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
TodayGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
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 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 Intermediate
SWE-Together: Grade Coding Agents on Multi-Turn Sessions
Build a SWE-Together-style multi-turn coding-agent eval with an LLM user simulator in Python.
10 min read·Kodetra Technologies
19d 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 ago
Tutorials Intermediate
Give Your SDK Agent Filesystem Skills in Python
Load SKILL.md files into a Claude Agent SDK app with setting_sources and the skills option.
8 min read·Kodetra Technologies
21d ago
Tutorials Intermediate
Claude Task Budgets: Cap Agent Token Spend in Python
Give Claude agents a token countdown so long agentic loops finish gracefully instead of burning your bill.
9 min read·Kodetra Technologies
24d ago
Tutorials Intermediate
Claude Web Search Filtering: Cheaper Cited Agents in Python
Build cheap, cited research agents on Claude Sonnet 5 using the web search tool and dynamic filtering.
9 min read·Kodetra Technologies
24d ago
Tutorials Intermediate
Claude Managed Agents: Build a Long-Running Agent in Python
Stand up an autonomous agent with sessions, streaming events, and webhooks - no agent loop required.
9 min read·Kodetra Technologies
25d agoPage 1 of 5