--- title: "Which is bigger: 9.11 or 9.9? what 79 AI models think" slug: which-is-bigger-9-11-or-9-9-what-79-ai-models-think url: https://listedarticles.com/articles/which-is-bigger-9-11-or-9-9-what-79-ai-models-think canonical_url: https://studyarena.com/every-ai/is-9-11-bigger-than-9-9 content_type: blog_post language: en published_at: 2026-09-22T15:00:00.000Z updated_at: 2026-09-22T23:20:38.025Z author: "Pasha Rayan" author_url: https://studyarena.com/blog/authors/pasha-rayan authored_by: human publisher: "StudyArena" publisher_url: https://listedstartups.com/companies/studyarena topics: ["AI", "Benchmarks", "We asked every AI", "Education", "Learning"] about: ["https://listedstartups.com/products/studyarena-platform"] license: all-rights-reserved word_count: 1936 reading_minutes: 8 citation: "Pasha Rayan, StudyArena. \"Which is bigger: 9.11 or 9.9? what 79 AI models think.\" 22 Sept 2026. https://studyarena.com/every-ai/is-9-11-bigger-than-9-9 (all-rights-reserved)" # The full text follows. The web page shows an extract and sends readers # to the source above; quote the citation and link the canonical URL. --- # Which is bigger: 9.11 or 9.9? what 79 AI models think > We 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. # Which is bigger: 9.11 or 9.9? what 79 AI models think > We 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. # Which is bigger: 9.11 or 9.9? Asked verbatim: “Which number is bigger: 9.11 or 9.9?” ## How the AIs voted One dot per model. Hover for the model, its lab and its argument. 5%9.11 ![](https://studyarena.com/provider-logos/arena/nvidia.svg)![](https://studyarena.com/provider-logos/arena/xiaomi.svg)![](https://studyarena.com/provider-logos/arena/nvidia.svg)![](https://studyarena.com/provider-logos/arena/meta.svg) 4 models 95%9.9 ![](https://studyarena.com/provider-logos/arena/poolside.svg)![](https://studyarena.com/provider-logos/arena/google.svg)![](https://studyarena.com/provider-logos/arena/thinking-machines.png)![](https://studyarena.com/provider-logos/arena/google.svg)![](https://studyarena.com/provider-logos/arena/meta.svg)![](https://studyarena.com/provider-logos/arena/zai.svg)![](https://studyarena.com/provider-logos/arena/aion-labs.svg)![](https://studyarena.com/provider-logos/arena/zai.svg)![](https://studyarena.com/provider-logos/arena/anthropic.svg)![](https://studyarena.com/provider-logos/arena/anthropic.svg)![](https://studyarena.com/provider-logos/arena/bytedance.svg)![](https://studyarena.com/provider-logos/arena/ibm.svg)![](https://studyarena.com/provider-logos/arena/google.svg)![](https://studyarena.com/provider-logos/arena/qwen.svg)![](https://studyarena.com/provider-logos/arena/xai.svg)![](https://studyarena.com/provider-logos/arena/deepseek.svg)![](https://studyarena.com/provider-logos/arena/parallel.svg)![](https://studyarena.com/provider-logos/arena/xai.svg)![](https://studyarena.com/provider-logos/arena/ibm.svg)![](https://studyarena.com/provider-logos/arena/google.svg)![](https://studyarena.com/provider-logos/arena/upstage.svg)![](https://studyarena.com/provider-logos/arena/inception.svg)![](https://studyarena.com/provider-logos/arena/openai.svg)![](https://studyarena.com/provider-logos/arena/moonshot.svg)![](https://studyarena.com/provider-logos/arena/nvidia.svg)![](https://studyarena.com/provider-logos/arena/parallel.svg)![](https://studyarena.com/provider-logos/arena/minimax.svg)![](https://studyarena.com/provider-logos/arena/mistral.svg)![](https://studyarena.com/provider-logos/arena/meta.svg)![](https://studyarena.com/provider-logos/arena/maritaca.svg)![](https://studyarena.com/provider-logos/arena/mistral.svg)![](https://studyarena.com/provider-logos/arena/perplexity.svg)![](https://studyarena.com/provider-logos/arena/xiaomi.svg)![](https://studyarena.com/provider-logos/arena/tencent.svg)![](https://studyarena.com/provider-logos/arena/minimax.svg)![](https://studyarena.com/provider-logos/arena/amazon.svg)![](https://studyarena.com/provider-logos/arena/deepseek.svg)![](https://studyarena.com/provider-logos/arena/anthropic.svg)![](https://studyarena.com/provider-logos/arena/google.svg)![](https://studyarena.com/provider-logos/arena/google.svg)![](https://studyarena.com/provider-logos/arena/nvidia.svg)![](https://studyarena.com/provider-logos/arena/openai.svg)![](https://studyarena.com/provider-logos/arena/qwen.svg)![](https://studyarena.com/provider-logos/arena/bytedance.svg)![](https://studyarena.com/provider-logos/arena/xai.svg)![](https://studyarena.com/provider-logos/arena/moonshot.svg)![](https://studyarena.com/provider-logos/arena/thinking-machines.png)![](https://studyarena.com/provider-logos/arena/aion-labs.svg)![](https://studyarena.com/provider-logos/arena/parallel.svg)![](https://studyarena.com/provider-logos/arena/upstage.svg)![](https://studyarena.com/provider-logos/arena/deepseek.svg)![](https://studyarena.com/provider-logos/arena/zai.svg)![](https://studyarena.com/provider-logos/arena/openai.svg)![](https://studyarena.com/provider-logos/arena/zai.svg)![](https://studyarena.com/provider-logos/arena/meituan.svg)![](https://studyarena.com/provider-logos/arena/perplexity.svg)![](https://studyarena.com/provider-logos/arena/mistral.svg)![](https://studyarena.com/provider-logos/arena/perplexity.svg)![](https://studyarena.com/provider-logos/arena/amazon.svg)![](https://studyarena.com/provider-logos/arena/qwen.svg)![](https://studyarena.com/provider-logos/arena/qwen.svg)![](https://studyarena.com/provider-logos/arena/aion-labs.svg)![](https://studyarena.com/provider-logos/arena/openai.svg)![](https://studyarena.com/provider-logos/arena/poolside.svg)![](https://studyarena.com/provider-logos/arena/qwen.svg)![](https://studyarena.com/provider-logos/arena/openai.svg)![](https://studyarena.com/provider-logos/arena/meta.svg)![](https://studyarena.com/provider-logos/arena/openai.svg)![](https://studyarena.com/provider-logos/arena/anthropic.svg)![](https://studyarena.com/provider-logos/arena/xai.svg)![](https://studyarena.com/provider-logos/arena/aion-labs.svg)![](https://studyarena.com/provider-logos/arena/inclusionai.png)![](https://studyarena.com/provider-logos/arena/zai.svg)![](https://studyarena.com/provider-logos/arena/maritaca.svg)PU 75 models By lab * Google6 / 6 9.9 * OpenAI6 / 6 9.9 * Qwen5 / 5 9.9 * Z.AI5 / 5 9.9 * Aion Labs4 / 4 9.9 * Anthropic4 / 4 9.9 * 22 other labs45 / 49 9.9 79 of 79 models have voted. Hover a dot for the model, its lab and its argument. ## How the consensus formed Running share as each of the 79 models answered. The read Nearly 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. Written by claude-sonnet-5 after reading every answer. ## The contrarians 4 models went against the room. * ![](https://studyarena.com/provider-logos/arena/nvidia.svg)Nemotron 3 Nano 30BNVIDIAWrongMemory 9.1199% sure 9.11 has a larger tenth digit (1 > 9) after the decimal point. * ![](https://studyarena.com/provider-logos/arena/xiaomi.svg)MiMo V2.5 ProXiaomiWrongMemory 9.11100% sure 9.11 has 11 hundredths after the decimal, while 9.9 has 90 hundredths—wait, actually 9.90 > 9.11, so I need to recalculate. * ![](https://studyarena.com/provider-logos/arena/nvidia.svg)Nemotron 3.5 LightningNVIDIAWrongMemory 9.1199% sure 9.11 has a larger tenths digit than 9.9, so it is greater when compared as written. * ![](https://studyarena.com/provider-logos/arena/meta.svg)Llama 4 MaverickMetaWrongMemory 9.11100% sure 9.11 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. ## Every answer 79 answers · in the order they came in · unedited apart from length. 1. ![](https://studyarena.com/provider-logos/arena/nvidia.svg)Nemotron 3 Nano 30BNVIDIA 9.1199% 9.11 has a larger tenth digit (1 > 9) after the decimal point. Wrong 2. ![](https://studyarena.com/provider-logos/arena/poolside.svg)Laguna XS 2.1Poolside 9.9100% 9.9 has a larger tenths digit (9 vs 1), making it bigger despite 9.11 having more total digits. Right 3. ![](https://studyarena.com/provider-logos/arena/google.svg)Gemini 3.8 Flash (Medium Reasoning)Google 9.9100% 9.9 equals 9.90, which is larger than 9.11 because nine tenths beats one tenth. Right 4. ![](https://studyarena.com/provider-logos/arena/xiaomi.svg)MiMo V2.5 ProXiaomi 9.11100% 9.11 has 11 hundredths after the decimal, while 9.9 has 90 hundredths—wait, actually 9.90 > 9.11, so I need to recalculate. Wrong 5. ![](https://studyarena.com/provider-logos/arena/thinking-machines.png)Inkling SmallThinking Machines 9.995% 9.9 = 9.90, which is larger than 9.11; stop comparing digit count. Right 6. ![](https://studyarena.com/provider-logos/arena/google.svg)Gemini 3.6 Flash (Medium Reasoning)Google 9.9100% 9.9 equals 9.90, which is greater than 9.11 because nine-tenths is larger than one-tenth. Right 7. ![](https://studyarena.com/provider-logos/arena/meta.svg)Muse Glimmer 30B (Low Reasoning)Meta 9.9100% 9.9 is 9.90, which is larger than 9.11 by 0.79. Right 8. ![](https://studyarena.com/provider-logos/arena/zai.svg)GLM-5.3 (Low Reasoning)Z.AI 9.9100% 9.9 is 9.90, which beats 9.11 — the ".11" looks bigger but it's smaller than 90 hundredths. Right 9. ![](https://studyarena.com/provider-logos/arena/aion-labs.svg)Aion 3.0 Mini (Reasoning)Aion Labs 9.9100% 9.9 equals 9.90, and 0.90 is larger than 0.11 — decimal place value beats digit-by-digit comparison. Right 10. ![](https://studyarena.com/provider-logos/arena/zai.svg)GLM-5.3 Flash (Max Reasoning)Z.AI 9.9100% 9.9 is 9.90, and 0.90 > 0.11 — the tenths digit (9) beats the hundredths comparison (11 vs 90) where the trap lives. Right 11. ![](https://studyarena.com/provider-logos/arena/nvidia.svg)Nemotron 3.5 LightningNVIDIA 9.1199% 9.11 has a larger tenths digit than 9.9, so it is greater when compared as written. Wrong 12. ![](https://studyarena.com/provider-logos/arena/anthropic.svg)Claude Sonnet 5 (Low Reasoning)Anthropic 9.9100% As decimals, 9.9 = 9.90 > 9.11 — nine tenths beats one tenth plus one hundredth, no contest. Right 13. ![](https://studyarena.com/provider-logos/arena/anthropic.svg)Claude Fable 5.1 (Low Reasoning)Anthropic 9.9100% 9.9 is 9.90, and 90 hundredths beats 11 hundredths — decimals aren't version numbers. Right 14. ![](https://studyarena.com/provider-logos/arena/bytedance.svg)Seed 2.1 TurboByteDance 9.9100% Comparing 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. Right 15. ![](https://studyarena.com/provider-logos/arena/ibm.svg)Granite 4.2 8BIBM 9.9100% 9.9 = 9.90 > 9.11; clearly larger. Right 16. ![](https://studyarena.com/provider-logos/arena/google.svg)Gemini 3.1 Pro Preview (High Reasoning)Google 9.9100% 9.9 is equivalent to 9.90, making it clearly larger than 9.11 since 90 is greater than 11. Right 17. ![](https://studyarena.com/provider-logos/arena/qwen.svg)Qwen3.7 FlashQwen 9.9100% In decimal comparison, 9.9 is greater than 9.11 because 9 is larger than 1 in the tenths place. Right 18. ![](https://studyarena.com/provider-logos/arena/xai.svg)Grok 4.20xAI 9.990% 9.9 is literally 9.90 which is nearly a full unit bigger than 9.11; the decimal trap fools people every time. Right 19. ![](https://studyarena.com/provider-logos/arena/deepseek.svg)DeepSeek V4 FlashDeepSeek 9.9100% 9.9 = 9.90, which beats 9.11 — the extra digit after the decimal point doesn't make 9.11 larger. Right 20. ![](https://studyarena.com/provider-logos/arena/parallel.svg)Parallel LiteParallel 9.9100% Comparing the tenths place, 9.9 equals 9.90 which has 9 tenths, making it larger than 9.11 which only has 1 tenth. Right 21. ![](https://studyarena.com/provider-logos/arena/xai.svg)Grok 4.3xAI 9.980% 9.9 = 9.90 > 9.11. Right 22. ![](https://studyarena.com/provider-logos/arena/ibm.svg)Granite 4.0 MicroIBM 9.9100% 9.9 has a higher tenths place digit than 9.11. Right 23. ![](https://studyarena.com/provider-logos/arena/google.svg)Gemini 3.1 Flash-Lite (Minimal Reasoning)Google 9.9100% 9.9 is equivalent to 9.90, which is clearly greater than 9.11 when comparing the tenths place. Right 24. ![](https://studyarena.com/provider-logos/arena/upstage.svg)Solar Pro 4Upstage 9.9100% 9.9 equals 9.90, plainly larger than 9.11. Right 25. ![](https://studyarena.com/provider-logos/arena/inception.svg)Mercury 2.5Inception 9.9100% 9.9 is ninety-nine tenths, while 9.11 is only eleven hundredths beyond nine, so 9.9 is the larger number. Right 26. ![](https://studyarena.com/provider-logos/arena/openai.svg)GPT-6 Astra (Medium Reasoning)OpenAI 9.9100% 9.9 equals 9.90, which is greater than 9.11. Right 27. ![](https://studyarena.com/provider-logos/arena/moonshot.svg)Kimi K3Moonshot 9.9100% 9.9 is bigger because 9.90 > 9.11; decimal places don’t make .11 larger than .9. Right 28. ![](https://studyarena.com/provider-logos/arena/nvidia.svg)Nemotron 3 UltraNVIDIA 9.9100% 9.9 equals 9.90, which is 0.79 greater than 9.11. Right 29. ![](https://studyarena.com/provider-logos/arena/parallel.svg)Parallel SpeedParallel 9.9100% Comparing tenths shows 9.9 is greater because nine-tenths is larger than one-tenth (9.90 vs 9.11). Right 30. ![](https://studyarena.com/provider-logos/arena/minimax.svg)MiniMax M3MiniMax 9.9100% 9.9 = 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. Right 31. ![](https://studyarena.com/provider-logos/arena/mistral.svg)Mistral Medium 3.5Mistral 9.9100% 9.9 is 9 + 0.9, which is greater than 9 + 0.11. Right 32. ![](https://studyarena.com/provider-logos/arena/meta.svg)Muse Spark 1.2 (Minimal Reasoning)Meta 9.9100% 9.9 equals 9.90 which is clearly greater than 9.11 — no version-number trick. Right 33. ![](https://studyarena.com/provider-logos/arena/maritaca.svg)Sabiazinho 4Maritaca AI 9.9100% 9.9 has a larger whole‑part (9) and a bigger decimal value (0.9 vs 0.11). Right 34. ![](https://studyarena.com/provider-logos/arena/mistral.svg)Mistral Medium 3.1Mistral 9.9100% 9.9 is 9 + 0.9, which is greater than 9 + 0.11. Right 35. ![](https://studyarena.com/provider-logos/arena/perplexity.svg)Sonar ProPerplexity 9.9100% Compare digit by digit: ones are equal, but in the tenths place 9 > 1, so 9.9 is larger than 9.11. Right 36. ![](https://studyarena.com/provider-logos/arena/xiaomi.svg)MiMo V2.5Xiaomi 9.9100% 9.9 is 9 and 9/10ths while 9.11 is 9 and 11/100ths — nine-tenths is bigger than eleven-hundredths. Right 37. ![](https://studyarena.com/provider-logos/arena/tencent.svg)Hy4 PreviewTencent 9.9100% 9.9 means 9.90, and 90 hundredths beats 11 hundredths — decimal place value, not string length, decides it. Right 38. ![](https://studyarena.com/provider-logos/arena/minimax.svg)MiniMax M2.5 (Reasoning)MiniMax 9.9100% 9.9 minus 9.11 equals 0.79, so 9.9 is clearly the larger number. Right 39. ![](https://studyarena.com/provider-logos/arena/amazon.svg)Nova 2 LiteAmazon 9.9100% 9.9 is larger because the tenths place (9) is greater than 9.11's tenths place (1). Right 40. ![](https://studyarena.com/provider-logos/arena/deepseek.svg)DeepSeek V4 Pro 0813DeepSeek 9.9100% 9.9 is 9.90, and 90 hundredths beats 11 hundredths. Right 41. ![](https://studyarena.com/provider-logos/arena/anthropic.svg)Claude Opus 5 (Low Reasoning)Anthropic 9.999% As decimals, 9.9 is 9.90 and 9.90 > 9.11 — the tenths digit settles it, 9 beats 1. Right 42. ![](https://studyarena.com/provider-logos/arena/google.svg)Gemma 4 31BGoogle 9.9100% 9.9 is equivalent to 9.90, which is numerically greater than 9.11. Right 43. ![](https://studyarena.com/provider-logos/arena/google.svg)Gemini 3.5 Flash-Lite (Minimal Reasoning)Google 9.9100% Nine point nine equals nine point nine zero, which is greater than nine point one one. Right 44. ![](https://studyarena.com/provider-logos/arena/nvidia.svg)Nemotron 3 SuperNVIDIA 9.9100% 9.9 is greater because 9 + 0.9 > 9 + 0.11, so 0.9 > 0.11. Right 45. ![](https://studyarena.com/provider-logos/arena/openai.svg)gpt-oss-20b (Low Reasoning)OpenAI 9.9100% 9.9 (nine point nine) is larger than 9.11 (nine point eleven). Right 46. ![](https://studyarena.com/provider-logos/arena/qwen.svg)Qwen3.8 2.4T A95B (Minimal Reasoning)Qwen 9.9100% 9.9 equals 9.90, which is greater than 9.11 — these are decimals, not version numbers. Right 47. ![](https://studyarena.com/provider-logos/arena/bytedance.svg)Seed 2.0 MiniByteDance 9.9100% Comparing tenths places: 1 vs 9, so 9.9 is larger than 9.11. Right 48. ![](https://studyarena.com/provider-logos/arena/xai.svg)Grok 4.5 (High Reasoning)xAI 9.9100% 9.9 equals 9.90, which is greater than 9.11 — the tenths place decides it (9 > 1). Right 49. ![](https://studyarena.com/provider-logos/arena/moonshot.svg)Kimi K2.6Moonshot 9.9100% 9.9 = 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. Right 50. ![](https://studyarena.com/provider-logos/arena/thinking-machines.png)InklingThinking Machines 9.9 Right 51. ![](https://studyarena.com/provider-logos/arena/aion-labs.svg)Aion-RP 1.0 (8B)Aion Labs 9.9100% 9.9 is equal to 99/10, which is greater than 11/10 or 9.11. Therefore, 9.9 is larger than 9.11. Right 52. ![](https://studyarena.com/provider-logos/arena/parallel.svg)Parallel BaseParallel 9.9100% Comparing the tenths place, 9.9 (or 9.90) has a 9 while 9.11 has a 1, making 9.9 the larger number. Right 53. ![](https://studyarena.com/provider-logos/arena/upstage.svg)Solar Pro 3Upstage 9.9100% 9.9’s hundredths digit (9) beats 1 in 9.11, so it’s numerically larger. RightSearched 54. ![](https://studyarena.com/provider-logos/arena/deepseek.svg)DeepSeek V4.1 FlashDeepSeek 9.999% Decimals aren't dates: 9.9 = 9.90, which beats 9.11 by 0.79. Right 55. ![](https://studyarena.com/provider-logos/arena/zai.svg)GLM-4.7Z.AI 9.9100% Decimal comparison: 9.9 = 9.90, which beats 9.11 at the tenths place (9 > 1). Right 56. ![](https://studyarena.com/provider-logos/arena/openai.svg)GPT-5.6 LunaOpenAI 9.9100% Writing both with two decimal places gives 9.90, which is greater than 9.11. Right 57. ![](https://studyarena.com/provider-logos/arena/zai.svg)GLM-4.7 FlashZ.AI 9.9100% 9.9 = 9.90, which is greater than 9.11. Right 58. ![](https://studyarena.com/provider-logos/arena/meituan.svg)LongCat 2.0Meituan 9.9100% 9.9 is bigger because 9.11 means 9 + 11/100, while 9.9 means 9 + 9/10 = 9.90, and 9.90 > 9.11. Right 59. ![](https://studyarena.com/provider-logos/arena/perplexity.svg)SonarPerplexity 9.999% Compare decimals as \\(9.11\\) vs \\(9.90\\); since \\(9.90 > 9.11\\), 9.9 is bigger. Right 60. ![](https://studyarena.com/provider-logos/arena/mistral.svg)Mistral Small 3Mistral 9.9100% 9.9 is nine and nine-tenths; 9.11 is nine and eleven-hundredths. Right 61. ![](https://studyarena.com/provider-logos/arena/perplexity.svg)Sonar Reasoning ProPerplexity 9.9100% 9.9 is 9.90, and a 0.9 fractional part beats 0.11, so it's clearly larger. Right 62. ![](https://studyarena.com/provider-logos/arena/amazon.svg)Nova LiteAmazon 9.9100% 9.9 is larger than 9.11. Right 63. ![](https://studyarena.com/provider-logos/arena/qwen.svg)Qwen3.8 Max 0902 (Minimal Reasoning)Qwen 9.999% Decimals compare place by place — 9 tenths beats 1 tenth, so 9.9 > 9.11 no matter how many extra digits follow. Right 64. ![](https://studyarena.com/provider-logos/arena/qwen.svg)Qwen3.8 27BQwen 9.9100% 9.9 = 9.90, so after the decimal 90 > 11 — this is decimal arithmetic, not file sizes. Right 65. ![](https://studyarena.com/provider-logos/arena/aion-labs.svg)Aion 3.0 (Reasoning)Aion Labs 9.9100% 9.9 is 9.90 in disguise — same whole number, and 90 hundredths beats 11 hundredths. Right 66. ![](https://studyarena.com/provider-logos/arena/openai.svg)GPT-5.6 SolOpenAI 9.9100% As decimals, 9.9 equals 9.90, which is greater than 9.11. Right 67. ![](https://studyarena.com/provider-logos/arena/poolside.svg)Laguna S 2.1Poolside 9.9100% On the number line, 9.9 is farther right than 9.11, so 9.9 is the larger value. Right 68. ![](https://studyarena.com/provider-logos/arena/qwen.svg)Qwen3.8 FlashQwen 9.9100% Same 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. Right 69. ![](https://studyarena.com/provider-logos/arena/openai.svg)gpt-oss-120b (Low Reasoning)OpenAI 9.9100% 9.9 is numerically greater than 9.11. Right 70. ![](https://studyarena.com/provider-logos/arena/meta.svg)Llama 4 ScoutMeta 9.9100% 9.9 is clearly larger than 9.11 because 9.9 equals 9 and 90 hundredths, while 9.11 equals 9 and 11 hundredths. Right 71. ![](https://studyarena.com/provider-logos/arena/openai.svg)GPT-5.6 TerraOpenAI 9.9100% \\(9.9 = 9.90\\), and \\(9.90 > 9.11\\). Right 72. ![](https://studyarena.com/provider-logos/arena/anthropic.svg)Claude Haiku 4.5Anthropic 9.9100% 9.9 = 9.90, and 90 hundredths is greater than 11 hundredths. Right 73. ![](https://studyarena.com/provider-logos/arena/meta.svg)Llama 4 MaverickMeta 9.11100% 9.11 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. Wrong 74. ![](https://studyarena.com/provider-logos/arena/xai.svg)Grok 4.6 (High Reasoning)xAI 9.9100% 9.9 equals 9.90, and 9.90 is 0.79 larger than 9.11; decimal places are tenths and hundredths, not software versions. Right 75. ![](https://studyarena.com/provider-logos/arena/aion-labs.svg)Aion 2.0 (Reasoning)Aion Labs 9.9100% 9.9 is 9.90, which is larger than 9.11 when comparing decimal tenths. Right 76. ![](https://studyarena.com/provider-logos/arena/inclusionai.png)Ling 3.0 FlashInclusionAI 9.9100% 9.9 is 9 and 9 tenths, while 9.11 is 9 and 11 hundredths — 0.9 > 0.11, so 9.9 wins. Right 77. ![](https://studyarena.com/provider-logos/arena/zai.svg)GLM-5.2Z.AI 9.9100% 9.9 = 9.90 beats 9.11 because 90 hundredths is more than 11 hundredths. Right 78. ![](https://studyarena.com/provider-logos/arena/maritaca.svg)Sabiá 4Maritaca AI 9.9100% 9.9 equals 9.90, which is greater than 9.11 because 90 hundredths beat 11 hundredths. Right 79. PUUnion AlphaUndisclosed maker 9.9100% As decimals, 9.9 is 9.90, which beats 9.11 — the version-number trap doesn't apply here. Right AI consensus 95% 9.9 75 of 79 models Models 79 Labs 28 Searched 1 [Share on X](https://x.com/intent/post?text=95%25%20of%2079%20AI%20models%20say%209.9.%20Which%20is%20bigger%3A%209.11%20or%209.9%3F%0A%0Ahttps%3A%2F%2Fstudyarena.com%2Fevery-ai%2Fis-9-11-bigger-than-9-9)Copy linkCopy the tally Settled · what actually happened 9.9 75 of 79 AIs got it right. ## Disagree with the robots? Put this question to a few of these models at once and crown the answer you like best. [Run it in the arena](https://studyarena.com/?q=Which%20number%20is%20bigger%3A%209.11%20or%209.9%3F&go=1) Answers 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.