NanoGPTClaude 4 Sonnet Thinking (8K) model ID, context window & pricing
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Quick facts
Model ID claude-sonnet-4-thinking:8192
Source NanoGPT
Context Window 1000000
Pricing $2.99 input / $14.99 output per 1M tokens
Capabilities tool calling, reasoning, structured output
Model overview
Claude 4 Sonnet Thinking (8K) is an AI model from NanoGPT with 1000000 token context window and text, image, pdf input support.
Published pricing is $2.99 input and $14.99 output per 1M tokens.
- Workloads that use text, image, pdf inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID claude-sonnet-4-thinking:8192
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 -