Best AI APIs for Developers 2026: Rate Limits, Pricing, and Ergonomics
Detailed breakdown of the best AI APIs in 2026, ElevenLabs, Anthropic, OpenAI, Deepgram, Vapi, Retell, Fal.ai, Replicate. Rate limits, per-call costs, SDK.
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4 articles tagged api. Browse the full blog.
Prompt Caching Deep Dive: How to Cut Anthropic API Costs by 90%
How Anthropic prompt caching works, what the 90% discount means in practice, and how to structure prompts to maximize cache hit rates with real cost examples.
Tool Use Patterns for LLMs in 2026: Parallel Calls, Error Handling, Schema Design
Designing tool/function calling for LLMs in 2026. Parallel tool calls, error recovery, schema design, and patterns that actually work in production.
Structured Outputs from LLMs in 2026: JSON Schema, Pydantic, Zod Compared
How to get reliable structured output from LLMs in 2026. JSON schema mode, Pydantic, Zod, and provider differences across OpenAI, Anthropic, and Google.