Type ranking
Best Proprietary LLMs in October 2026
As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of Claude Fable 5.1 at 69.0.
Last verified
Models available only through an API or app.
- GPT-6 Astra 70.8
- Claude Fable 5.1 69.0
- Claude Opus 5.5 68.6
- Claude Opus 5 67.8
- Claude Fable 5 66.8
- GPT-6.1 Sol 65.6
- GPT-5.6 Sol 65.0
- GPT-5.5 Pro 64.3
- GPT-5.5 63.4
- Claude Sonnet 5.5 61.9
Full ranking
138 models
| 1 | OpenAI GPT-6 Astra | OpenAI | Proprietary | 1.05M | 70.8 | $10 | $50 | 3.54 | — |
| 2 | Anthropic Claude Fable 5.1 | Anthropic | Proprietary | 1M | 69.0 | $10 | $50 | 3.45 | — |
| 3 | Anthropic Claude Opus 5.5 | Anthropic | Proprietary | 1M | 68.6 | $4 | $20 | 8.57 | — |
| 4 | Anthropic Claude Opus 5 | Anthropic | Proprietary | 1M | 67.8 | $5 | $25 | 6.78 | — |
| 5 | Anthropic Claude Fable 5 | Anthropic | Proprietary | 1M | 66.8 | $10 | $50 | 3.34 | 25 |
| 6 | OpenAI GPT-6.1 Sol | OpenAI | Proprietary | 1.05M | 65.6 | $2 | $10 | 16.4 | — |
| 7 | OpenAI GPT-5.6 Sol | OpenAI | Proprietary | 1.05M | 65.0 | $4 | $20 | 8.12 | 10 |
| 8 | OpenAI GPT-5.5 Pro | OpenAI | Proprietary | 1.05M | 64.3 | $30 | $180 | 0.95 | — |
| 9 | OpenAI GPT-5.5 | OpenAI | Proprietary | 1.05M | 63.4 | $5 | $30 | 5.63 | 25 |
| 10 | Anthropic Claude Sonnet 5.5 | Anthropic | Proprietary | 1M | 61.9 | $2 | $10 | 15.5 | — |
| 11 |  Google Gemini 3.8 Flash | Proprietary | 1.05M | 61.8 | $0.75 | $3.75 | 41.2 | — | |
| 12 | OpenAI GPT-6 Sol | OpenAI | Proprietary | 1.05M | 61.8 | $2 | $10 | 15.4 | — |
| 13 | Anthropic Claude Opus 4.8 | Anthropic | Proprietary | 1M | 60.7 | $5 | $25 | 6.07 | 34 |
| 14 | Google Gemini 3.7 Flash | Proprietary | 1.05M | 59.8 | $0.75 | $3.75 | 39.9 | — | |
| 15 | OpenAI GPT-5.4 | OpenAI | Proprietary | 1.05M | 59.4 | $2.50 | $15 | 10.6 | 12 |
| 16 | OpenAI GPT-5.6 Terra | OpenAI | Proprietary | 1.05M | 59.2 | $2 | $12 | 13.1 | 11 |
| 17 | OpenAI GPT-5.4 Pro | OpenAI | Proprietary | 1.05M | 58.9 | $30 | $180 | 0.87 | — |
| 18 | Anthropic Claude Opus 4.7 | Anthropic | Proprietary | 1M | 58.3 | $5 | $25 | 5.83 | 33 |
| 19 | Anthropic Claude Opus 4.6 | Anthropic | Proprietary | 1M | 58.2 | $5 | $25 | 5.82 | 19 |
| 20 | xAI Grok 4.6 | xAI | Proprietary | 500K | 56.9 | $2 | $6 | 19 | — |
| 21 |  Alibaba (Qwen) Qwen3.8 Max | Alibaba (Qwen) | Proprietary | 1M | 56.8 | $2 | $6 | 18.9 | — |
| 22 | Google Gemini 3.1 Pro Preview | Proprietary | 1.05M | 56.7 | $2 | $12 | 12.6 | — | |
| 23 | xAI Grok 4.5 | xAI | Proprietary | 500K | 55.0 | $2 | $6 | 18.3 | 4 |
| 24 |  Meta Muse Spark 1.3 | Meta | Proprietary | 1.05M | 54.8 | $1.25 | $4.25 | 27.4 | — |
| 25 | Google Gemini 3 Pro | Proprietary | — | 54.8 | — | — | — | 1 | |
| 26 | Anthropic Claude Sonnet 5 | Anthropic | Proprietary | 1M | 54.6 | $2 | $10 | 13.7 | — |
| 27 | OpenAI GPT-5.6 Luna | OpenAI | Proprietary | 1.05M | 54.6 | $0.20 | $1.20 | 121 | 12 |
| 28 | Google Gemini 3.5 Flash | Proprietary | 1.05M | 54.2 | $1.50 | $9 | 16.1 | — | |
| 29 | Google Gemini 3.6 Flash | Proprietary | 1.05M | 54.1 | $0.75 | $3.75 | 36.1 | — | |
| 30 | OpenAI GPT-5.2 | OpenAI | Proprietary | 400K | 54.1 | $1.75 | $14 | 11.2 | 15 |
| 31 | OpenAI GPT-6 Luna | OpenAI | Proprietary | 1.05M | 53.3 | $0.10 | $0.50 | 266 | — |
| 32 | xAI Grok 4.7 | xAI | Proprietary | 500K | 53.1 | $2 | $6 | 17.7 | — |
| 33 | OpenAI GPT-5.2 Pro | OpenAI | Proprietary | 400K | 52.3 | $21 | $168 | 0.91 | — |
| 34 | Google Gemini 3 Flash Preview | Proprietary | 1.05M | 52.3 | $0.50 | $3 | 46.5 | — | |
| 35 | Alibaba (Qwen) Qwen3.7 Max | Alibaba (Qwen) | Proprietary | 1M | 51.5 | $2.50 | $7.50 | 13.7 | — |
| 36 | Alibaba (Qwen) Qwen3.6 Max Preview | Alibaba (Qwen) | Proprietary | 262K | 51.5 | $1.30 | $7.80 | 17.6 | — |
| 37 | OpenAI GPT-5 | OpenAI | Proprietary | 400K | 50.9 | $1.25 | $10 | 14.8 | 2 |
| 38 | Meta Muse Spark | Meta | Proprietary | — | 50.6 | — | — | — | — |
| 39 | Anthropic Claude Opus 4.5 | Anthropic | Proprietary | 200K | 50.5 | $5 | $25 | 5.05 | 13 |
| 40 | Meta Muse Spark 1.2 | Meta | Proprietary | 1.05M | 50.3 | $1.25 | $4.25 | 25.2 | — |
| 41 | Anthropic Claude Sonnet 4.6 | Anthropic | Proprietary | 1M | 50.3 | $3 | $15 | 8.38 | — |
| 42 | Meta Muse Spark 1.1 | Meta | Proprietary | 1.05M | 49.9 | $1.25 | $4.25 | 25 | — |
| 43 | Anthropic Claude Haiku 5.5 | Anthropic | Proprietary | 1M | 49.5 | $0.10 | $0.50 | 247 | — |
| 44 | OpenAI GPT-5.1 | OpenAI | Proprietary | 400K | 49.0 | $1.25 | $10 | 14.3 | — |
| 45 | xAI Grok 4.20 (Non-Reasoning) | xAI | Proprietary | 1M | 48.6 | $1.25 | $2.50 | 31.1 | 61 |
| 46 | xAI Grok 4 | xAI | Proprietary | — | 48.1 | — | — | — | 1 |
| 47 |  StepFun Step 5 Preview | StepFun | Proprietary | 1.02M | 47.9 | $1 | $2.70 | 33.6 | — |
| 48 | OpenAI o3 | OpenAI | Proprietary | 200K | 47.5 | $2 | $8 | 13.6 | 3 |
| 49 | Alibaba (Qwen) Qwen3.6 Plus | Alibaba (Qwen) | Proprietary | 1M | 47.5 | $0.50 | $3 | 42.2 | — |
| 50 | OpenAI GPT-5 Pro | OpenAI | Proprietary | 400K | 46.4 | $15 | $120 | 1.12 | 5 |
| 51 | xAI Grok 4.20 Multi-Agent | xAI | Proprietary | 1M | 46.2 | $1.25 | $2.50 | 29.6 | — |
| 52 | OpenAI GPT-5.3 Codex | OpenAI | Proprietary | 400K | 45.8 | $1.75 | $14 | 9.52 | — |
| 53 | Alibaba (Qwen) Qwen3.7 Plus | Alibaba (Qwen) | Proprietary | 1M | 45.3 | $0.40 | $1.60 | 64.8 | — |
| 54 | Google Gemini 2.5 Pro | Proprietary | 1.05M | 45.0 | $1.25 | $10 | 13.1 | 5 | |
| 55 | OpenAI GPT-5.4 mini | OpenAI | Proprietary | 400K | 45.0 | $0.75 | $4.50 | 26.6 | 10 |
| 56 | Anthropic Claude Sonnet 4.5 | Anthropic | Proprietary | 200K | 44.1 | $3 | $15 | 7.35 | 85 |
| 57 | Z.ai (Zhipu) GLM-5V-Turbo | Z.ai (Zhipu) | Proprietary | 200K | 43.8 | $1.20 | $4 | 23 | — |
| 58 | xAI Grok 4.3 | xAI | Proprietary | 1M | 43.8 | $1.25 | $2.50 | 28 | — |
| 59 | Alibaba (Qwen) Qwen3 Max | Alibaba (Qwen) | Proprietary | 262K | 43.7 | $1.20 | $6 | 18.2 | 48 |
| 60 | Xiaomi MiMo-V2-Omni | Xiaomi | Proprietary | 262K | 43.6 | $0.14 | $0.28 | 249 | — |
| 61 |  ByteDance Seed Seed 2.0 Pro | ByteDance Seed | Proprietary | 256K | 43.2 | $0.50 | $3 | 38.4 | — |
| 62 |  Mistral AI Mistral Large 4 | Mistral AI | Proprietary | 1.05M | 43.1 | $0.68 | $2.09 | 41.7 | — |
| 63 | Anthropic Claude Opus 4 | Anthropic | Proprietary | 200K | 43.1 | $15 | $75 | 1.44 | 29 |
| 64 | Xiaomi MiMo-V2-Pro | Xiaomi | Proprietary | 1.05M | 43.0 | $0.43 | $0.87 | 79 | — |
| 65 | OpenAI o3-pro | OpenAI | Proprietary | 200K | 42.9 | $20 | $80 | 1.23 | 1 |
| 66 | Alibaba (Qwen) Qwen3.5 Plus | Alibaba (Qwen) | Proprietary | 1M | 42.9 | $0.40 | $2.40 | 47.6 | — |
| 67 | OpenAI GPT-5.3 Chat | OpenAI | Proprietary | 128K | 42.8 | $1.75 | $14 | 8.88 | — |
| 68 | OpenAI GPT-5.5 Instant | OpenAI | Proprietary | — | 42.7 | — | — | — | — |
| 69 | OpenAI GPT-5.2 Codex | OpenAI | Proprietary | 400K | 42.6 | $1.75 | $14 | 8.84 | — |
| 70 | Alibaba (Qwen) Qwen3.5-Flash | Alibaba (Qwen) | Proprietary | 1M | 42.5 | $0.10 | $0.40 | 243 | — |
| 71 |  DeepSeek DeepSeek-R1 | DeepSeek | Proprietary | 164K | 42.3 | $0.50 | $2.15 | 46.4 | 10 |
| 72 |  Upstage Solar Pro4 | Upstage | Proprietary | 524K | 42.1 | $0.30 | $1.20 | 80.2 | — |
| 73 | OpenAI GPT-5.4 nano | OpenAI | Proprietary | 400K | 41.9 | $0.20 | $1.25 | 90.6 | 19 |
| 74 | OpenAI GPT-5 Mini | OpenAI | Proprietary | 400K | 41.8 | $0.25 | $2 | 60.9 | 3 |
| 75 | OpenAI o4-mini | OpenAI | Proprietary | 200K | 41.6 | $1.10 | $4.40 | 21.6 | 6 |
| 76 | Google Gemini 3.5 Flash Lite | Proprietary | 1.05M | 41.5 | $0.30 | $2.50 | 48.8 | — | |
| 77 | xAI Grok 4.1 | xAI | Proprietary | — | 41.5 | — | — | — | — |
| 78 | xAI Grok 4.1 Fast | xAI | Proprietary | 128K | 41.4 | $0.20 | $0.50 | 150 | — |
| 79 | xAI Grok-3 mini | xAI | Proprietary | — | 41.2 | — | — | — | 10 |
| 80 | Anthropic Claude Opus 4.1 | Anthropic | Proprietary | 200K | 41.0 | $15 | $75 | 1.37 | — |
| 81 | OpenAI o1 | OpenAI | Proprietary | 200K | 40.9 | $15 | $60 | 1.56 | — |
| 82 | Google Gemini 3.1 Flash Lite | Proprietary | 1.05M | 40.8 | $0.25 | $1.50 | 72.5 | 10 | |
| 83 | Anthropic Claude Sonnet 4 | Anthropic | Proprietary | 200K | 40.8 | $3 | $15 | 6.79 | 31 |
| 84 | Alibaba (Qwen) Qwen2.5-Max | Alibaba (Qwen) | Proprietary | — | 40.7 | — | — | — | — |
| 85 | Alibaba (Qwen) Qwen3.7 Flash | Alibaba (Qwen) | Proprietary | 1M | 39.9 | $0.03 | $0.13 | 726 | — |
| 86 | xAI Grok 3 | xAI | Proprietary | — | 39.9 | — | — | — | 42 |
| 87 | Amazon Nova 2 Lite | Amazon | Proprietary | 1M | 39.7 | $0.30 | $2.50 | 46.7 | — |
| 88 | Anthropic Claude 3.7 Sonnet | Anthropic | Proprietary | — | 39.5 | — | — | — | — |
| 89 | Anthropic Claude Haiku 4.5 | Anthropic | Proprietary | 200K | 39.5 | $1 | $5 | 19.8 | — |
| 90 | xAI Grok 4 Fast | xAI | Proprietary | — | 39.4 | — | — | — | 577 |
| 91 | Google Gemini 2.5 Flash | Proprietary | 1.05M | 39.3 | $0.30 | $2.50 | 46.2 | 152 | |
| 92 | Google Gemini 2.0 Pro | Proprietary | — | 39.1 | — | — | — | — | |
| 93 | Inception Mercury 2 | Inception | Proprietary | 128K | 39.1 | $0.25 | $0.75 | 104 | — |
| 94 | Alibaba (Qwen) Qwen3.6 Flash | Alibaba (Qwen) | Proprietary | 1M | 38.8 | $0.19 | $1.13 | 91.9 | — |
| 95 | OpenAI GPT-5.1-Codex | OpenAI | Proprietary | 400K | 38.6 | $1.25 | $10 | 11.2 | — |
| 96 |  Perplexity Sonar | Perplexity | Proprietary | 128K | 38.5 | $1 | $1 | 38.5 | — |
| 97 | Amazon Nova Premier 1.0 | Amazon | Proprietary | 1M | 38.3 | $2.50 | $12.50 | 7.67 | 9 |
| 98 | OpenAI GPT-5-Codex | OpenAI | Proprietary | 400K | 37.9 | $1.25 | $10 | 11 | 95 |
| 99 | Google Gemini 2.0 Flash-Lite | Proprietary | — | 37.8 | — | — | — | — | |
| 100 | xAI Grok 2 Mini 2024 08 13 | xAI | Proprietary | — | 37.7 | — | — | — | — |
| 101 | OpenAI GPT-4.5 | OpenAI | Proprietary | — | 37.2 | — | — | — | — |
| 102 | 01.AI Yi-Lightning | 01.AI | Proprietary | — | 37.1 | — | — | — | — |
| 103 | Alibaba (Qwen) Qwen Plus | Alibaba (Qwen) | Proprietary | 1M | 37.1 | $0.40 | $1.20 | 61.8 | 37 |
| 104 | Google Gemini 2.5 Flash-Lite | Proprietary | 1.05M | 37.0 | $0.10 | $0.40 | 211 | 172 | |
| 105 | OpenAI o3-mini | OpenAI | Proprietary | 200K | 36.7 | $1.10 | $4.40 | 19.1 | — |
| 106 | xAI Grok Build 0.1 | xAI | Proprietary | 256K | 36.4 | $1 | $2 | 29.1 | — |
| 107 | OpenAI GPT-4.1 | OpenAI | Proprietary | 1.05M | 35.9 | $2 | $8 | 10.3 | 116 |
| 108 | Google Gemini 2.0 Flash (Feb 2025) | Proprietary | — | 35.1 | — | — | — | 92 | |
| 109 | Alibaba (Qwen) Qwen Max | Alibaba (Qwen) | Proprietary | 33K | 34.7 | $1.60 | $6.40 | 12.4 | — |
| 110 | Anthropic Claude 3.5 Sonnet | Anthropic | Proprietary | — | 34.6 | — | — | — | — |
| 111 | OpenAI o1-mini | OpenAI | Proprietary | — | 34.0 | — | — | — | — |
| 112 | xAI Grok-2 (Dec 2024) | xAI | Proprietary | — | 33.7 | — | — | — | — |
| 113 | OpenAI GPT-4.1 mini | OpenAI | Proprietary | 1.05M | 33.6 | $0.40 | $1.60 | 48.1 | 86 |
| 114 | OpenAI GPT-5 Nano | OpenAI | Proprietary | 400K | 33.5 | $0.05 | $0.40 | 244 | 4 |
| 115 | Inception Mercury 2.5 | Inception | Proprietary | 260K | 33.5 | $0.04 | $0.15 | 496 | — |
| 116 | Amazon Nova 2.0 Pro Preview | Amazon | Proprietary | — | 33.4 | — | — | — | — |
| 117 | Google Gemini 1.5 Flash (May 2024) | Proprietary | — | 33.2 | — | — | — | — | |
| 118 | Google Gemini 1.5 Pro (May 2024) | Proprietary | — | 32.1 | — | — | — | — | |
| 119 | Amazon Amazon Nova Lite | Amazon | Proprietary | 300K | 31.9 | $0.06 | $0.24 | 304 | — |
| 120 | OpenAI o1-pro | OpenAI | Proprietary | 200K | 31.5 | $150 | $600 | 0.12 | — |
| 121 | Amazon Amazon Nova Pro | Amazon | Proprietary | 300K | 31.0 | $0.80 | $3.20 | 22.1 | — |
| 122 | Mistral AI Codestral | Mistral AI | Proprietary | 256K | 30.6 | $0.30 | $0.90 | 68 | 271 |
| 123 | OpenAI GPT-4 Turbo | OpenAI | Proprietary | 128K | 30.5 | $10 | $30 | 2.03 | — |
| 124 | Amazon Amazon Nova Micro | Amazon | Proprietary | 128K | 30.4 | $0.035 | $0.14 | 496 | — |
| 125 | Google Gemini 1.5 Flash 8B | Proprietary | — | 29.9 | — | — | — | — | |
| 126 | Anthropic Claude 3 Opus | Anthropic | Proprietary | — | 29.5 | — | — | — | — |
| 127 | Anthropic Claude 3.5 Haiku | Anthropic | Proprietary | — | 29.2 | — | — | — | — |
| 128 | OpenAI GPT-4 | OpenAI | Proprietary | 8K | 29.1 | $30 | $60 | 0.78 | — |
| 129 | Anthropic Claude 3 Sonnet | Anthropic | Proprietary | — | 29.0 | — | — | — | — |
| 130 | OpenAI GPT-4o | OpenAI | Proprietary | 128K | 28.6 | $2.50 | $10 | 6.53 | — |
| 131 | OpenAI GPT-4.1 nano | OpenAI | Proprietary | 1.05M | 27.9 | $0.10 | $0.40 | 159 | 135 |
| 132 | Google Gemini 1.0 Pro | Proprietary | — | 27.3 | — | — | — | — | |
| 133 | Alibaba (Qwen) Qwen Turbo | Alibaba (Qwen) | Proprietary | 1M | 27.1 | $0.05 | $0.20 | 310 | — |
| 134 | Anthropic Claude 3 Haiku | Anthropic | Proprietary | — | 25.9 | — | — | — | 41 |
| 135 | OpenAI GPT-4o mini | OpenAI | Proprietary | 128K | 25.5 | $0.15 | $0.60 | 97.2 | 120 |
| 136 | Anthropic Claude 2.1 | Anthropic | Proprietary | — | 25.2 | — | — | — | — |
| 137 | Anthropic Claude 2 | Anthropic | Proprietary | — | 25.0 | — | — | — | — |
| 138 | OpenAI GPT-3.5-turbo | OpenAI | Proprietary | 16K | 23.2 | $0.50 | $1.50 | 31 | — |
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Frequently asked questions
What is the best closed-source AI model?
As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of Claude Fable 5.1 at 69.0.
What are the top 5 in this ranking?
GPT-6 Astra, Claude Fable 5.1, Claude Opus 5.5, Claude Opus 5, Claude Fable 5, in that order, as of October 2026.
How is this list ranked?
By the Noometry Index, which is fitted from every public benchmark result and adjusted for how hard each benchmark is. Models need several independent results to be ranked.