GPT Cost Calculator: Estimate OpenAI Bills Before You Ship — LLM Cost Calculator
Use a gpt cost calculator to estimate OpenAI API spend across GPT-5.5, GPT-5.4 Mini, and legacy tiers. Includes formulas, examples, and budget guardrails.
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Original guides for teams comparing API pricing, local GPU inference, and hybrid LLM deployment choices.
Use a gpt cost calculator to estimate OpenAI API spend across GPT-5.5, GPT-5.4 Mini, and legacy tiers. Includes formulas, examples, and budget guardrails.
Read guideCompare LLM API pricing across OpenAI, Anthropic, Google, Groq, and DeepSeek. See real monthly costs at 50M–500M tokens with our llm api pricing comparison.
Read guideCompare the real cost of self-hosted LLMs vs cloud APIs. Hardware, electricity, and engineering costs with break-even analysis by monthly token volume.
Read guideStep-by-step guide to using an LLM cost calculator. Learn what inputs matter, how to estimate token volume accurately, and how to apply batch and caching discounts.
Read guideSelf hosted LLM vs cloud cost breakdown: GPU purchase, rental, and power vs API bills at 50M–1B tokens/month. Find your crossover point with real numbers.
Read guideExact pricing for every Claude model — Haiku, Sonnet, and Opus — with monthly cost estimates, a comparison to GPT-4 and Gemini, and guidance on which tier to choose.
Read guideLearn how input tokens, output tokens, context windows, caching, and traffic patterns affect monthly LLM API bills.
Read guideCompare buying or renting GPUs with using hosted LLM APIs across cost, uptime, maintenance, and scaling risk.
Read guideA buyer's guide to comparing major LLM families beyond headline token prices.
Read guideUnderstand the practical economics of running smaller open-source LLMs on an RTX 4090.
Read guideA practical framework for choosing cloud APIs, self-hosted models, or a hybrid LLM setup.
Read guideFull pricing breakdown for every current GPT-5 model — GPT-5.5, GPT-5.4, GPT-5.4 Mini, and GPT-5.4 Nano — with monthly cost estimates and a comparison to Claude and Gemini.
Read guideCompare the most affordable LLM APIs across all major providers. From $0.03/1M tokens to budget tiers from OpenAI, Google, and Anthropic — find the lowest cost option for your workload.
Read guideExact pricing for every current Gemini model — Gemini 3.5 Flash, Gemini 3.1 Pro, and Flash-Lite — with monthly cost estimates and a comparison to Claude and GPT-5.
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