Tutorials Intermediate
GPT-5.6 Persisted Reasoning: Reuse Thinking Across Turns
Use reasoning.context to reuse GPT-5.6's chain of thought across turns and cut redundant tokens.
9 min read·Kodetra Technologies
Jul 16Guides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Advanced
Clone GPT-Live: Full-Duplex Voice Agent That Delegates
Reproduce GPT-Live's full-duplex voice and background delegation using the GA Realtime API.
11 min read·Kodetra Technologies
Jul 15
Tutorials Intermediate
Prompt Cache Retention: Cut OpenAI Bills Up to 90%
Structure prompts, set prompt_cache_retention, and read cached_tokens to slash GPT-5.6 input costs.
8 min read·Kodetra Technologies
Jul 11
Tutorials Advanced
GPT-5.6 Orchestrates Tools in a V8 Sandbox (Python)
Use GPT-5.6's Responses API so the model writes JavaScript to run your tools in one call.
10 min read·Kodetra Technologies
Jul 10
Tutorials Intermediate
Live X Search Agent: Real-Time Trend Tracking With Grok
Use Grok 4.5's server-side X Search on the xAI API to build a cited, real-time trend agent.
10 min read·Kodetra Technologies
Jul 10
Tutorials Intermediate
GPT-5.6 Sol: Max Effort and Ultra Subagents in Python
Use GPT-5.6 Sol's new max reasoning effort and ultra subagents via the Responses API.
13 min read·Kodetra Technologies
Jun 30
Tutorials Intermediate
Stream Gemini Thinking: Build a Show-Your-Work CLI
Stream Gemini's thought summaries live, control reasoning effort, and track thinking-token cost.
8 min read·Kodetra Technologies
Jun 27
Tutorials Intermediate
Build a Realtime Voice Assistant With gpt-realtime-2
Stream audio in and out, add tools, approvals, and handoffs with gpt-realtime-2 in Python.
10 min read·Kodetra Technologies
Jun 8
Tutorials Beginner
GPT-5.4 Computer Use: Build a Desktop AI Agent Guide
Automate desktop tasks with GPT-5.4's native computer-use API in six simple, tested steps.
3 min read·Kodetra Technologies
Apr 17
Tutorials Beginner
GPT-5.4 Tool Search: Load Only What You Need
Use OpenAI's tool search to dynamically load tools at runtime, cutting token usage by 47% in large tool ecosystems.
4 min read·Kodetra Technologies
Apr 14