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Benchmark

GPT-6.1 Sol (Max)

  • OpenAI
  • Release · September 29, 2026
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#14 of 266
  1. 52.753GPT-6 Astra (Max)
  2. 52.653Gemini 4 Argon (High)
  3. 52.452GPT-6 Astra (Xhigh)
  4. 52.452Muse Wonder (Max)
  5. 51.952Claude Sonnet 5.5 (Xhigh)
  6. 51.852GPT-6.1 Sol (Max)
  7. 51.251Claude Opus 5.5 (Medium)
  8. 51.251Claude Fable 5.1 (High)
  9. 5151GPT-6.1 Sol (Xhigh)
  10. 50.951GPT-6 Astra (High)
Data from Artificial Analysis

Evaluations

  • AA-Briefcase1,555#12
  • AA-Omniscience Accuracy62.1%#11
  • AA-Omniscience Non-Hallucination45.7%#20
  • AutomationBench-AA64.9%#11
  • GDPval-AA1,596#15
  • Humanity's Last Exam52.9%#15
  • GDP.pdf31%#3
  • Terminal-Bench 4.056.1%#11
  • AA-LCR83%#18
  • SciCode54.2%#38
  • CritPt31.7%#2
  • Terminal-Bench-Science58.1%#3
  • FrontierCode49.1%#2
  • AA-AnalystAgent50%#8
  • Harvey LAB-AA6.9%#5
  • AA-3D1,119#6
  • MLCR-AA38.3%#3
  • MMMU-Pro86%#6
  • PersonalityBench: Expressiveness46.7#17
  • PersonalityBench: Organization79.7#9
  • PersonalityBench: Transparency92.4#4
  • PersonalityBench: Slop11.2#23
  • PersonalityBench: Informativeness18.8#24
  • PersonalityBench: Warmth61.9#12
  • PersonalityBench: Conviction51.8#16
  • PersonalityBench: Imagination54.3#14
GPT-6.1 Sol (Max)Median
Data from Artificial Analysis

Cost per task

Cost per task

$ per Intelligence Index task · #9 of 24
  1. $0.210.21Claude Haiku 5.5 (Max)
  2. $0.220.22MiniMax-M3.1-Flash
  3. $0.230.23Beam 1.0
  4. $0.260.26DeepSeek V4.1 Flash 1017 (Max)
  5. $0.280.28GLM-5.3-Flash
  6. $0.720.72GPT-6.1 Sol (Max)
  7. $0.840.84Muse Spark Open (Xhigh)
  8. $1.011.01Qwen3.8 27B (Xhigh)
  9. $1.031.03Step 5 Preview
  10. $1.131.13Mistral Large 4 Preview
Data from Artificial Analysis

Time per task

seconds per task · #16 of 26
  1. 428428Claude Haiku 5.5 (Max)
  2. 498498Gemini 3.8 Flash (High)
  3. 507507MiniMax-M3.1-Flash
  4. 578578Mistral Large 4 Preview
  5. 604604GLM-5.3 (Max)
  6. 628628GPT-6.1 Sol (Max)
  7. 723723Gemini 4 Argon (High)
  8. 736736Claude Fable 5.1 (Max)
  9. 791791Claude Opus 5.5 (Max)
  10. 824824GLM-5.3-Flash
Data from Artificial Analysis

Tokens per task

output tokens per task · #4 of 27
  1. 26.3K26KBeam 1.0
  2. 27.2K27KGPT-6 Astra (Max)
  3. 34.7K35KInkling (Xhigh)
  4. 38.1K38KGPT-6.1 Sol (Max)
  5. 40.4K40KMuse Spark Open (Xhigh)
  6. 49.2K49KNemotron 3.5 Super VL
  7. 50K50KGPT-6 Luna (Max)
  8. 51.5K52KK2 Horizon 375B A23B
  9. 53.8K54KMuse Wonder Full (Max)
  10. 54.5K55KMuse Wonder (Max)
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #124 of 162
  1. 6363Claude Fable 5.1 (Xhigh)
  2. 6262GPT-6 Astra (Xhigh)
  3. 6161Qwen3.5 9B (Reasoning)
  4. 6060Qwen3.5 397B A17B (Non-reasoning)
  5. 5959Qwen3.5 397B A17B (Reasoning)
  6. 5959GPT-6.1 Sol (Max)
  7. 5858Claude Fable 5.1 (High)
  8. 5858Ling 3.0 Tiny
  9. 5858Kimi K3.1 Pro
  10. 5757Claude Fable 5.1 (Low)
Data from Artificial Analysis

Latency

seconds to first token · #158 of 162
  1. 102.7103GPT-5.6 Terra (Max)
  2. 106.6107GPT-6.1 Sol (Xhigh)
  3. 109.6110Claude Opus 5.5 (Xhigh)
  4. 161.5162GPT-6 Astra (Xhigh)
  5. 180.5181Claude Fable 5.1 (Max)
  6. 236236GPT-6.1 Sol (Max)
  7. 278.3278GPT-6 Astra (Max)
  8. 322.2322Claude Haiku 5.5 (Max)
  9. 371.6372Claude Sonnet 5.5 (Max)
  10. 652.6653Claude Opus 5.5 (Max)
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #136 of 169
  1. $3.53.5o3
  2. $44Claude Sonnet 5.5 (Max)
  3. $44Kimi K3.1 Pro
  4. $44Gemini 4 Argon (High)
  5. $44Claude Sonnet 5.5 (Xhigh)
  6. $44GPT-6.1 Sol (Max)
  7. $44GPT-6.1 Sol (Xhigh)
  8. $44GPT-6.1 Sol (High)
  9. $44GPT-6.1 Sol (Medium)
  10. $44Claude Sonnet 5.5 (High)
Data from Artificial Analysis

Nearby models

  • GPT-6 Astra (Max)OpenAI52.7
  • Gemini 4 Argon (High)Google52.6
  • GPT-6 Astra (Xhigh)OpenAI52.4
  • Muse Wonder (Max)Meta52.4
  • Claude Sonnet 5.5 (Xhigh)Anthropic51.9
  • Claude Opus 5.5 (Medium)Anthropic51.2
  • Claude Fable 5.1 (High)Anthropic51.2
  • GPT-6.1 Sol (Xhigh)OpenAI51
Data from Artificial Analysis

Same lab

  • GPT-6 Astra (High)OpenAI50.9
  • GPT-6.1 Sol (High)OpenAI50.2
  • GPT-6 Astra (Medium)OpenAI49.6
  • GPT-6.1 Sol (Medium)OpenAI47.8
  • GPT-6 Astra (Low)OpenAI45.8
  • GPT-5.6 Terra (Max)OpenAI42.1
  • GPT-6.1 Sol (Low)OpenAI42.1
  • GPT-6 Luna (Max)OpenAI38.1
Data from Artificial Analysis
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