GPT-4.1 nano
Tiny GPT-4.1 option for classification, routing, and very high-volume tasks
ECI STANDING#153 of 266
SCORE129.63124.26–131.97 CI
FRONTIER LAGLaunched 9.8 months behindScores about what Claude 3.5 Sonnet did in June 2024.
SCORES LIKE THESE MODELS
Full Epoch Capabilities Index ranking ↗Gemma 3 27BGoogle DeepMind · Mar 2025130.03
Claude 3.5 SonnetAnthropic · Jun 2024130.0
Llama 4 ScoutMeta AI · Apr 2025129.64
Gemini 1.5 Flash (Sep 2024)Google DeepMind · Sep 2024129.36
RELEASE DATEApr 14, 2025
WEIGHTSClosed weights
CONTEXT WINDOW1.05M
MAX OUTPUT32.8K
REASONINGNo
TOOL CALLINGYes
INPUTStext, image
OUTPUTStext
Specifications from Models.dev. Availability and limits may differ by provider. Benchmark scores come from Epoch AI under CC BY 4.0.