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Model launch

OpenAI releases GPT-5.4 Nano

GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...

Type
MODEL_LAUNCH
Detection
benchmark
Confidence
high
Status

Primary source

Epoch AI Benchmarking Hub · epoch.ai/benchmarks/eci ↗

Independent benchmark runs (GPQA Diamond, SWE-bench Verified, FrontierMath, ...) plus externally reported leaderboards and the Epoch Capabilities Index (ECI).

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