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LLMCostCalc tool compares Claude, GPT-5, Gemini API costs

By PulseAugur Editorial · [1 sources] ·

A new browser-based tool, LLMCostCalc, has been developed to help users compare the API costs of various large language models. It allows users to input their daily call volume and prompt sizes to estimate monthly bills for models like Claude Haiku, Sonnet, and Opus, as well as GPT-5 mini, Pro, and the base GPT-5, and Gemini 2.5 Flash and Pro. The calculator highlights significant cost differences, with one scenario showing a 230x spread between the cheapest and most expensive options for the same workload, and also models savings from context caching and distinguishes between input and output token costs. AI

IMPACT Provides a tool for developers to estimate and compare LLM API costs, aiding in budget planning and model selection.

RANK_REASON The item describes a new tool for comparing LLM API costs, not a core AI model release or research.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

LLMCostCalc tool compares Claude, GPT-5, Gemini API costs

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0 / 100
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Newsworthiness bucket
Tool
The item describes a new tool for comparing LLM API costs, not a core AI model release or research.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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product, infra
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High
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Story freshness
115 days old
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COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Dev Encyclopedia ·

    Stop Guessing Your LLM API Bill. Compare Claude, GPT-5, and Gemini Costs Side by Side

    <p>Provider pricing pages show per-token rates. What they don't show is your actual monthly bill based on your call volume, prompt sizes, and whether you're using context caching.</p> <p>So I built <strong>LLMCostCalc</strong>, a free, browser-based calculator that does that math…

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