Tutorials Intermediate
Fable 5 Prompt Caching: Slash 1M-Token Codebase Costs
Reuse a huge codebase prefix across every Fable 5 call and pay ~90% less.
8 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
Claude Programmatic Tool Calling: Cut Agent Token Costs
Let Claude write code that calls your tools in a loop — 20–40% fewer tokens, same accuracy.
10 min read·Kodetra Technologies
Today
Tutorials Intermediate
Fable 5 Effort: Cut Thinking Token Costs in Python
Claude Fable 5 always thinks. Use effort, display and max_tokens to control reasoning cost.
9 min read·Kodetra Technologies
Yesterday
Tutorials Intermediate
DeepSeek V4 Pro: Cheap 1M-Token Context in Python
Use DeepSeek V4 Pro's auto KV cache to run huge-context jobs for cents.
8 min read·Kodetra Technologies
3d ago
Tutorials Intermediate
MiniMax M3: Master 1M-Token Long Context With MSA
MiniMax M3 hands-on: MSA sparse attention plus real 1M-token long context, with runnable Python.
10 min read·Kodetra Technologies
4d ago
Tutorials Intermediate
Claude Opus 4.8 Effort Levels: A Hands-On Python Guide
Tune token spend on Opus 4.8 with the effort parameter. Runnable Python, real I/O, real numbers.
7 min read·Kodetra Technologies
15d agoMore guides like this?
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Tutorials Intermediate
DSPy GEPA: Auto-Optimize AI Agent Prompts
Use DSPy GEPA to auto-evolve prompts with reflection and beat hand-tuned baselines.
4 min read·Kodetra Technologies
24d ago
Security Advanced
How to Secure an MCP Server Against Tool Poisoning
Harden MCP servers: kill tool poisoning, validate tokens, sandbox tools
9 min read·Kodetra Technologies
27d ago
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