Cost Optimization
Minimize AI application costs without sacrificing quality. This path covers the complete cost optimization toolkit: model selection, token counting, prompt caching, and batch processing — comparing approaches across Anthropic and OpenAI.
The key insight: cost optimization is not about using cheaper models everywhere. It’s about matching the right model to each task, caching repeated content, batching non-urgent work, and measuring token usage to eliminate waste. A well-optimized pipeline using GPT-4o-mini + caching can cost less than a naive GPT-3.5 implementation.
Steps
- Model selection
openai
beginner
How to choose the right OpenAI model by balancing accuracy, latency, and cost — the fundamental tradeoff triangle for every AI application.
Model selection is the single biggest cost lever — choosing GPT-4o-mini over GPT-4o can reduce costs 10-30x with acceptable quality for many tasks. Start here to understand the accuracy/cost/latency tradeoff triangle.
- Choosing A Model
anthropic-platform
beginner
Anthropic's model lineup (Haiku/Sonnet/Opus) offers a similar cost spectrum. Compare pricing and capabilities with OpenAI's lineup — for many workloads, the right model at the right provider can halve your costs.
- Counting tokens
openai
beginner
Count input tokens precisely for text, images, files, and tools using the Responses API — essential for cost management and context window planning.
You can't optimize what you can't measure. Token counting is essential for understanding where your costs come from — often tool schemas, system prompts, and context consume more tokens than the actual user message.
- Token Counting
anthropic-platform
intermediate
Anthropic's token counting works differently from OpenAI's (different tokenizers, different counting for images). Understanding both is essential if you use multiple providers or need to compare costs accurately.
- Prompt caching
openai
intermediate
Learn how prompt caching reduces latency and cost for long prompts in OpenAI's API.
Prompt caching can dramatically reduce costs for applications with repeated prefixes — system prompts, few-shot examples, and tool schemas. OpenAI caches automatically for identical prefixes, reducing input token costs.
- Prompt Caching
anthropic-platform
intermediate
Cache system prompts and repeated context to reduce latency and costs by up to 90%.
Anthropic's prompt caching requires explicit cache control headers but offers up to 90% cost reduction on cached content. The explicit approach gives you more control than OpenAI's automatic caching. Compare the tradeoffs in implementation complexity vs savings.
- Cost optimization
openai
advanced
Lower your OpenAI model costs by trying our tools and strategies.
OpenAI's comprehensive cost optimization guide covers the full toolkit: model selection, caching, batching, structured outputs to reduce token waste, and monitoring. This ties together all the individual techniques into a coherent strategy.
- Batch API
openai
intermediate
Learn how to use OpenAI's Batch API for processing jobs with asynchronous requests, increased rate limits, and cost efficiency.
The Batch API provides a 50% cost discount for workloads that can tolerate up to 24-hour latency. Ideal for evaluation runs, content generation, data processing, and any non-real-time pipeline.
- Batch Processing
anthropic-platform
intermediate
Anthropic's Message Batches API offers similar cost savings. For multi-provider architectures, routing non-urgent workloads to whichever provider's batch API offers the best price/capability ratio is a powerful optimization strategy.