Tutorials Intermediate
DeepSeek V4-Flash KV Cache: Cut Input Costs 50x
Structure prompts so DeepSeek's disk cache hits, and pay ~50x less on repeated input tokens.
9 min read·Kodetra Technologies
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How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
DeepSeek V4-Flash: Fix the reasoning_content 400 Trap
Build a thinking-mode tool-calling agent on DeepSeek V4-Flash-0731 without the 400 error.
10 min read·Kodetra Technologies
Yesterday
Tutorials Intermediate
DeepSeek V4-Flash Tool Loop: A Coding Agent for Cents
Build an autonomous file-editing coding agent on DeepSeek V4-Flash's tool-calling API for pennies.
9 min read·Kodetra Technologies
Yesterday
Tutorials Intermediate
Auto-Route Claude Refusals by Category on Opus 5
Auto-recover from Claude safety refusals on Opus 5 with one line of code: fallbacks='default'.
8 min read·Kodetra Technologies
7d ago
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
9d ago
Tutorials Intermediate
Kimi K3 Partial Mode: Prefill Replies to Force Output
Prefill Kimi K3's assistant turn to lock output shape, force clean JSON, and steer tone.
9 min read·Kodetra Technologies
15d ago
Tutorials Intermediate
Kimi K3 Reasoning Effort: Stream Thoughts, Cut Cost
Tune Kimi K3's low/high/max reasoning effort and stream reasoning_content to control token cost.
9 min read·Kodetra Technologies
15d ago
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
16d ago
Tutorials Intermediate
Kimi K3 Vision: Extract Structured Data From PDFs in Python
Use Kimi K3's native vision and JSON schema output to turn messy PDF pages into clean, typed data.
9 min read·Kodetra Technologies
18d 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
19d ago
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
19d 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
19d agoPage 1 of 6