Tutorials Advanced
OpenAI Multi-Agent Beta: Ship an Agent Tree in Python
Enable multi_agent on the Responses API, trace every subagent, and dodge the hosted-call trap.
14 min read·Kodetra Technologies
11d agoGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Advanced
Misalignment Monitoring: When OpenAI Halts Your Agent
Handle the 403 that stops a GPT-6 Astra agent and wire up safety.alert.created webhooks.
14 min read·Kodetra Technologies
11d ago
Tutorials Intermediate
GPT-6 Astra: Change Reasoning Effort Without Losing Cache
Use configuration_update to raise or lower Astra's reasoning effort mid-chat and keep cache hits.
11 min read·Kodetra Technologies
12d ago
Tutorials Intermediate
Async Tool Calls: Stop Your Agent Blocking on Slow APIs
Use async tool calls and a wait tool to keep your agent reasoning while tools run.
12 min read·Kodetra Technologies
13d ago
Tutorials Advanced
Steer GPT-6 Astra Mid-Turn Without Losing Its Work
Redirect a running Astra agent over WebSocket with response.steer, keeping finished work.
13 min read·Kodetra Technologies
14d ago
Tutorials Intermediate
Qwen3.8-Max Tool Calling: A Python Agent Loop
Build a working tool-calling agent on Alibaba's new Qwen3.8-Max using the OpenAI-compatible API.
9 min read·Kodetra Technologies
Aug 4
Tutorials Intermediate
Kimi K3: Query a Million-Token Repo for Pennies
Point the OpenAI SDK at Moonshot's 2.8T K3, load a whole repo, and cut cost with caching.
8 min read·Kodetra Technologies
Jul 17
Tutorials Intermediate
Muse Spark 1.1: Drop-In Agent, Self-Managed Context
Point the OpenAI SDK at Meta's agent model, add tools, let it self-manage a 1M-token context.
10 min read·Kodetra Technologies
Jul 17
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 16
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 10Page 1 of 3