Technical insights, tutorials, and updates from the EvoLink team. Learn how to optimize your AI costs and build better applications.
A March 25, 2026 production guide to reducing 429 errors in agent systems with token-aware throttling, provider-aware retry logic, and routing patterns.
A debug guide for model not found errors in OpenAI-compatible APIs. Covers model ID mapping, base URL mismatches, provider-specific naming, and a systematic debug matrix.
Learn why multi-model AI apps need a unified API layer for model switching, routing, usage visibility, billing, cost control, fallback, and production-ready operations.
Compare content moderation APIs for text, images, video, and AI workflows, with practical guidance for choosing the right moderation stack.
Learn how to add content moderation to chatbots and AI agents with input checks, output checks, tool validation, review queues, and risk routing.
Learn how image moderation APIs work and how to build safer upload flows for avatars, forums, marketplaces, and AI-generated images.
Learn what omni-moderation-latest does, how it changed OpenAI moderation, and how to use it in text and image safety workflows.
See whether the OpenAI Moderation API is free, how rate limits work by usage tier, and when production teams may want an OpenAI-compatible alternative.
A workflow-first guide to the AI video model families worth shortlisting in 2026, with pricing shape and production-fit guidance.
A release-watch guide to HappyHorse-1.0 covering EvoLink availability, confirmed signals, and which claims still need careful attribution.
If Seedance 2.0 is not the right video route for your current launch, this guide shows when to choose Sora 2 or Kling 3.0 instead.
A practical HappyHorse API guide for developers using EvoLink's unified video generation endpoint.
A pricing guide for HappyHorse 1.0 on EvoLink, focused on route-specific per-second billing and budget planning.
A practical HappyHorse vs Seedance 2.0 comparison for teams choosing an AI video API route.
A practical GPT-5.5 API pricing guide for developers: standard token pricing, cached input, long-context tiers, example request costs, and cost-control patterns.
A side-by-side GPT-5 API pricing comparison covering GPT-5.5, GPT-5.4, GPT-5.2, and GPT-5.1, with per-token costs, cached input discounts, long-context tiers, and budget planning guidance.
A workflow-first guide to using GPT Image 2 with Seedance 2.0 for storyboards, keyframes, and short-form video generation.
A developer-focused GPT Image 2 guide covering OpenAI's public documentation, the line between confirmed facts and rumors, integration approaches, code examples, and migration strategy.
A practical April 22, 2026 comparison of GPT Image 2 and GPT Image 1.5, focused on current OpenAI pricing, documented workflow differences, and when it makes sense to move.
A practical April 22, 2026 comparison of GPT Image 2 and Nano Banana 2, focused on official pricing, route maturity, and the tradeoff between OpenAI's newest image route and Google's production image model.
A review of Claude Opus 4.7 focused on documented strengths, pricing, migration risks, and where it fits best in production.
A practical April 16, 2026 comparison of Claude Opus 4.7 and Claude Opus 4.6 using Anthropic's official announcement, pricing page, and migration guide.
A practical GPT Image 1 API guide focused on pricing, image editing, inpainting workflows, supported modes, and integration through EvoLink.
Compare Seedream 4.0, 4.5, and 5.0 Lite pricing on EvoLink vs official BytePlus rates. See per-image costs, free credits, and which version fits your budget.
