Creuto: AI Technology & Product Insights
Stay informed with practical insights from the Creuto team on artificial intelligence, custom software, mobile applications, SaaS development, product engineering, technology trends, and digital transformation.
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ChatGPT workspace agents or a custom build on the OpenAI API?
ChatGPT workspace agents handle most internal workflows without a build, and their API can start a run but not return the answer. Here is where a custom build on the OpenAI API starts to earn its cost.
Akash Mohapatra
Sep 21, 2026
GPT-Live-1 pricing: what a $0.05-a-minute voice agent costs
GPT-Live-1 charges $0.05 a minute for the voice and bills the backend model separately. We work out a real per-call cost, cover phone lines, and explain what the gpt-realtime and whisper-1 shutdowns mean.
Akash Mohapatra
Sep 21, 2026
GPT-4 shutdown on 23 October: the migration map
On 23 October 2026 OpenAI shuts down gpt-4, gpt-3.5-turbo, o1, o3-mini, o4-mini and more. Here is the full substitute table, the price change for each move and the gotchas that break quietly.
Akash Mohapatra
Sep 21, 2026
OpenAI fine-tuning deprecated: what to use instead in 2026
OpenAI is closing self-serve fine-tuning in stages, and fine-tunes on o4-mini and GPT-4.1 nano stop on 23 October. The timeline, costed alternatives and how to pick one.
Akash Mohapatra
Sep 21, 2026
OpenAI Agent Builder deprecation: move off by 30 November
Agent Builder, the Evals platform and reusable prompts all shut down on 30 November 2026. Here is which exit fits which agent, and the migration order that keeps your eval baseline.
Akash Mohapatra
Sep 21, 2026
OpenAI API key security: expiry, governance and mTLS
OpenAI added key expiry, key creation governance, mTLS and workload identity federation in three weeks. None of them reach keys you already issued, or a key shipped in a client app.
Akash Mohapatra
Sep 21, 2026
OpenAI implementation partner: 8 questions to ask first
Eight questions to ask an OpenAI implementation partner before you sign, from the 23 October model shutdowns to evals, prompt caching, data residency and API key expiry, each checkable in OpenAI's docs.
Akash Mohapatra
Sep 21, 2026
GPT-6 Astra vs GPT-5.6: which model your product should run
GPT-6 Astra costs 2.5 times GPT-5.6 Sol per token and shares its 1.05M context window. Here is when Astra pays for itself, which API calls break on migration, and where Terra and Luna fit.
Akash Mohapatra
Sep 21, 2026
OpenAI Select Partner: what changes for your AI build
Creuto has been named an OpenAI Select Partner. Here is which OpenAI models we build on, what the status changes in delivery, and what stays yours: your data, your keys and your vendor choices.
Akash Mohapatra
Sep 21, 2026
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