Reliability and Routing
Latest articles in Reliability and Routing.
CLI Proxy API: Access, Pricing, Integration, and Production Guide
Learn what a CLI proxy API does, how CLIProxyAPI access and costs work, how to test it safely, and when a managed gateway fits production.
What Is LLM Routing? Rules, Weights, and Cost-Aware Policies Explained
What is LLM routing? Learn how rules, weighted scores, capability filters, fallbacks, and evaluation make multi-model APIs more reliable.
OpenRouter Down? How to Fail Over Without Changing Code
Check whether OpenRouter is down, separate provider errors from platform incidents, and fail over with base_url, retries, provider fallback, and model fallback.
Claude API Error 529 Overloaded: Retry, Backoff, and Fallback Runbook
A production runbook for Claude API 529 overloaded errors: classify the failure, set retry budgets, add backoff and jitter, protect side effects, circuit-break repeated overload, and choose safe fallback routes.
Claude Model Version Not Found: Fix Wrong Model IDs, Aliases, and API Routes
A practical debug runbook for Claude model version not found errors across Anthropic-native APIs, routers, cloud-provider IDs, agent configs, and production fallbacks.
RPM vs TPM: LLM Rate Limits and 429 Fixes
Learn RPM vs TPM for LLM APIs, calculate safe capacity, diagnose 429 errors, and use queues, backoff, and bounded retries.
API Error 400 "Text Content Blocks Must Be Non-Empty": Causes and 5 Fixes
Fix API Error 400 "Text Content Blocks Must Be Non-Empty" in Anthropic requests with payload checks, sanitizer code, SDK examples, and QA steps.
Claude Pro vs API Key: When a Claude API Proxy or Multi-Model Router Wins
Claude Pro does not include API usage. Compare direct Anthropic API access, a Claude proxy, and a multi-model router by workload, compatibility, controls, and billing path.
Gemini vs Claude (2026): Which AI Should You Use?
Claude wins on writing and agentic coding; Gemini wins on Google Workspace, research, and media. Compare plans, models, and official API prices (October 2026), then test both with one API key.
LLM API Metrics That Actually Matter
A practical scorecard for measuring LLM API reliability, latency, cost, retries, fallbacks, context efficiency, and auditability.
AI Routing API Metrics That Actually Matter
A practical operator scorecard for measuring whether an AI routing API improves reliability, fallback quality, latency, cost, and observability.
Image Generation API Metrics That Actually Matter
Use practical image generation API metrics like cost per accepted image, prompt adherence, edit success, latency, retry rate, and business lift.
AI Routing API Tools: Evaluation Framework for Production Teams
A practical evaluation framework for choosing AI routing API tools that can actually support production traffic, spend control, and route governance.
Model Fallback Strategy: A 3-Workflow Playbook
A production model fallback playbook with policy as code, failure drills, a 60-minute game day, release gates, rollback triggers, and safe recovery rules.
AI Observability Implementation Checklist: 20 Production Steps
A production AI observability implementation checklist with 20 launch steps, a telemetry contract, code pattern, alert runbook, acceptance tests, and ownership handoff.
LLM Observability Tools Compared (October 2026): Langfuse, LangSmith, Arize, Helicone, Braintrust, Datadog
Side-by-side comparison of LLM observability and monitoring tools with October 2026 pricing, free tiers, open-source options, a selection guide, and OpenTelemetry setup code.
LLM API Fallback Routing: A Production Failover Playbook
A production playbook for deciding when LLM requests should retry, fail over, switch models, or stop—without breaking streams, tools, schemas, or latency budgets.
Gemini API Production Readiness Checklist for Backend Teams
A production-readiness checklist for backend teams integrating Gemini API, covering credentials, response contracts, retries, observability, cost, rollout, and incidents.
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