Model specification · OpenAI

GPT-4.1 Nano

openai/gpt-4.1-nano

For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...

SpecificationsReported values
Context window
1.0M
Maximum output
33K
Architecture
text+image+file->text
Tokenizer
GPT
Knowledge cutoff
2024-06-30
Moderated
Yes
Input modalities
image text file
Output modalities
text
Full pricingUSD where reported
PriceStandard
Input$0.100 / M
Output$0.400 / M
Benchmark indexesReported indexes
Intelligence
9.6
Coding
11.1
Agentic
1.2
Design Arena Elo
977
Example workload costsStandard pricing only
WorkloadInput / outputCache shareEstimated cost
Quick check10K / 1K × 10%$0.00140
Long analysis100K / 4K × 150%$0.00785
Workday20K / 2K × 1,00030%$2.35
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