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Gpt 5 mini
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments.
Thinking Mode
Parameters
N/A
Context
400,000 tokens
Released
Jul 8, 2025
Leaderboards
Average Score combining domain-specific Autobench scores; Higher is better
Performance vs. Industry Average
Context Window
Gpt 5 mini has a smaller context window than average (406k tokens), with a context window of 400k tokens.