2026-01-28
5 min
OpenAI vs Anthropic Pricing: Complete Cost Comparison Guide
GPT-4o vs Claude 3.5 Sonnet pricing breakdown. Input/output costs, batch discounts, and when each provider makes financial sense for your workload.
2026-01-12
3 min
Embedding Model Pricing: OpenAI, Cohere, Voyage Cost Comparison
RAG costs start with embeddings. Per-million-token pricing for text-embedding-3, Cohere embed-v3, Voyage—and when to switch providers to cut costs.
2026-01-10
4 min
Batch vs Live: A Practical Rulebook to Cut LLM Costs by 50%
We all know OpenAI's Batch API offers a 50% discount. So why aren't you using it? Here is a brutal reality check on when to wait 24 hours and when to pay full price.
2026-01-03
5 min
Prompt Caching: How to Get Cache Hits and Reduce Costs
Prompt caching can cut input token costs by 75%, but most apps get zero cache hits. Structure prompts correctly, measure cached_tokens, and stop re-paying for the same prefix.