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Claude 4 Sonnet

NanoGPT

Claude 4 Sonnet by NanoGPT costs $2.99 per 1M input tokens and $14.99 per 1M output tokens, with a 200K-token context window.

Pricing

Input (per 1M tokens)
$2.99
Output (per 1M tokens)
$14.99
Cached input (per 1M)

Specifications

Provider
NanoGPT
Context window
200K tokens
Parameters
Released
Sep 2025
Open weights
No
Frontier model
No

Benchmarks

LiveBenchreasoning/coding
60.6
SWE-bench Verifiedcoding
76.8

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FAQ

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