GPT-4.1 nano
deprecated
OpenAI2025-04-14
Specifications
Modalities
text
image
Context Window1048K tokens
Max Output33K tokens
Training Cutoff2024-06-01
Open SourceNo
Pricing (per 1M tokens)
Input$0.1000
Output$0.4000
Cache Read$0.0250
Benchmarks
Arena score (text)1322
Arena ratings: LMArena leaderboard dataset, CC BY 4.0, snapshot 2026-10-28.
MMLU-Pro-
SWE-Bench-
GPQA Diamond-
HumanEval-
ARC-AGI-
MATH-
API
Model ID
gpt-4.1-nanoSources
- OpenAI: GPT-4.1 nano | OpenAI API
general · as of 2026-07-04
- OpenAI: Deprecations
status · as of 2026-11-02
- LMArena: Arena leaderboard dataset, text_style_control overall: GPT-4.1 nano (2025-04-14)
elo rating · as of 2026-10-28