Tutorials Intermediate
Opus 5 Effort Router: Auto-Pick Cost vs Capability
Route each task to the right Claude Opus 5 effort level and cut your token bill.
7 min read·Kodetra Technologies
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AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
Kimi K3 Dynamic Tool Loading: Inject Tools On Demand
Load tools just-in-time in Kimi K3's agent loop to shrink prompts and sharpen tool choice.
8 min read·Kodetra Technologies
7d ago
Tutorials Intermediate
Port Kimi K2 Agents to K3: The Reasoning-History Trap
kimi-k3 is not a drop-in swap. Map the params right and dodge the trap that breaks tool loops.
9 min read·Kodetra Technologies
10d ago
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
10d ago
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
11d ago
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
12d ago
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
16d ago
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
17d ago
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
17d ago
Tutorials Intermediate
Grok 4.5 Tool Loops: Tune Effort and Cache to Cut Cost
Build an agentic Grok 4.5 tool loop in Python: route reasoning_effort and cache to slash cost.
7 min read·Kodetra Technologies
17d ago
Machine Learning Advanced
Read an LLM's Mind: Probe Hidden Thoughts Like J-Space
Train a linear probe on hidden activations and steer output, the method behind Anthropic's J-Lens.
9 min read·Kodetra Technologies
20d ago
Tutorials Intermediate
Context Compaction: Run Claude Agents Past 200K Tokens
Use Anthropic's compact-2026-01-12 beta so long agentic loops survive past the 200K context window.
11 min read·Kodetra Technologies
21d agoPage 1 of 6