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GPT-5.4 Nano

OpenAI · 2026-03-17

GPT-5.4 Nano is the smallest and cheapest tier of OpenAI's GPT-5.4 generation, optimized for simple, high-volume tasks such as classification, extraction, and ranking. It is built for low-latency subagent and pipeline workloads.

Benchmark scores

BenchmarkScore
AA-LCR66.0
AA-Omniscience Index-18.8
Agent Red Teaming k=100 (CAIS)81.7
Aikido Known-CVE Detection (Pass@3 Union)69.2
Aikido Known-CVE Detection (Single-Run Average)57.7
AIME 2024 (avg@8)85.4
AIME 2024-202588.8
AIME 2025 (avg@8)92.1
ALE-Bench1312
APEX-Agents16.9
APEX-Agents-AA24.9
ARC-AGI-151.5
ARC-AGI-25.7
Arena Text — Business, Management & Financial Ops (No Style Control)1365
Arena Text — Chinese (No Style Control)1391
Arena Text — Creative Writing (No Style Control)1315
Arena Text — English (No Style Control)1383
Arena Text — Entertainment, Sports & Media (No Style Control)1324
Arena Text — Exclude Ties (No Style Control)1346
Arena Text — Exclude Ties (Style Controlled)1390
Arena Text — Expert (No Style Control)1395
Arena Text — French (No Style Control)1396
Arena Text — French (Style Controlled)1430
Arena Text — German (No Style Control)1365
Arena Text — Hard Prompts (No Style Control)1381
Arena Text — Hard Prompts English (No Style Control)1388
Arena Text — Instruction Following (No Style Control)1362
Arena Text — Japanese (No Style Control)1338
Arena Text — Korean (No Style Control)1320
Arena Text — Legal & Government (No Style Control)1367
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