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GPT-5.5 Instant (June 2026)

  • OpenAI
  • Release · June 25, 2026
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#84 of 266
  1. 26.727Quasar 438B (Max, Based on GLM-5.2)
  2. 26.627Solar Pro 4
  3. 26.527Nemotron 3.5 Super VL
  4. 26.426Apodex 1.1
  5. 26.226Qwen3.8 27B (Low)
  6. 2626GPT-5.5 Instant (June 2026)
  7. 25.826Kimi K2.7 Code
  8. 25.726Inkling Small
  9. 25.325Hy3
  10. 25.325K2 Horizon MoVA 36B A4B
Data from Artificial Analysis

Evaluations

  • AA-Omniscience Accuracy44.4%#43
  • Humanity's Last Exam19.9%#102
  • Terminal-Bench 4.012.6%#54
  • AA-LCR70%#104
  • SciCode52.6%#49
  • CritPt0%#143
  • GPQA Diamond82.3%#64
  • τ²-Bench Banking11.8%#67
GPT-5.5 Instant (June 2026)Median
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #44 of 162
  1. 166166Command A+
  2. 162162Mistral Medium 3.5
  3. 162162Muse Wonder (Max)
  4. 159159Quasar 438B (Max, Based on GLM-5.2)
  5. 158158Nemotron 3 Ultra 550B A55B (Reasoning)
  6. 152152GPT-5.5 Instant (June 2026)
  7. 152152o3
  8. 151151Muse Spark Open (Xhigh)
  9. 147147Qwen3.6 35B A3B (Non-reasoning)
  10. 143143Qwen3.5 122B A10B (Non-reasoning)
Data from Artificial Analysis

Latency

seconds to first token · #27 of 162
  1. 0.80.8Nemotron 3 Nano Omni 30B A3B Reasoning
  2. 0.90.9Phi-4 Mini Instruct
  3. 0.90.9Ministral 3 8B
  4. 0.90.9Mistral Small 4 (Reasoning)
  5. 0.90.9GPT-6 Luna (Non-reasoning)
  6. 0.90.9GPT-5.5 Instant (June 2026)
  7. 0.90.9Qwen3.5 9B (Non-reasoning)
  8. 0.90.9Qwen3.5 4B (Non-reasoning)
  9. 0.90.9Gemma 4 E4B (Reasoning)
  10. 0.90.9Gemma 4 26B A4B (Reasoning)
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #159 of 169
  1. $88Claude Opus 5.5 (Xhigh)
  2. $88Claude Opus 5.5 (High)
  3. $88Muse Wonder (Max)
  4. $88Claude Opus 5.5 (Medium)
  5. $88Claude Opus 5.5 (Low)
  6. $11.25$11GPT-5.5 Instant (June 2026)
  7. $2020Claude Fable 5.1 (Max)
  8. $2020Claude Fable 5.1 (Xhigh)
  9. $2020GPT-6 Astra (Max)
  10. $2020GPT-6 Astra (Xhigh)
Data from Artificial Analysis

Nearby models

  • Quasar 438B (Max, Based on GLM-5.2)Multiverse Computing26.7
  • Solar Pro 4Upstage26.6
  • Nemotron 3.5 Super VLNVIDIA26.5
  • Apodex 1.1Apodex26.4
  • Qwen3.8 27B (Low)Alibaba26.2
  • Kimi K2.7 CodeKimi25.8
  • Inkling SmallThinking Machines25.7
  • Hy3Tencent25.3
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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