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Benchmarks

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gpt-5.5-xhigh

79.9%

no interval published

OpenAISep 2026swing #9–#34

gpt-5-high

79.3%

no interval published

OpenAIAug 2025swing #64–#149

gpt-5-codex

78.2%

no interval published

OpenAIswing #17–#142

LiveBench ×119 of 291 models
ModelOrg± CISwingAdd to compare
2gpt-5.5-xhighOpenAISep 2026$5 / $3079.9%—#9–34
4gpt-5-highOpenAIAug 2025$1.25 / $1079.3%—#64–149
7gpt-5-codexOpenAI——78.2%—#17–142
9gpt-5.4-xhighOpenAISep 2026$2.50 / $1578.0%—#12–27
17gpt-5.1-codex-maxOpenAIOct 2026$1.25 / $1075.6%—#53–375
24gpt-5-pro-2025-10-06OpenAIOct 2025$15 / $12074.7%—#88–166
26gpt-5.2-2025-12-11-highOpenAIDec 2025$1.75 / $1474.6%—#34–93
29gpt-5.2-codexOpenAIOct 2026$1.75 / $1474.0%—#37–370
30gpt-5.1-2025-11-13-highOpenAINov 2025$1.25 / $1073.9%—#45–242
36gpt-5.3-codex-highOpenAIOct 2026$1.75 / $1472.8%—#29–236
55gpt-5-mini-highOpenAIAug 2025$0.25 / $269.8%—#126–343
56gpt-5.4-nano-xhighOpenAIOct 2026$0.20 / $1.2569.6%—#94–222
71gpt-5.4-mini-xhighOpenAIOct 2026$0.75 / $4.5066.4%—#75–180
76gpt-5.1-codex-miniOpenAIOct 2026$0.25 / $265.7%—#54–425
105gpt-5-chatOpenAIAug 2025—61.0%—#92–310
114gpt-5.3-instantOpenAI——60.0%——
135gpt-5-nanoOpenAIAug 2025$0.05 / $0.4055.0%—#132–399
144gpt-5.2-2025-12-11-nothinkingOpenAI——53.8%——
182gpt-5.1-2025-11-13-nothinkingOpenAI——47.5%——

Showing LiveBench 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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