Tutorials Intermediate
GPT-6.1 Terra Invoice Reader: Image to Ledger in Python
Read invoice images with gpt-6.1-terra, sweep reasoning effort, escalate only when math fails.
13 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 API 2026-10-21: Build a Migration Scanner in Python
Claude SDK 2.0 and API 2026-10-21 break old code. Scan for every 400 and TypeError first.
14 min read·Kodetra Technologies
3d ago
Tutorials Intermediate
Gemini 4 Argon Long Decode: 200K Tokens, One Request
Use Argon's background long decode to generate 1M tokens of output, with cost math.
9 min read·Kodetra Technologies
13d ago
Tutorials Intermediate
Preserved Thinking: Build a Prefix-Drift Guard in Python
Claude now 400s agents that edit history. Catch the edit before the API does.
13 min read·Kodetra Technologies
13d ago
Tutorials Intermediate
Muse Wonder 1.0: Build a Cited Research Agent in Python
Meta's new Muse Wonder API: web-search citations, a cost meter and an audit pass.
11 min read·Kodetra Technologies
14d ago
Tutorials Intermediate
Agent Tool Broker: Identity, Audit Log, Kill Switch
Build an out-of-model tool broker in Python: per-agent identity, scoped policy, tamper-evident logs.
10 min read·Kodetra Technologies
14d ago
Machine Learning Intermediate
textGrain Watermark: Build and Break One in Python
Build a toy keyed text watermark like OpenAI's textGrain, then measure how edits break it.
12 min read·Kodetra Technologies
17d ago
Tutorials Intermediate
OpenAI Decisions API: Calibrate Thresholds on Labeled Data
Use /v1/decisions as a $0.10 guardrail, then sweep thresholds and escalate only the unsure band.
11 min read·Kodetra Technologies
17d ago
Tutorials Intermediate
Nano Banana 2.1: Product Shots With Edit Chains in Python
Half-price image gen: build a hero-plus-variants pipeline with a budget guard.
8 min read·Kodetra Technologies
19d ago
Tutorials Intermediate
Haiku 5.5 Triage: Measure Effort, Then Route by Cost
Benchmark Haiku 5.5 effort levels on your own tickets, then route cheap-first.
10 min read·Kodetra Technologies
19d ago
Tutorials Intermediate
OpenAI Dots: Rebuild Its Custom Rules as a Python Gate
OpenAI dots have no API yet. Build their allow/ask/hand-off rules in Python.
13 min read·Kodetra Technologies
19d ago
Tutorials Intermediate
Reflection Beam: Get Agent-Ready Before the Weights Drop
Build an effort-routing tool-loop client for Beam's OpenAI-compatible API and size the self-host bill.
8 min read·Kodetra Technologies
20d agoPage 1 of 11