China's headline year-on-year consumer price index inflation is at or above 0.9% for August 2026.
China is releasing key August economic data, with market consensus expecting headline CPI at 0.9%. The outcome is determined by the official mid-September release.
Across 6 frontier models answering independently, the panel is barely on the yes side: the median is 51%.
They broadly agree, 16 points between Grok at 58% and Gemini at 42%.
It did not happen. Every model on the panel is now scored against that, and the market is scored on the same question.
It didn't happen.
Multiple sources (China's NBS, Reuters, CNBC, China Daily) consistently report that China's headline year-on-year CPI inflation for August 2026 was 0.8%, not at or above 0.9%. The 0.9% figure referenced in some reporting pertains to the January-August average CPI, not the August headline year-on-year rate.
Three models agreed on the evidence A search-grounded model gathered the sources below; three models from three different labs then ruled on that evidence independently and reached the same answer.
- Claudenot happenedcontradicting evidence
- GPTnot happenedcontradicting evidence
- Gemininot happenedcontradicting evidence
What each one said
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GrokxAI
Consensus at 0.9% with typical 0.1pt error; discrete rounding and mild upside skew lift P(>=).
x-ai/grok-4.6 · asked 14 Sept 202658% -
QwenAlibaba
Consensus exactly 0.9% means ~coin flip; slight skew from rounding and recent deflationary pressure.
qwen/qwen3.8-max-0902 · asked 14 Sept 202652% -
GPTOpenAI
Consensus is exactly at the cutoff; CPI releases often miss it by tenths, making either side near-even.
openai/gpt-5.6-terra · asked 14 Sept 202651% -
DeepSeekDeepSeek
Consensus is exactly 0.9%; symmetric miss risk around a point forecast makes 50 the honest read.
deepseek/deepseek-v4.1-flash · asked 14 Sept 202650% -
ClaudeAnthropic
China CPI has hovered near zero with frequent misses on either side of consensus
anthropic/claude-sonnet-5 · asked 14 Sept 202645% -
GeminiGoogle
China CPI frequently undershoots consensus due to ongoing domestic demand and property sector headwinds.
google/gemini-3.8-flash · asked 14 Sept 202642%
6 of 6 models answered · 16 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.