
How to Optimize LLM Token Usage and Slash API Bills by 50%
Engineering guide to LLM token optimization: Deploy prompt caching, context compression, and semantic routing to cut inference cloud spend by 60%.
API Cost Optimization & FinOps
Compare frontier API token pricing across GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, and open-source models based on real input/output context ratios.
Most Cost-Efficient Model: Llama 3.3 70b
Migrating from standard GPT-4o to Llama 3.3 70b saves up to 92% on raw API token billing.
Max Projected Annual Savings
$2764 /yr
OpenAI
Anthropic
Meta
At volumes exceeding 500M+ monthly tokens, deploying provisioned throughput (PTU) on Azure or AWS Bedrock can decrease effective latency by 40% and lower unit token costs by 12–18% compared to public multi-tenant APIs.
Detailed Audit
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API calculations account for output token generation cost multipliers (typically 3x to 4x input cost), prompt caching discounts (up to 90% savings on static system instructions), and provisioned throughput limits.
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Engineering guide to LLM token optimization: Deploy prompt caching, context compression, and semantic routing to cut inference cloud spend by 60%.

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