Claude 4.6 Opus Thinking Medium API
About
Build advanced reasoning agents with Claude 4.6 Opus Thinking Medium, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $5.00/1M input and $25.00/1M output tokens, native tool calling support. Access Claude 4.6 Opus Thinking Medium via the NanoGPT API with up to 128K output tokens.
Capabilities
Input Modalities
textimagepdf
Output Modalities
text
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$5.00
Output
$25.00
Caching (per 1M tokens)
Read
$0.50
Frequently Asked Questions
Claude 4.6 Opus Thinking Medium by NanoGPT costs $5.00 per 1M input tokens and $25.00 per 1M output tokens. Cached reads cost $0.50 per 1M tokens.
Model Details
ID
anthropic/claude-opus-4.6:thinking:medium
Provider
NanoGPTFamily
claude-opus
Release Date
Feb 5, 2026
Knowledge Cutoff
May 31, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
NANO_GPT_API_KEY
API Base URL
https://nano-gpt.com/api/v1