LinkModel · Journal
Tutorials, product updates, and insights
Step-by-step: create a DeepSeek API key on the platform, top up credits, and understand the China data-residency caveat — plus a zero-retention way to call DeepSeek.
Step-by-step: create an Anthropic API key in the Claude console, add credits, keep it secure — plus a cheaper one-key way to call Claude Opus, Sonnet and Haiku.
How to get an API key for OpenAI, Gemini, Claude and DeepSeek — where to create each, billing gotchas, key security best practices, and a single key that calls them all.
A practical MiniMax Hailuo 2.3 prompting guide — the Camera-Character-Reaction structure, stylized/anime prompts and e-commerce object motion, with API examples.
Wan 2.6 API guide — Alibaba's video model with role-play reference-to-video, multi-shot narrative, audio-visual sync and up to 15s output. Access, pricing and code.
The best text-to-video APIs in 2026 — Seedance, Kling, HappyHorse, Hailuo and Sora compared on quality, audio and cost, plus code to generate video from a prompt.
Seedream 5.0 Pro is ByteDance's GPT Image 2 rival — 2K output, 14-language text, layer-separated editing, at a fraction of the price. Full API guide, pricing and code.
How prompt caching works and how to use it to cut LLM API costs — cache-hit rates by provider (Claude, DeepSeek, Gemini, Kimi), the prefix rule, and common mistakes.
Can Nano Banana do text to video? No — Nano Banana is an image model. Here's the honest answer, why the confusion exists, and the best models for free text to video.
A practical Nano Banana API guide — Google's Gemini image models for fast, cheap generation and editing. The original, Nano Banana 2, and Pro compared, with code.
A multimodal AI API gives you text, image, and video generation behind one key and one request shape. Why it beats stitching providers together, and how to build with it.
A practical Kimi K2.6 API guide — Moonshot AI's 1T-param multimodal agent model. Pricing, the 300-sub-agent swarm, cache economics, and how it compares to DeepSeek.
The best image-to-video APIs in 2026 — animate a still with Seedance, Kling, Wan or Hailuo. How image-to-video works, which model to use, and code to get started.
How to choose an LLM API in 2026 — a step-by-step framework covering quality, cost, context, modality, latency and licensing, with a routing pattern that beats picking one.
Use the MiniMax Hailuo 2.3 API for stylized motion, anime, and product video. Learn the async request flow, prompt structure, and model selection.
A practical guide to GPT-5.3-codex — OpenAI's agentic coding model with mid-task steering and terminal/computer-use highs. When it beats a general model, and how to use it.
A practical GLM-5.1 API guide — Z.ai's open-weight 754B model built for 8-hour autonomous coding. Pricing, benchmarks, cache economics and how it stacks up.
A practical Gemini 3.1 Pro API guide — Google's frontier reasoning model at ~$2/$12 per million tokens. Pricing, the context cliff, benchmarks, and when Flash beats it.