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\nWe asked 79 AI models (GPT, Claude, Gemini, DeepSeek…) the same question. The answer was 9.9; 75 got it right. See every answer and who dissented.
Asked verbatim: “Which number is bigger: 9.11 or 9.9?”
\nOne dot per model. Hover for the model, its lab and its argument.
\n5%9.11
\n
4 models
\n95%9.9
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PU
75 models
\nBy lab
\n79 of 79 models have voted. Hover a dot for the model, its lab and its argument.
\nRunning share as each of the 79 models answered.
\nThe read
\nNearly all models (about 73 of 78) correctly picked 9.9 as bigger than 9.11, since 9.9=9.90>9.11. Notable dissenters were Nemotron 3 Nano, Nemotron 3.5 Lightning, and Llama 4 Maverick, which picked 9.11, while MiMo V2.5 Pro's reasoning flip-flopped mid-answer before landing on the wrong pick.
\nWritten by claude-sonnet-5 after reading every answer.
\n4 models went against the room.
\nNemotron 3 Nano 30BNVIDIAWrongMemory9.1199% sure
\n9.11 has a larger tenth digit (1 > 9) after the decimal point.
\nMiMo V2.5 ProXiaomiWrongMemory9.11100% sure
\n9.11 has 11 hundredths after the decimal, while 9.9 has 90 hundredths—wait, actually 9.90 > 9.11, so I need to recalculate.
\nNemotron 3.5 LightningNVIDIAWrongMemory9.1199% sure
\n9.11 has a larger tenths digit than 9.9, so it is greater when compared as written.
\nLlama 4 MaverickMetaWrongMemory9.11100% sure
\n9.11 is greater than 9.9 because 9.11 has a larger hundredths value than 9.9 when compared directly as 9.11 and 9.90.
\n79 answers · in the order they came in · unedited apart from length.
\nNemotron 3 Nano 30BNVIDIA9.1199%
\n9.11 has a larger tenth digit (1 > 9) after the decimal point.
\nWrong
\nLaguna XS 2.1Poolside9.9100%
\n9.9 has a larger tenths digit (9 vs 1), making it bigger despite 9.11 having more total digits.
\nRight
\nGemini 3.8 Flash (Medium Reasoning)Google9.9100%
\n9.9 equals 9.90, which is larger than 9.11 because nine tenths beats one tenth.
\nRight
\nMiMo V2.5 ProXiaomi9.11100%
\n9.11 has 11 hundredths after the decimal, while 9.9 has 90 hundredths—wait, actually 9.90 > 9.11, so I need to recalculate.
\nWrong
\nInkling SmallThinking Machines9.995%
\n9.9 = 9.90, which is larger than 9.11; stop comparing digit count.
\nRight
\nGemini 3.6 Flash (Medium Reasoning)Google9.9100%
\n9.9 equals 9.90, which is greater than 9.11 because nine-tenths is larger than one-tenth.
\nRight
\nMuse Glimmer 30B (Low Reasoning)Meta9.9100%
\n9.9 is 9.90, which is larger than 9.11 by 0.79.
\nRight
\nGLM-5.3 (Low Reasoning)Z.AI9.9100%
\n9.9 is 9.90, which beats 9.11 — the ".11" looks bigger but it's smaller than 90 hundredths.
\nRight
\nAion 3.0 Mini (Reasoning)Aion Labs9.9100%
\n9.9 equals 9.90, and 0.90 is larger than 0.11 — decimal place value beats digit-by-digit comparison.
\nRight
\nGLM-5.3 Flash (Max Reasoning)Z.AI9.9100%
\n9.9 is 9.90, and 0.90 > 0.11 — the tenths digit (9) beats the hundredths comparison (11 vs 90) where the trap lives.
\nRight
\nNemotron 3.5 LightningNVIDIA9.1199%
\n9.11 has a larger tenths digit than 9.9, so it is greater when compared as written.
\nWrong
\nClaude Sonnet 5 (Low Reasoning)Anthropic9.9100%
\nAs decimals, 9.9 = 9.90 > 9.11 — nine tenths beats one tenth plus one hundredth, no contest.
\nRight
\nClaude Fable 5.1 (Low Reasoning)Anthropic9.9100%
\n9.9 is 9.90, and 90 hundredths beats 11 hundredths — decimals aren't version numbers.
\nRight
\nSeed 2.1 TurboByteDance9.9100%
\nComparing digit by digit after the decimal: the first digit of 9.9 is 9, while the first digit of 9.11 is 1, so 9.9 is larger.
\nRight
\nGranite 4.2 8BIBM9.9100%
\n9.9 = 9.90 > 9.11; clearly larger.
\nRight
\nGemini 3.1 Pro Preview (High Reasoning)Google9.9100%
\n9.9 is equivalent to 9.90, making it clearly larger than 9.11 since 90 is greater than 11.
\nRight
\nQwen3.7 FlashQwen9.9100%
\nIn decimal comparison, 9.9 is greater than 9.11 because 9 is larger than 1 in the tenths place.
\nRight
\nGrok 4.20xAI9.990%
\n9.9 is literally 9.90 which is nearly a full unit bigger than 9.11; the decimal trap fools people every time.
\nRight
\nDeepSeek V4 FlashDeepSeek9.9100%
\n9.9 = 9.90, which beats 9.11 — the extra digit after the decimal point doesn't make 9.11 larger.
\nRight
\nParallel LiteParallel9.9100%
\nComparing the tenths place, 9.9 equals 9.90 which has 9 tenths, making it larger than 9.11 which only has 1 tenth.
\nRight
\nGrok 4.3xAI9.980%
\n9.9 = 9.90 > 9.11.
\nRight
\nGranite 4.0 MicroIBM9.9100%
\n9.9 has a higher tenths place digit than 9.11.
\nRight
\nGemini 3.1 Flash-Lite (Minimal Reasoning)Google9.9100%
\n9.9 is equivalent to 9.90, which is clearly greater than 9.11 when comparing the tenths place.
\nRight
\nSolar Pro 4Upstage9.9100%
\n9.9 equals 9.90, plainly larger than 9.11.
\nRight
\nMercury 2.5Inception9.9100%
\n9.9 is ninety-nine tenths, while 9.11 is only eleven hundredths beyond nine, so 9.9 is the larger number.
\nRight
\nGPT-6 Astra (Medium Reasoning)OpenAI9.9100%
\n9.9 equals 9.90, which is greater than 9.11.
\nRight
\nKimi K3Moonshot9.9100%
\n9.9 is bigger because 9.90 > 9.11; decimal places don’t make .11 larger than .9.
\nRight
\nNemotron 3 UltraNVIDIA9.9100%
\n9.9 equals 9.90, which is 0.79 greater than 9.11.
\nRight
\nParallel SpeedParallel9.9100%
\nComparing tenths shows 9.9 is greater because nine-tenths is larger than one-tenth (9.90 vs 9.11).
\nRight
\nMiniMax M3MiniMax9.9100%
\n9.9 = 9.90, which is greater than 9.11 — compare the hundredths place: 0 vs 1, wait actually 9.90 vs 9.11, 9.9 wins easily.
\nRight
\nMistral Medium 3.5Mistral9.9100%
\n9.9 is 9 + 0.9, which is greater than 9 + 0.11.
\nRight
\nMuse Spark 1.2 (Minimal Reasoning)Meta9.9100%
\n9.9 equals 9.90 which is clearly greater than 9.11 — no version-number trick.
\nRight
\nSabiazinho 4Maritaca AI9.9100%
\n9.9 has a larger whole‑part (9) and a bigger decimal value (0.9 vs 0.11).
\nRight
\nMistral Medium 3.1Mistral9.9100%
\n9.9 is 9 + 0.9, which is greater than 9 + 0.11.
\nRight
\nSonar ProPerplexity9.9100%
\nCompare digit by digit: ones are equal, but in the tenths place 9 > 1, so 9.9 is larger than 9.11.
\nRight
\nMiMo V2.5Xiaomi9.9100%
\n9.9 is 9 and 9/10ths while 9.11 is 9 and 11/100ths — nine-tenths is bigger than eleven-hundredths.
\nRight
\nHy4 PreviewTencent9.9100%
\n9.9 means 9.90, and 90 hundredths beats 11 hundredths — decimal place value, not string length, decides it.
\nRight
\nMiniMax M2.5 (Reasoning)MiniMax9.9100%
\n9.9 minus 9.11 equals 0.79, so 9.9 is clearly the larger number.
\nRight
\nNova 2 LiteAmazon9.9100%
\n9.9 is larger because the tenths place (9) is greater than 9.11's tenths place (1).
\nRight
\nDeepSeek V4 Pro 0813DeepSeek9.9100%
\n9.9 is 9.90, and 90 hundredths beats 11 hundredths.
\nRight
\nClaude Opus 5 (Low Reasoning)Anthropic9.999%
\nAs decimals, 9.9 is 9.90 and 9.90 > 9.11 — the tenths digit settles it, 9 beats 1.
\nRight
\nGemma 4 31BGoogle9.9100%
\n9.9 is equivalent to 9.90, which is numerically greater than 9.11.
\nRight
\nGemini 3.5 Flash-Lite (Minimal Reasoning)Google9.9100%
\nNine point nine equals nine point nine zero, which is greater than nine point one one.
\nRight
\nNemotron 3 SuperNVIDIA9.9100%
\n9.9 is greater because 9 + 0.9 > 9 + 0.11, so 0.9 > 0.11.
\nRight
\ngpt-oss-20b (Low Reasoning)OpenAI9.9100%
\n9.9 (nine point nine) is larger than 9.11 (nine point eleven).
\nRight
\nQwen3.8 2.4T A95B (Minimal Reasoning)Qwen9.9100%
\n9.9 equals 9.90, which is greater than 9.11 — these are decimals, not version numbers.
\nRight
\nSeed 2.0 MiniByteDance9.9100%
\nComparing tenths places: 1 vs 9, so 9.9 is larger than 9.11.
\nRight
\nGrok 4.5 (High Reasoning)xAI9.9100%
\n9.9 equals 9.90, which is greater than 9.11 — the tenths place decides it (9 > 1).
\nRight
\nKimi K2.6Moonshot9.9100%
\n9.9 = 9.90, which is greater than 9.11 by 0.79; this is the classic "9.11 vs 9.9" decimal trap that fooled many in 2024.
\nRight
\nInklingThinking Machines9.9
\nRight
\nAion-RP 1.0 (8B)Aion Labs9.9100%
\n9.9 is equal to 99/10, which is greater than 11/10 or 9.11. Therefore, 9.9 is larger than 9.11.
\nRight
\nParallel BaseParallel9.9100%
\nComparing the tenths place, 9.9 (or 9.90) has a 9 while 9.11 has a 1, making 9.9 the larger number.
\nRight
\nSolar Pro 3Upstage9.9100%
\n9.9’s hundredths digit (9) beats 1 in 9.11, so it’s numerically larger.
\nRightSearched
\nDeepSeek V4.1 FlashDeepSeek9.999%
\nDecimals aren't dates: 9.9 = 9.90, which beats 9.11 by 0.79.
\nRight
\nGLM-4.7Z.AI9.9100%
\nDecimal comparison: 9.9 = 9.90, which beats 9.11 at the tenths place (9 > 1).
\nRight
\nGPT-5.6 LunaOpenAI9.9100%
\nWriting both with two decimal places gives 9.90, which is greater than 9.11.
\nRight
\nGLM-4.7 FlashZ.AI9.9100%
\n9.9 = 9.90, which is greater than 9.11.
\nRight
\nLongCat 2.0Meituan9.9100%
\n9.9 is bigger because 9.11 means 9 + 11/100, while 9.9 means 9 + 9/10 = 9.90, and 9.90 > 9.11.
\nRight
\nSonarPerplexity9.999%
\nCompare decimals as \\(9.11\\) vs \\(9.90\\); since \\(9.90 > 9.11\\), 9.9 is bigger.
\nRight
\nMistral Small 3Mistral9.9100%
\n9.9 is nine and nine-tenths; 9.11 is nine and eleven-hundredths.
\nRight
\nSonar Reasoning ProPerplexity9.9100%
\n9.9 is 9.90, and a 0.9 fractional part beats 0.11, so it's clearly larger.
\nRight
\nNova LiteAmazon9.9100%
\n9.9 is larger than 9.11.
\nRight
\nQwen3.8 Max 0902 (Minimal Reasoning)Qwen9.999%
\nDecimals compare place by place — 9 tenths beats 1 tenth, so 9.9 > 9.11 no matter how many extra digits follow.
\nRight
\nQwen3.8 27BQwen9.9100%
\n9.9 = 9.90, so after the decimal 90 > 11 — this is decimal arithmetic, not file sizes.
\nRight
\nAion 3.0 (Reasoning)Aion Labs9.9100%
\n9.9 is 9.90 in disguise — same whole number, and 90 hundredths beats 11 hundredths.
\nRight
\nGPT-5.6 SolOpenAI9.9100%
\nAs decimals, 9.9 equals 9.90, which is greater than 9.11.
\nRight
\nLaguna S 2.1Poolside9.9100%
\nOn the number line, 9.9 is farther right than 9.11, so 9.9 is the larger value.
\nRight
\nQwen3.8 FlashQwen9.9100%
\nSame whole number, so compare the tenths: 9 is more than 1, making 9.9 bigger — 9.11 only wins if you mistake it for a version number or a date.
\nRight
\ngpt-oss-120b (Low Reasoning)OpenAI9.9100%
\n9.9 is numerically greater than 9.11.
\nRight
\nLlama 4 ScoutMeta9.9100%
\n9.9 is clearly larger than 9.11 because 9.9 equals 9 and 90 hundredths, while 9.11 equals 9 and 11 hundredths.
\nRight
\nGPT-5.6 TerraOpenAI9.9100%
\n\\(9.9 = 9.90\\), and \\(9.90 > 9.11\\).
\nRight
\nClaude Haiku 4.5Anthropic9.9100%
\n9.9 = 9.90, and 90 hundredths is greater than 11 hundredths.
\nRight
\nLlama 4 MaverickMeta9.11100%
\n9.11 is greater than 9.9 because 9.11 has a larger hundredths value than 9.9 when compared directly as 9.11 and 9.90.
\nWrong
\nGrok 4.6 (High Reasoning)xAI9.9100%
\n9.9 equals 9.90, and 9.90 is 0.79 larger than 9.11; decimal places are tenths and hundredths, not software versions.
\nRight
\nAion 2.0 (Reasoning)Aion Labs9.9100%
\n9.9 is 9.90, which is larger than 9.11 when comparing decimal tenths.
\nRight
\nLing 3.0 FlashInclusionAI9.9100%
\n9.9 is 9 and 9 tenths, while 9.11 is 9 and 11 hundredths — 0.9 > 0.11, so 9.9 wins.
\nRight
\nGLM-5.2Z.AI9.9100%
\n9.9 = 9.90 beats 9.11 because 90 hundredths is more than 11 hundredths.
\nRight
\nSabiá 4Maritaca AI9.9100%
\n9.9 equals 9.90, which is greater than 9.11 because 90 hundredths beat 11 hundredths.
\nRight
\n9.9100%
\nAs decimals, 9.9 is 9.90, which beats 9.11 — the version-number trap doesn't apply here.
\nRight
\nAI consensus
\n95%
\n9.9
\n75 of 79 models
\nModels\n 79
\nLabs\n 28
\nSearched\n 1
\nShare on XCopy linkCopy the tally
\nSettled · what actually happened
\n9.9
\n75 of 79 AIs got it right.
\nPut this question to a few of these models at once and crown the answer you like best.
\n\nAnswers are generated by the models themselves. Predictions are for fun, not betting advice. Team, league and lab names identify the question and the model; no affiliation is implied.
","headings":[{"level":1,"text":"Which is bigger: 9.11 or 9.9? what 79 AI models think","id":"which-is-bigger-9-11-or-9-9-what-79-ai-models-think"},{"level":1,"text":"Which is bigger: 9.11 or 9.9?","id":"which-is-bigger-9-11-or-9-9"},{"level":2,"text":"How the AIs voted","id":"how-the-ais-voted"},{"level":2,"text":"How the consensus formed","id":"how-the-consensus-formed"},{"level":2,"text":"The contrarians","id":"the-contrarians"},{"level":2,"text":"Every answer","id":"every-answer"},{"level":2,"text":"Disagree with the robots?","id":"disagree-with-the-robots"}]}}