Free tool

AI Cost Calculator

Estimate your monthly LLM bill across OpenAI, Anthropic, Google, and others in 30 seconds. See savings from prompt caching, batching, and provider switching. No signup to use.

Inputs
Prompt + system + history
Model response length
Total API calls across all users
Optimizations
Repeated system prompts / context. OpenAI & Anthropic both support.
Estimated cost
GPT-4o — per month
$875.00
= $0.0088 per request · $10.50K / year
Baseline (no opts)
$875.00
Same volume, no caching, no batching
You save
0%
Toggle optimizations →
💡 SWAP SUGGESTION
Switching GPT-4oGemini 2.0 Flash would cost $35.00/mo — a further 96% reduction.
Caveat: quality varies — we benchmark on your real prompts during the audit.
SAVE THIS ESTIMATE
Email yourself a PDF + we'll send a no-pitch audit checklist (3 quick wins).

PRICING LAST VERIFIED 2026-04 · ESTIMATES ONLY · YOUR ACTUAL BILL DEPENDS ON CACHING, TIER NEGOTIATIONS, AND USAGE PATTERNS

Cost audit

Your real bill is probably 40–60% higher.

We audited 14 SaaS teams in Q1 2026. Median actual spend was 47% above their forecast — runaway agent loops, no caching, wrong model tier, no prompt deduplication. Median savings after our audit: 60%.

Get a free 30-min cost audit● No prep needed · Bring your bill · 30 min