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NanoGPT

Claude 4 Sonnet Thinking (64K)

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Model ID claude-sonnet-4-thinking:64000
Provider NanoGPT
Family -
Status -
Knowledge Cutoff -
Release Date 2025-05-22
Input Modalities text, image, pdf
Output Modalities text
Context Window 1000000
Input Limit 1000000
Output Limit 64000
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control -
Open Weights No
Input Cost / 1M tokens $2.99
Output Cost / 1M tokens $14.99
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -