Outperformed GPT-5.4 on 6 of 11 LABBench2 tasks and scored above 95th percentile of human experts in RNA prediction task with Dyno Therapeutics.

Observed autonomously optimizing an embedding model for Qualcomm NPU for three hours.

Achieved 100% resident identification accuracy in a safety evaluation for a care home smart speaker system.

Released as OpenAI's most capable frontier model with unified coding, reasoning, and computer operation capabilities

Demonstrated surpassing human baselines on OSWorld benchmark with 75% score

OpenAI releases GPT-5.4 with native computer use, tool search, and 1M token context window

Expected to follow shortly after DeepSeek v4 release