Anthropic released Claude Opus 4.7 on April 16, 2026 — its most capable generally available model to date. Here's everything you need to know: benchmarks, pricing, breaking API changes, adaptive thinking, 3x vision upgrade, and how it stacks up against GPT-5.4, Gemini 3.1 Pro, and the restricted Claude Mythos Preview.
Qwen 3.6 Plus is currently free on OpenRouter with no credit card required. This guide covers API access, code examples in Python and JavaScript, function calling, reasoning features, best use cases, and practical limitations.