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LLM cost calculator

Estimate request and monthly API spend across providers. Tune cache hit %, Batch API, and users × messages per day. Same TokenCALC engine as the token counter, cost first.

Cost and monthly spend

Set output length, cache hit rate, Batch API, and volume to project daily, monthly, and yearly API spend.

$0.004226estimated request costExact tokens
Input tokens
65
Output tokens
512
Input cost
$0.00013
Output cost
$0.004096
Characters
306
Words
51

Monthly projector

500 requests/day · 15,000/month

Daily
$2.113
Monthly
$63.39
Yearly
$771.25

Rates in $2.00/1M · out $8.00/1M

Context 577 / 1,000,000 · Verified · official pricing

gpt-tokenizer · o200k_base

Compare models

Same prompt, output size, cache, and batch settings across models.

ModelAccuracyInput tokRequestMonthly
DeepSeek V4 FlashDeepSeek
Approx77$0.000154$2.31
Gemini 2.5 FlashGoogle
Approx77$0.001303$19.55
GPT-4.1OpenAI
Exact65$0.004226$63.39
Claude Sonnet 5Anthropic
Approx77$0.005274$79.11

Related

Cache savings · Batch pricing · Compare models · Providers · Claude guide · Gemini guide · OpenAI guide

Cost calculator FAQ

Is this a separate product from the token calculator?
Same engine, cost first. This view keeps the spend projector and drops the per token visualiser. Tokenizer flips that around, and Home shows both.
How do I estimate monthly spend?
Set output tokens, optional cache hit % and Batch, then enter users and messages per day. The panel projects daily, monthly, and yearly cost.
Are prices live?
Rates are curated from official provider pages and stamped with a last-verified date on each model. Always confirm critical budgets on the provider’s pricing page.