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Guides
Guides, comparisons and product notes from the team building BoostRail — practical, checkable, and written for people who ship.
Claude Code with Other Models: DeepSeek, Kimi, GLM, Qwen
How to run Claude Code with other models such as DeepSeek, Kimi, GLM and Qwen: the settings, which model fits which job, and the limits we hit in testing.
LLM API Fallback: Keep Your App Up When a Model Fails
LLM API fallback in practice: which errors to retry, when to switch models, how to set timeouts for streaming, and what a multi-route API handles for you.
LLM API Pricing Explained: How to Estimate Your Bill
LLM API pricing explained: input, output, cached and reasoning tokens, why agents cost more than chat, and a worked way to estimate a monthly bill.
BYOK: Using Your Own Provider Keys Behind One LLM API
Keep your provider contracts and negotiated prices behind one OpenAI-compatible endpoint: how BYOK routing, fallback and the free monthly quota work.
Coding Agents and Rate Walls: How to Route Around Them
Why Claude Code, Codex CLI and Cline hit subscription windows and per-minute limits mid-task, and what one API in front of many models changes.
The Hidden Complexity of Multi-API AI Integrations
Four failure modes of direct multi-provider LLM integration (schema drift, rate-limit cascades, stream drops, key sprawl) and the design that removes them.
Migrating to an OpenAI-Compatible API: a Practical Guide
What "OpenAI-compatible" really means, the one-line base_url migration in Python and JavaScript, what carries over, and what to check first.