DeepSeek R1 Explained: Earlier Reasoning Model, Not Today’s Flagship
What DeepSeek R1 was, how it differs from V4.1 Flash and V4 Pro, and why old R1 posts confuse shoppers.
Journal
Field notes from shipping software.
WordPress, Android, SEO and the business of getting online — written from production, not theory.
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What Happened to DeepSeek Coder? From Coder Models to V4 API
DeepSeek Coder in context: earlier coding models versus current V4.1 Flash and V4 Pro API names—not R1 as flagship.
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DeepSeek vs Cursor: Model Provider Versus AI Code Editor
DeepSeek is an API/chat provider; Cursor is an AI code editor. Start India and Pro rules explained without claiming free DeepSeek in Hobby.
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DeepSeek Peak vs Off-Peak Hours: UTC Windows and India Timing
DeepSeek peak hours (UTC) versus off-peak half rates, and why many India daytime jobs land off-peak—confirm the live clock.
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DeepSeek API Key: How to Create, Store, and Use One Safely
Create a DeepSeek API key on the platform, store it safely, and use it with Flash or Pro—not free chat credentials.
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Is DeepSeek Better Than ChatGPT? A Practical 2026 Take
A working developer’s take: DeepSeek free chat and cheap Flash API versus ChatGPT’s OpenAI ecosystem—no invented OpenAI prices.
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DeepSeek API with Python: Keys, Chat Completions, and Costs
Use the DeepSeek API from Python: API keys, model choice (Flash vs Pro), and 17 September 2026 pricing awareness.
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DeepSeek V4 Flash vs V4 Pro: Price, Vision, Concurrency
Side-by-side DeepSeek deepseek-flash and deepseek-v4-pro using the 17 September 2026 pricing page.
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DeepSeek API Pricing 2026: Flash, Pro, Peak, and Cache
DeepSeek API pricing as of 17 September 2026: V4.1 Flash and V4 Pro peak/off-peak rates, cached input, and context limits.
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DeepSeek vs ChatGPT for Coding: API, Editors, and Real Workflows
How DeepSeek’s API and free chat compare to ChatGPT when the job is writing, reviewing, and shipping code.
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