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OpenAI · released 2026-09-29

GPT-6.1 Sol

Measured on 203 benchmarks across 5 reasoning efforts.

54.5

#5 of 67 models · best at max

Reasoning efforts in this ranking

max54.5#9 of 149
xhigh52.4#11 of 149
high50.3#16 of 149
medium46.3#24 of 149
low34.8#47 of 149

Strengths

  • GPT-6.1 Sol
  • Gemini 4 Carbon (#1)
  • Field median
bestField medianFrontierCode 2.0-…Terminal-Bench v4…AA-Briefcase v1.1AutomationBench-AATerminal-Bench-Sc…HLE-DiamondCritPt v2 Hard Su…AA-Omniscience v1…AA-Omniscience v1…GDP.pdf
  1. FrontierCode 2.0-AA15%40.6%#5 of 67
  2. Terminal-Bench v4-AA10%56.1%#8 of 67
  3. AA-Briefcase v1.115%1555#17 of 67
  4. AutomationBench-AA5%64.9%#17 of 67
  5. Terminal-Bench-Science-AA15%58.1%#4 of 67
  6. HLE-Diamond10%58.8%#4 of 67
  7. CritPt v2 Hard Subset10%69.5%#2 of 67
  8. AA-Omniscience v1.1 Accuracy10%61.8%#3 of 67
  9. AA-Omniscience v1.1 Non-hallucination5%48.1%#43 of 67
  10. GDP.pdf5%31.0%#3 of 67

Bars show where GPT-6.1 Sol sits among the 67 ranked models on each benchmark (right is best); the tick is the field median.

Cost and speed

against 67 ranked models

Cost per task

#14 cheapest of 50

$0.07at max

Time per task

#35 quickest of 49

22 minat max

Output speed

#50 fastest of 59

51 tok/sat max

Time to first token

#56 quickest of 59

3.4 minat max

Output tokens per task

#21 fewest of 53

68kat max

Time per task: Artificial Analysis · computed, not timed: output tokens per Intelligence Index task divided by output speed, without tool time. Method changed Nov 4, 2026.

API default effort: medium, per Artificial Analysis.

Token price

$0.177 per 1M tokens at API prices$0.010 on ChatGPT Pro 10x

97.4% cache read · 2.16% fresh input · 0.04% cache write · 0.36% output

Measured from T3 Code usage in Codex, Oct 30 to Nov 5, high confidence. One app’s users, not everyone’s. $0.197 at the standard 97 / 2.5 / 0.5 mix.

This ranking’s benchmarks

10 of 10 measured

agentic

AutomationBench-AA

245 results
  1. #20xhigh of 24566.6%
  2. #25max of 24564.9%
  3. #27high of 24564.5%
  4. #33medium of 24562.6%
  5. #86low of 24552.6%

Leader: Gemini 4 Carbon · 77.8%

agentic

AA-Briefcase v1.1

250 results
  1. #29max of 2501555
  2. #40xhigh of 2501503
  3. #52high of 2501469
  4. #73medium of 2501360
  5. #120low of 2501114

Leader: Sonnet 5.5 · 1813

reasoning

CritPt v2 Hard Subset

116 results
  1. #5max of 11669.5%
  2. #6xhigh of 11669.5%
  3. #9high of 11668.5%
  4. #13medium of 11667.0%
  5. #17low of 11662.5%

Leader: GPT-6 Astra · 72.0%

coding

FrontierCode 2.0-AA

113 results
  1. #7max of 11340.6%
  2. #11xhigh of 11338.5%
  3. #15high of 11336.7%
  4. #23medium of 11333.4%
  5. #56low of 11320.2%

Leader: Opus 5.5 · 46.4%

economics

GDP.pdf

243 results
  1. #3high of 24332.0%
  2. #4xhigh of 24331.8%
  3. #8max of 24331.0%
  4. #12medium of 24330.0%
  5. #25low of 24327.0%

Leader: Muse Wonder Full · 32.6%

reasoning

HLE-Diamond

152 results
  1. #10max of 15258.8%
  2. #13xhigh of 15255.8%
  3. #17high of 15251.9%
  4. #22medium of 15246.0%
  5. #31low of 15238.2%

Leader: Gemini 4 Carbon · 69.1%

knowledge

AA-Omniscience v1.1 Accuracy

122 results
  1. #10max of 12261.8%
  2. #13xhigh of 12261.1%
  3. #16high of 12260.4%
  4. #18medium of 12259.6%
  5. #20low of 12258.6%

Leader: Fable 5.1 · 68.4%

knowledge

AA-Omniscience v1.1 Non-hallucination

122 results
  1. #60xhigh of 12252.0%
  2. #61medium of 12251.9%
  3. #63high of 12251.0%
  4. #65low of 12250.1%
  5. #69max of 12248.1%

Leader: Gemini 4 Carbon · 95.8%

reasoning

Terminal-Bench-Science-AA

126 results
  1. #8max of 12658.1%
  2. #15xhigh of 12650.5%
  3. #17high of 12646.2%
  4. #24medium of 12637.1%
  5. #50low of 12611.0%

Leader: Gemini 4 Carbon · 64.8%

coding

Terminal-Bench v4-AA

241 results
  1. #14max of 24156.1%
  2. #18xhigh of 24154.0%
  3. #23high of 24151.5%
  4. #26medium of 24148.0%
  5. #54low of 24130.8%

Leader: Kimi K3.1 · 67.2%

All 203 benchmarks

show 193 more