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PopularHow much does it cost to summarize a 300-page PDF?
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PopularCompare H100, A100 and other AI GPU rental prices across 8 cloud providers.
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In-depth articles on AI API pricing, token optimization, and cost comparison.
ChatGPT, Claude and Gemini all have a free tier, and all three ration it differently — by messages, by a rolling time window, or by compute. Here is what a student or self-learner can realistically run on free access in 2026, and when it stops being enough.
OpenAI and Anthropic both cut prices in half for the Batch API, no exceptions and no fine print on the rate. The catch isn't the discount — it's whether your workload can tolerate a 24-hour wait, and most people size that wrong.
Portuguese costs more tokens than English for the exact same sentence — not because it has more words, but because of how tokenizers are trained. Here is the actual size of the gap and three ways to shrink your bill.
OpenAI bills in dollars, but the invoice lands in reais with IOF, a card spread and — for companies — a stack of import taxes on top. The real multiplier is not the exchange rate, and it is closer to 1.5x than to 1.05x.