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Applied AI·April 23, 2026·1 min read

OpenAI says "GPT-5.5 matches GPT-5.4 per-token latency in real-world serving, while performing at a much higher level of intelligence" (OpenAI)

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Latency parity with GPT-5.4 at a “much higher” intelligence level means the constraint shifts from model speed to your product’s UX and verification layer. If you were holding back on deeper automation because of response time, that excuse just expired.