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Benchmark

GPT-5.6 Terra (Max)

  • OpenAI
  • Release · July 9, 2026
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#38 of 266
  1. 43.744Step 5 Preview
  2. 43.443Claude Haiku 5.5 (Max)
  3. 42.743MiniMax-M3.1-Flash
  4. 42.342Claude Opus 5.5 (Low)
  5. 42.242Grok 4.7 (Low)
  6. 42.142GPT-5.6 Terra (Max)
  7. 42.142GPT-6.1 Sol (Low)
  8. 41.842GLM-5.3-Flash
  9. 41.241Claude Haiku 5.5 (Xhigh)
  10. 41.141Ling 3.1 Flash
Data from Artificial Analysis

Evaluations

  • AA-Omniscience Accuracy46.8%#38
  • Humanity's Last Exam42.9%#40
  • Terminal-Bench 4.035.4%#28
  • AA-LCR83%#18
  • SciCode55%#33
  • CritPt30%#13
  • MMMU-Pro80.7%#23
  • GPQA Diamond92.5%#15
  • IFBench71.2%#16
  • τ²-Bench Telecom86.3%#23
  • τ²-Bench Banking40.2%#17
  • Terminal-Bench Hard57.6%#2
  • APEX-Agents38.9%#2
GPT-5.6 Terra (Max)Median
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #56 of 162
  1. 136136Apertus 8B Instruct
  2. 134134Claude Sonnet 5.5 (Max)
  3. 133133Qwen3 Next 80B A3B Instruct
  4. 132132Gemini 3.1 Pro Preview
  5. 131131Qwen3.6 35B A3B (Reasoning)
  6. 130130GPT-5.6 Terra (Max)
  7. 128128Qwen3.5 122B A10B (Reasoning)
  8. 127127GPT-6 Luna (Xhigh)
  9. 127127Nova 2.0 Pro Preview (Medium)
  10. 124124Ring-2.6-1T
Data from Artificial Analysis

Latency

seconds to first token · #153 of 162
  1. 54.955GPT-5.3 Codex (Xhigh)
  2. 5757Gemini 4 Argon (High)
  3. 59.560Claude Haiku 5.5 (Xhigh)
  4. 74.575Claude Fable 5.1 (Xhigh)
  5. 78.579GPT-6 Luna (Max)
  6. 102.7103GPT-5.6 Terra (Max)
  7. 106.6107GPT-6.1 Sol (Xhigh)
  8. 109.6110Claude Opus 5.5 (Xhigh)
  9. 161.5162GPT-6 Astra (Xhigh)
  10. 180.5181Claude Fable 5.1 (Max)
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #145 of 169
  1. $44Claude Sonnet 5.5 (High)
  2. $44GPT-6.1 Sol (Low)
  3. $44Claude Sonnet 5.5 (Medium)
  4. $44Claude Sonnet 5.5 (Low)
  5. $4.384.38Command A
  6. $4.54.5GPT-5.6 Terra (Max)
  7. $4.54.5GPT-5.6 Terra (Xhigh)
  8. $4.54.5GPT-5.6 Terra (High)
  9. $4.54.5GPT-5.6 Terra (Medium)
  10. $4.54.5Gemini 3.1 Pro Preview
Data from Artificial Analysis

Nearby models

  • Step 5 PreviewStepFun43.7
  • Claude Haiku 5.5 (Max)Anthropic43.4
  • MiniMax-M3.1-FlashMiniMax42.7
  • Claude Opus 5.5 (Low)Anthropic42.3
  • Grok 4.7 (Low)SpaceXAI42.2
  • GPT-6.1 Sol (Low)OpenAI42.1
  • GLM-5.3-FlashZ AI41.8
  • Claude Haiku 5.5 (Xhigh)Anthropic41.2
Data from Artificial Analysis

Same lab

  • GPT-6 Astra (Max)OpenAI52.7
  • GPT-6 Astra (Xhigh)OpenAI52.4
  • GPT-6.1 Sol (Max)OpenAI51.8
  • GPT-6.1 Sol (Xhigh)OpenAI51
  • 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
Data from Artificial Analysis
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