OpenAI: GPT-5.5
openai/gpt-5.5 · agent · text+image+file->text · 1M ctx · added 2026-04-24
$1.5602·18.5941 /M effective
hit 68%
6.78B/d
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
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6.78B/d
68%
$1.5602·18.5941
–
6mo
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429
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