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TokSpan Blog

AI API insights, product updates, and tutorials from the team.

Prompt EngineeringLLM APIDSPyProduction EngineeringOpenAIAnthropicGemini
Prompt Engineering for LLM APIs: Production Guide 2026

Move beyond "write better instructions." A production-grade guide to prompt versioning, automated optimization with DSPy, provider-specific quirks, and CI/CD for prompts —with code.

RAGLLM APIEmbeddingsVector DatabaseProduction Guide
RAG with LLM APIs: Complete Production Guide 2026

Build a production-ready RAG pipeline with LLM APIs. Covers chunking, embeddings, vector search, reranking, and evaluation —with runnable Python code for every step.

Structured OutputJSON ModeOpenAIAnthropicGeminiLLM API
Structured Output & JSON Mode: OpenAI vs Anthropic vs Gemini

Get consistent JSON from every LLM API. Compare structured output implementations across OpenAI, Anthropic, and Gemini — constrained decoding, schema definitions, and cross-provider wrapper code.