OpenAI GPT-4o miniMedium confidenceChecked 2026-07-11
Pricing should be verified against the official OpenAI pricing page before purchase.
Cost calculator
LLM API cost calculator
Estimate monthly API spend from model pricing, input tokens, output tokens, and monthly request volume. Prices change often, so treat this as scenario planning and verify official pricing before purchase.
Estimated monthly cost
$0.00
$0.00 per 1,000 requests
Cheapest included option: calculating...
| Provider | Model | Monthly estimate | Per 1,000 requests | Source |
|---|
View pricing sources
OpenAI GPT-4oMedium confidenceChecked 2026-07-11
Pricing should be verified against the official OpenAI pricing page before purchase.
Anthropic Claude Sonnet 4.6High confidenceChecked 2026-07-11
Anthropic official pricing page lists Claude Sonnet 4.6 at $3 / MTok input and $15 / MTok output.
Anthropic Claude Haiku 4.5High confidenceChecked 2026-07-11
Anthropic official pricing page lists Claude Haiku 4.5 at $1 / MTok input and $5 / MTok output.
Google Gemini 2.5 FlashMedium confidenceChecked 2026-07-11
Google Gemini pricing varies by model, modality, tier, and token type. Verify the official Gemini API pricing page before using this value.
Google Gemini 2.5 Flash-Lite PreviewMedium confidenceChecked 2026-07-11
Google official pricing page lists paid-tier input pricing for Gemini 2.5 Flash-Lite Preview. Output pricing should be verified by modality.
DeepSeek DeepSeek V4 Flash non-thinkingMedium confidenceChecked 2026-07-11
DeepSeek official docs state that deepseek-chat and deepseek-reasoner map to deepseek-v4-flash modes and will be deprecated on 2026-07-24. Pricing should be manually verified from the official page before production use.
When to use it
Use the calculator before launching a feature, comparing provider defaults, or deciding whether a smaller routing model can handle routine requests.
Common cost drivers
Long prompts, long responses, retries, agent loops, hidden background jobs, and sending the same context repeatedly can dominate monthly cost.
Source notes
Pricing data lives in JSON so it can be updated as provider rates change. Verify model rates against official provider pages before making buying decisions.
FAQ
Questions teams ask before choosing
How accurate is this LLM API cost calculator?
It is a planning estimate using editable pricing data. Verify official provider pricing before making a purchase decision.
What usually drives monthly LLM API cost?
Request volume, output length, retries, long system prompts, context stuffing, and using premium models for routine tasks usually drive spend.
How should teams reduce LLM API costs?
Route simple requests to cheaper models, cache repeated context, cap output tokens, and measure cost by feature instead of only by provider.