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Cost & Hardware Calculators › Seat vs. API Token ROI Calculator
EMPIRICAL LLM FINOPS ENGINE•Upstream BerriAI/litellm (4,116 Models) + KV-Cache Read/Write + SWE-bench Pass@1
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AI Coding Seat vs. BYOK Token ROI Calculator (Multi-Turn FinOps)

Most calculators wrongly assume 1 prompt = 1 API call and apply flat discounts to output tokens. We model real multi-step agentic tool loops, upstream KV-cache creation vs. read pricing, unindexed repo file-search waste (missing CLAUDE.md), and SWE-bench Pass@1 retry multipliers.

1. Configure Multi-Turn Agentic Workload

Engineering Team Size5 devs
Agent Turns / Tool Calls per Dev / Day40 / day
Avg Repo Context Sent per Turn24,000 tok
Output + Extended Thinking Tokens / Turn1,200 tok
Steps / Task5 steps
KV-Cache Hit %75%
Raw LiteLLM Primitives & Pass@1 Oracles:
Uncached Input / KV-Write:$3.00 / $3.75 per 1M
KV-Cache Read / Output:$0.30 / $15.00 per 1M
SWE-bench Verified Pass@1:74.2% (1.35x retry loop)
Aider Polyglot Pass Rate:84.5%

2. Empirical Token-Tax Diagnosis & Stack Verdict

Exceeds 500 Fast-Requests/Seat Pool
Unindexed Repo Waste
$120.38/mo
Burned on blind grep/read loops without CLAUDE.md
Cost / Resolved PR (Pass@1)
$0.79 → $0.40
Output tokens = 30.4% of cached bill
Annual FinOps Savings
$4,797.00/yr
LiteLLM Cascade Router (65% Fast/Local + 35% Frontier)
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