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gpt-5.5-high

1,486±3

1,483CI1,489

openaiSep 2026swing #9–#34

gpt-5.4-high

1,484±3

1,481CI1,487

openaiSep 2026swing #12–#29

Factuality Arena ×115 of 172 models
ModelOrg± CISwingAdd to compare
7gpt-5.5-highopenaiSep 2026$5 / $301,4861,483–1,489#9–34
8gpt-5.4-highopenaiSep 2026$2.50 / $151,4841,481–1,487#12–29
17gpt-5.6-sol-xhighopenaiSep 2026$4 / $201,4761,473–1,480#6–25
28gpt-5.6-terra-xhighopenaiSep 2026$2 / $121,4681,464–1,471#13–59
41gpt-5.6-luna-xhighopenaiSep 2026$0.20 / $1.201,4611,457–1,464#30–146
45gpt-5.1-highopenaiNov 2025$1.25 / $101,4581,455–1,462#45–242
60gpt-5.2-chat-latest-20260210openaiFeb 2026—1,4511,447–1,454#44–72
67gpt-5.4-mini-highopenaiOct 2026$0.75 / $4.501,4471,444–1,450#75–180
79gpt-5.5-instantopenaiSep 2026—1,4431,439–1,447#52–114
80gpt-5.2openaiDec 2025$1.75 / $141,4421,439–1,445#34–92
119gpt-5-chatopenaiAug 2025—1,4221,415–1,428#91–310
120gpt-5-highopenaiAug 2025$1.25 / $101,4211,414–1,427#64–149
126gpt-5.3-chat-latestopenaiOct 2026—1,4181,414–1,422#66–358
127gpt-5.4-nano-highopenaiOct 2026$0.20 / $1.251,4171,414–1,420#95–222
147gpt-5-mini-highopenaiAug 2025$0.25 / $21,3941,387–1,401#126–343

Showing Factuality Arena exactly as the source published it — its own score and confidence interval, no blending. Select a second axis to build a weighted composite.

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