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Claude Haiku 5.5's 100K token threshold dramatically increases costs

Anthropic's Claude Haiku 5.5 has a pricing tier that significantly increases costs once a prompt exceeds 100,000 tokens. This step-up in pricing, where all tokens in a request are billed at a higher rate, can lead to a fivefold increase in cost for a single agent turn if the prompt is just over the 100K threshold. This pricing structure is particularly relevant for applications involving large tool definitions, batch processing, or tokenization differences across models, and developers are advised to monitor token counts closely to avoid unexpected cost escalations. AI

IMPACT Developers using Claude Haiku 5.5 should be aware of the 100K token pricing threshold to manage costs effectively.

RANK_REASON The item discusses pricing tiers and usage implications for an existing model, rather than a new release or significant industry event.

Read on dev.to — LLM tag →

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

Claude Haiku 5.5's 100K token threshold dramatically increases costs

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31 / 100
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Tool
The item discusses pricing tiers and usage implications for an existing model, rather than a new release or significant industry event.
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product, infra
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High
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Breaking (< 6h)
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COVERAGE [1]

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

    Claude Haiku 5.5's 100K line: one extra token can make the whole request 5x

    <p>Claude Haiku 5.5 is cheap at $0.10 input and $0.50 output per 1M tokens, and it has a 1M-token context window. The price sheet also has a step at 100K prompt tokens, and it applies to the whole request. If your agent or batch job sits near that line, the step matters more than…