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Benchmark

GPT-5.6 Terra (Medium)

  • OpenAI
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#70 of 266
  1. 33.534Gemini 3.8 Flash (Low)
  2. 32.933GPT-6 Luna (High)
  3. 32.533GPT-5.3 Codex (Xhigh)
  4. 30.531K2 Horizon 375B A23B
  5. 30.330Beam 1.0
  6. 30.130GPT-5.6 Terra (Medium)
  7. 29.930GPT-6 Luna (Medium)
  8. 29.730Gemini 3.1 Pro Preview
  9. 29.530Claude Haiku 5.5 (Low)
  10. 29.229MiniMax-M3
Data from Artificial Analysis

Evaluations

  • AA-Omniscience Accuracy44.6%#42
  • Humanity's Last Exam33.3%#76
  • Terminal-Bench 4.01%#77
  • AA-LCR74%#89
  • SciCode50.5%#61
  • CritPt17.4%#49
  • MMMU-Pro76.8%#41
  • GPQA Diamond87.2%#38
  • IFBench62.2%#36
  • τ²-Bench Telecom72.8%#46
  • τ²-Bench Banking25.6%#36
GPT-5.6 Terra (Medium)Median
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #75 of 162
  1. 118118Llama 4 Scout
  2. 118118Gemma 4 12B (Non-reasoning)
  3. 116116GPT-6 Luna (Low)
  4. 116116GPT-5.6 Terra (Low)
  5. 115115Nova 2.0 Pro Preview (Non-reasoning)
  6. 114114GPT-5.6 Terra (Medium)
  7. 114114Gemma 4 12B (Reasoning)
  8. 114114Agnes 2.5 Pro Beta
  9. 113113MiniMax-M3.1-Flash
  10. 112112Solar Mini 4
Data from Artificial Analysis

Latency

seconds to first token · #59 of 162
  1. 1.41.4MiniMax-M3.1-Flash
  2. 1.41.4Claude Sonnet 5.5 (Medium)
  3. 1.41.4GPT-5.6 Terra (Low)
  4. 1.41.4Agnes 2.5 Pro Beta
  5. 1.41.4Reka Flash 3
  6. 1.51.5GPT-5.6 Terra (Medium)
  7. 1.51.5Magistral Small 1.2
  8. 1.61.6DeepSeek V4 Flash Vision (Max)
  9. 1.61.6Inkling Small
  10. 1.61.6Sarvam 105B (High)
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #148 of 169
  1. $44Claude Sonnet 5.5 (Low)
  2. $4.384.38Command A
  3. $4.54.5GPT-5.6 Terra (Max)
  4. $4.54.5GPT-5.6 Terra (Xhigh)
  5. $4.54.5GPT-5.6 Terra (High)
  6. $4.54.5GPT-5.6 Terra (Medium)
  7. $4.54.5Gemini 3.1 Pro Preview
  8. $4.54.5GPT-5.6 Terra (Low)
  9. $4.54.5GPT-5.6 Terra (Non-reasoning)
  10. $4.814.81GPT-5.3 Codex (Xhigh)
Data from Artificial Analysis

Nearby models

  • Gemini 3.8 Flash (Low)Google33.5
  • GPT-6 Luna (High)OpenAI32.9
  • GPT-5.3 Codex (Xhigh)OpenAI32.5
  • K2 Horizon 375B A23BInstitute of Foundation Models30.5
  • Beam 1.0Reflection30.3
  • GPT-6 Luna (Medium)OpenAI29.9
  • Gemini 3.1 Pro PreviewGoogle29.7
  • Claude Haiku 5.5 (Low)Anthropic29.5
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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