Claude Haiku 5.5 Charges 5x More for Prompts Above 100K Tokens
10/18/2026 — 10/18, 17:17·1 sources (all)·1 reports (all)
Key takeaways
- Anthropic's pricing page shows Claude Haiku 5.5 bills prompts above 100K tokens at $0.50 per million input tokens and $2.50 per million outp…
Background & analysis
In October 2026, Anthropic's pricing page listed Claude Haiku 5.5 with a separate tier for prompts above 100,000 tokens: $0.50 per million input tokens and $2.50 per million output tokens, roughly five times the rate for prompts under that threshold. On October 18, a developer writing on DEV Community pointed out that a 99,000-token prompt and a 101,000-token prompt look identical in code, yet on Claude Haiku 5.5 the second one costs about five times as much. The developer's suggested fix is a TypeScript guard that counts tokens before a request is sent, drops the lowest-ranked retrieval chunks once the limit is exceeded, and logs which billing tier was actually hit. The discussion currently rests at this developer-level warning and tooling suggestion; the materials include no further comment from Anthropic.
AI-generated from 1 reports · updated 1 day ago
Latest turnAnthropic's pricing page lists Claude Haiku 5.5 at $0.50 per million input tokens and $2.50 per million output tokens once a prompt passes 100,000 tokens, roughly five times the lower tier. A developer on DEV Community shows a small TypeScript guard that counts tokens before each request, drops the lowest-ranked retrieved chunks until the prompt fits, and logs which tier was actually billed.
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Anthropic's pricing page lists Claude Haiku 5.5 at $0.50 per million input tokens and $2.50 per million output tokens once a prompt passes 100,000 tokens, roughly five times the lower tier. A developer on DEV Community shows a small TypeScript guard that counts tokens before each request, drops the lowest-ranked retrieved chunks until the prompt fits, and logs which tier was actually billed.
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