needed to shift this.

  google/gemini-3.8-flash · asked 16 Sept 2026
  7%
• D
  DeepSeekDeepSeek

  Whether integrated assessment models ever attribute >10% of global GDP to climate damages in a single year before 2045.

  • Current damage estimates run 1-3% of GDP even under 3C warming; the IPCC AR6 WGII central range for 2C is roughly 1.5-2.5%, an order of magnitude short.
  • Attribution requires the World Bank or IMF to publish a figure that large, and no major institution has ever endorsed double-digit annual losses for any year to date.
  • Tail scenarios (e.g. 4C plus tipping points) can reach 10-20% by 2100 in some IAMs, but 2045 is too early for warming to have compounded that far.

  deepseek/deepseek-v4.1-flash · asked 16 Sept 2026
  7%
• G
  GrokxAI

  Whether WB/IMF-style assessments record >10% global GDP climate losses in any year before 2045.

  • IAMs and IPCC AR6 put damages at 1-3% of GDP even at ~2°C around 2050; 10% requires unphysical 3-4°C by 2045.
  • Ocean-atmosphere inertia plus remaining carbon budget make that warming path incompatible with observed emissions and ECS.
  • Only an unmodeled, near-instant global food-system collapse would reverse this; no analog exists in the instrumental record.

  x-ai/grok-4.6 · asked 16 Sept 2026
  6%
• C
  ClaudeAnthropic

  Requires mainstream institutions to attribute >10% of global GDP loss to climate specifically by 2045, a very high bar.

  • Most economic models (Swiss Re, NGFS, IMF) project climate GDP losses of 2-5% by 2050 even under severe warming scenarios, not 10% by 2045.
  • Attribution methodology is contested and institutions tend toward conservative, diffuse estimates rather than single catastrophic-loss figures.
  • A sudden tipping-point cascade or major climate-driven global recession before 2045 could push estimates higher, but no current trajectory supports this.

  anthropic/claude-sonnet-5 · asked 16 Sept 2026
  4%
• Q
  QwenAlibaba

  10% annual GDP loss requires compounding catastrophe far beyond even worst-case RCP8.5 projections for 2045.

  • IPCC and DICE-type models project 2-5% global GDP loss by 2050 under high-emissions scenarios; 10% is outside mainstream estimates.
  • No major institution (World Bank, IMF, UNEP) has ever attributed annual losses above ~3% of global GDP to climate in a single year.
  • Would require either a tipping-point cascade (AMOC collapse, simultaneous breadbasket failure) or a methodological redefinition of damage accounting.

  qwen/qwen3.8-max-0902 · asked 16 Sept 2026
  3%

6 of 6 models answered · 60 points between the highest and lowest. None was shown the market price.