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GPT 4.1

NanoGPT

GPT 4.1 by NanoGPT costs $2.00 per 1M input tokens and $8.00 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)
$2.00
Output (per 1M tokens)
$8.00
Cached input (per 1M)

Specifications

Provider
NanoGPT
Context window
1M tokens
Parameters
Released
Sep 2025
Open weights
No
Frontier model
No

Benchmarks

SWE-bench Verifiedcoding
74.6
Aider Polyglotcoding
52.4
LMArena (Chatbot Arena) Elohuman-preference
1381.9

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FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.