Source: https://aiprimetech.io/blog/tag/api/ [← All posts](/blog/) # API 20 articles tagged API — guides, news and pricing for the Claude, GPT & Gemini APIs. [ News ### GPT-6.1 Sol: Cheaper Cached Input, What Changed From GPT-6 Sol and How It Fits Codex Explore gpt-6.1 sol pricing, cheaper cached input, benchmark changes from GPT-6 Sol, and Codex defaults and availability as of September 30, 2026. Sep 30, 2026 ](/blog/gpt-6-1-sol-release/) [ News ### Claude Sonnet 5.5 Launches: Pricing, What's New and Haiku 5.5 on the Way Explore claude sonnet 5.5 pricing, benchmark gains, API migration changes and context limits, plus what is known about the upcoming Haiku 5.5 release. Sep 29, 2026 ](/blog/claude-sonnet-5-5-release/) [ News ### Claude Pro and Max Limits After the Permanent 25% Claude Code Increase Understand claude pro limits after the permanent 25% Claude Code weekly increase, how Max limits work, and when extra usage makes sense for developers. Sep 16, 2026 ](/blog/claude-pro-max-limits-25-percent-increase/) [ Dev Guides ### CLAUDE_CODE_MAX_OUTPUT_TOKENS Explained: Output Limits and Plugin Folders in Claude Code 2.1.265 Understand claude_code_max_output_tokens in Claude Code 2.1.265, including verified model limits, plugin folder loading, and the 1 GB tool-data cap. Sep 10, 2026 ](/blog/claude-code-max-output-tokens/) [ News ### GPT-6 Astra: Launch Details, Pricing, Codex Computer Use and How It Compares With Claude Opus Explore gpt-6 astra launch details, API pricing, Codex computer use, migration requirements, and comparisons with Claude Opus 5 as of September 5, 2026. Sep 5, 2026 ](/blog/gpt-6-astra-release/) [ News ### Claude Fable 5.1: What Changed From Fable 5, Pricing, Cache Reads and API Breaking Changes Explore claude fable 5.1 changes from Fable 5, API pricing, cheaper cache reads, forced tool errors, thinking compatibility, and launch availability. Sep 2, 2026 ](/blog/claude-fable-5-1-release/) [ Tools ### CC Switch for Claude Code: Managing Accounts, Providers, and Configs Manage Claude Code accounts, API providers, and configurations efficiently with CC Switch for faster, safer development workflows. Jul 22, 2026 ](/blog/cc-switch-claude-code-account-provider-manager/) [ Engineering ### Why Claude Code Sends 33k Tokens Before Your Prompt (And What to Do) Discover why Claude Code sends 33k tokens of system context before your prompt and learn practical strategies to optimize token us Jul 13, 2026 ](/blog/claude-code-token-overhead-startup/) [ API ### Anthropic's Content Classifiers: Why They're Too Strict for Creative AI Exploring why Anthropic's content classifiers limit creative AI potential and how stricter filters impact writers, artists, and st Jul 11, 2026 ](/blog/anthropic-content-classifiers-fable-creative-writing/) [ News ### Hands-On with Claude Opus 4.7: Strengths, Context Window & Real Use Cases Hands-on review of Claude Opus 4.7: key strengths, context window limits, workflows, and practical AI use cases. Jun 28, 2026 ](/blog/claude-opus-4-7-model/) [ Agents ### Keeping Agent Loops From Burning Your API Budget Practical tactics to keep agent loops efficient, reduce wasted calls, and protect your API budget without slowing delivery. Jun 25, 2026 ](/blog/agent-cost-control/) [ News ### Hands-On with Qwen3.6 35B A3B: Strengths, Context Window & Real Use Cases Hands-on review of Qwen3.6 35B A3B covering strengths, context window, performance, and practical AI use cases. Jun 24, 2026 ](/blog/qwen3-6-35b-a3b-model/) [ API ### Handling Rate Limits and Retries on LLM APIs Practical strategies for handling LLM API rate limits with retries, backoff, jitter, and resilient error handling. Jun 23, 2026 ](/blog/rate-limits-and-retries/) [ API ### Streaming LLM Responses: Why It Matters for UX and Cost Learn how streaming LLM responses improve perceived speed, reduce wait times, enhance UX, and help manage AI product costs. Jun 22, 2026 ](/blog/streaming-api-guide/) [ API ### Choosing the Right Model for the Job (and the Budget) Learn how to match AI models to tasks, balance performance and cost, and choose the right option for your budget. Jun 21, 2026 ](/blog/choosing-the-right-model-cost/) [ API ### Engineering Lower Token Usage Without Hurting Quality Practical engineering tactics to cut token usage while preserving output quality, reliability, and user experience in AI systems. Jun 20, 2026 ](/blog/reduce-llm-token-usage/) [ API ### OpenRouter vs Going Direct: Picking How You Call LLMs Compare OpenRouter vs direct LLM APIs on cost, reliability, routing, privacy, and control to choose the best integration path. Jun 18, 2026 ](/blog/openrouter-vs-direct-api/) [ API ### Prompt Caching, Explained: When It Saves Money and When It Does Not Learn how prompt caching cuts LLM costs, when cached tokens help, and where it won’t save money in real workflows. Jun 17, 2026 ](/blog/prompt-caching-explained/) [ API ### How to Cut Your Claude API Bill: A Practical Token-Cost Guide Learn practical ways to reduce Claude API costs by cutting token usage, optimizing prompts, and managing outputs more efficiently. Jun 16, 2026 ](/blog/cut-claude-api-costs-guide/) [ Dev Guides ### Getting Started with Claude API in 5 Minutes From signup to first Claude API call in 5 minutes. Step-by-step guide with Python, TypeScript, and curl examples. Get a Claude Opu May 16, 2026 ](/blog/getting-started/)