Claude 4.1 Opus Thinking by NanoGPT

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Model details

Claude 4.1 Opus Thinking

NanoGPTclaude-opus-4-1-thinking

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Quick Info

Provider: NanoGPT
Model key: claude-opus-4-1-thinking
Release date: May 22, 2025

Cost

Input token cost: $14.994
Output token cost: $75.004

Limits

Input tokens: 200,000 tokens
Output tokens

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Jul 17, 2026, 5:04 AMUTC

Project files just got a major upgrade! Edit text and code directly in the browser, or replace other files without breaking existing project links. Models can now read available source text verbatim, navigate long documents more reliably, and clearly warn you when only…

Jul 17, 2026, 2:30 AMUTC

Try it out: nano-gpt.com/conversation?mo… Link NanoGPT Access the newest AI models including ChatGPT, Claude, Gemini, Deepseek, and image/video models. Pay-as-you-go or subscribe. Local history by default. nano-gpt.com

Jul 17, 2026, 2:30 AMUTC

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Jul 17, 2026, 12:52 AMUTC

KAT Coder Air and Pro V2.5 are now available! Both are built for coding and agentic software-development workflows, with a 256K context window, tool calling, and structured outputs. Use Air for speed and efficiency, or Pro for more complex repository-scale work.

Jul 17, 2026, 12:04 AMUTC

Perplexity Academic Researcher is now available! It's built for literature reviews, evidence synthesis, and research-heavy questions. It prioritizes scholarly and peer-reviewed sources and returns citations so you can inspect the underlying research.

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