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Changelog | Claude API

Decoding the Claude Code April 2026 Changelog: A Comprehensive Overview of 30+ Version Iterations from 2.1.69 to 2.1.101
ByAPIYI - Stable and affordable AI API 2026年 4月 13日

Author's Note: A comprehensive breakdown of the Claude Code March-April 2026 Changelog, covering the Opus 4.6 1M context window, NO_FLICKER rendering, /powerup interactive tutorials, team onboarding, and other major functional iterations. Anthropic's Claude Code entered its most intensive iteration cycle ever between March and April 2026, pushing from v2.1.69 to v2.1.101 in just five weeks—that's…

Read More Decoding the Claude Code April 2026 Changelog: A Comprehensive Overview of 30+ Version Iterations from 2.1.69 to 2.1.101
API Best Practices | Claude API

3 ways to obtain Claude Mythos API: Detailed explanation of Project Glasswing targeted access and AWS Bedrock integration
ByAPIYI - Stable and affordable AI API 2026年 4月 13日

Author's Note: A deep dive into how to access the Claude Mythos API, including the Project Glasswing targeted invitation, restricted AWS Bedrock access, and Vertex AI channels, complete with benchmark data and recommended alternatives. Claude Mythos is the most powerful AI model in history, released by Anthropic on April 7, 2026. It achieved a record-breaking…

Read More 3 ways to obtain Claude Mythos API: Detailed explanation of Project Glasswing targeted access and AWS Bedrock integration
AI Coding | Claude API

GLM-5.1 vs Claude Sonnet 4.6 Programming Comparison: 6-Dimensional Benchmark Test, Which Is the Strongest Coding Large Language Model of 2026?
ByAPIYI - Stable and affordable AI API 2026年 4月 10日

In April 2026, the two coding models most frequently discussed among developers in mainland China were GLM-5.1 and Claude Sonnet 4.6. The former was just open-sourced by Z.ai (formerly Zhipu) under the MIT license, topping the global open-source coding leaderboard by scoring 58.4 on SWE-Bench Pro, surpassing Claude Opus 4.6, GPT-5.4, and Gemini 3.1 Pro….

Read More GLM-5.1 vs Claude Sonnet 4.6 Programming Comparison: 6-Dimensional Benchmark Test, Which Is the Strongest Coding Large Language Model of 2026?
Announcements

GLM-5.1 API is now open source and available on APIYI: 7 key points analyzing this new open-source king that topped SWE-Bench Pro
ByAPIYI - Stable and affordable AI API 2026年 4月 10日

On April 7, 2026, Z.ai (formerly Zhipu AI) officially released the full weights of GLM-5.1 under the MIT license to the Hugging Face repository zai-org/GLM-5. This release immediately caused a stir in the English-speaking AI community—not just because it's "another open-source Large Language Model," but because it topped the global charts on the SWE-Bench Pro…

Read More GLM-5.1 API is now open source and available on APIYI: 7 key points analyzing this new open-source king that topped SWE-Bench Pro
LLM API News

What is Muse Spark? Understand Meta’s brand new most powerful AI model in 5 minutes
ByAPIYI - Stable and affordable AI API 2026年 4月 9日

If you’ve been hearing everyone talk about "Muse Spark" lately but aren't quite sure how it fits in with Llama 4, ChatGPT, or Claude, this guide is for you. Muse Spark is the brand-new flagship Large Language Model released by Meta on April 8, 2026—it’s the first fully self-developed model launched since the formation of…

Read More What is Muse Spark? Understand Meta’s brand new most powerful AI model in 5 minutes
Model Selection & Comparison | Video AI API

Happy Horse 1.0 vs Seedance 2.0 Full Comparison: In-depth Analysis Across 6 Dimensions
ByAPIYI - Stable and affordable AI API 2026年 4月 9日

On April 7, 2026, a mysterious video model called Happy Horse 1.0 dropped into the Artificial Analysis Video Arena, instantly dethroning the previous champion, Seedance 2.0. One is an anonymous, "generation-gap" dark horse with almost no public information; the other is a "director-level" tool-oriented model officially released by ByteDance in March. So, which one is…

Read More Happy Horse 1.0 vs Seedance 2.0 Full Comparison: In-depth Analysis Across 6 Dimensions
Video AI API

What is Sand AI? A comprehensive analysis of the 6 key points of the open-source video generation dark horse created by the Swin Transformer team
ByAPIYI - Stable and affordable AI API 2026年 4月 9日

If you've been seeing the name Sand AI popping up repeatedly on Hugging Face, GitHub, or AI Twitter lately, and you're curious about their MAGI-1 / MAGI-1.1 models, this article is for you. Unlike many "overnight" video model teams, Sand AI has some serious technical pedigree: its CEO, Cao Yue, is a core author of…

Read More What is Sand AI? A comprehensive analysis of the 6 key points of the open-source video generation dark horse created by the Swin Transformer team
Video AI API

What is Magi AI? Understand Sand AI open-source autoregressive video model in 5 minutes
ByAPIYI - Stable and affordable AI API 2026年 4月 9日

If you've recently seen people buzzing about "Magi AI" or "MAGI-1" but aren't sure how it differs from Sora, Kling, or Veo, this guide is for you. Magi AI is a fascinating open-source video generation model from Sand AI—it's the world's first "autoregressive video generation model" to reach top-tier performance, and it supports infinite-length video…

Read More What is Magi AI? Understand Sand AI open-source autoregressive video model in 5 minutes
LLM API News

What is Hermes Agent? Understand this self-evolving open-source AI agent in 5 minutes
ByAPIYI - Stable and affordable AI API 2026年 4月 8日

If you’ve been seeing "Hermes Agent" pop up on Twitter / X lately and aren't sure what the buzz is about, this guide is for you. Hermes Agent is an open-source, "self-evolving" AI agent framework released by Nous Research in 2026. Its core superpower? It learns from every conversation you have, summarizing new skills, improving…

Read More What is Hermes Agent? Understand this self-evolving open-source AI agent in 5 minutes
AI Model Troubleshooting | Image Generation API

Nano Banana Pro Unsupported file URI type error complete troubleshooting: 5 major causes and a one-time fix
ByAPIYI - Stable and affordable AI API 2026年 4月 8日

Recently, a customer encountered a very "Google-style" 400 error while using Nano Banana Pro (model ID: gemini-3-pro-image-preview) for image-to-image tasks: { "status_code": 400, "error": { "message": "Unsupported file URI type: {{ $json.imageUrls }}. File URI must be a File API (e.g. https://generativelanguage.googleapis.com/files/<id>), Youtube (e.g. https://www.youtube.com/watch?v=<id>), or HTTPS (e.g. http://path/to/file).), or a valid gURI (e.g. gs://bucket/object",…

Read More Nano Banana Pro Unsupported file URI type error complete troubleshooting: 5 major causes and a one-time fix