OpenAI API, the Developer Surface I Use Sparingly

The OpenAI API is the second-most-touched developer surface in my empire after Anthropic. I use it for two specific shapes of work: batch classification where GPT-6 Luna's USD 0.10 input price wins, and structured output where OpenAI's JSON-schema enforcement is more reliable than tool-use fallbacks elsewhere.

GPT-6 Astra (the flagship) I rarely use. The pricing is competitive but the quality difference versus Sonnet 5 is small enough that switching costs lose to consistency. My empire infrastructure (caching, retry logic, prompt templates) is calibrated for Anthropic; using OpenAI for one or two endpoints fragments the operational story.

Where OpenAI genuinely wins: structured outputs with the response_format JSON schema. When I need parsed JSON out of an LLM call without hand-rolling validation, GPT-6 Luna is the most reliable cheap path. Anthropic's tool-use can do the same thing, but the developer ergonomics around structured outputs are cleaner on OpenAI.

OpenAI's video-generation API is the other reason I keep a key warm. The autokaam tutorial pipeline occasionally needs a 30-second product demo, and generating it through the API is the cleanest path to a watermark-free deliverable. For one-off marketing assets it is reasonable.

The Indian-operator angle is the GST treatment. OpenAI charges GST on Indian developer accounts, which the smart founders register and reclaim. The naive payments-from-personal-card path leaves you with a non-deductible expense. Worth the 30 minutes of paperwork.

What I would not do: build my entire empire on the OpenAI API. The empire bet is on Claude for coding and reasoning, with OpenAI as a tactical second source for structured output and image-video work. That bet has held up well across 2025-26.

If you are starting today and you have no incumbent vendor pull, evaluate Anthropic and OpenAI side-by-side for your specific workload. The right answer depends on your work, not the vendor's loud marketing.

Despite the strong Anthropic alternative, the OpenAI API remains a meaningful second source. Structured outputs and image/video APIs are the strongest reasons to keep a key warm even on Anthropic-primary stacks.