The ChatGPT Apps SDK explained: how apps in ChatGPT work, why it's built on MCP, who the launch partners are, and how developers build and submit apps.
GPT-5.6 Sol vs Terra vs Luna compared on price, coding, latency, and cost per task — plus a routing strategy that cuts your bill without wrecking quality.
GPT-5.6 Sol, Terra & Luna: pricing ($1–$30/1M), benchmarks (Sol hits 91.9% on Terminal-Bench 2.1), 1.05M context, and which tier to actually use.
ChatGPT adult mode is still delayed — OpenAI's official status, what the feature would allow, why it was pushed back, and answers for parents.
OpenAI launched interactive math and science visuals in ChatGPT (March 2026). How the learning modules work, who gets access, and why students benefit.
GPT-5.4 benchmarks, pricing, and API limits, compared to GPT-5.4 Pro and GPT-5.3-Codex — the complete developer guide with real numbers.
GPT-5.3 Instant brings 26.8% fewer hallucinations, fewer needless refusals, and better web-sourced answers — what changed and why it matters for devs.