Claude Haiku 4.5 API Cost Calculator

Anthropic's Claude Haiku 4.5: $1/M input · $5/M output · $0.1/M cached input. Price your own workload below.

Presets:

What Claude Haiku 4.5 costs in practice

WorkloadInputOutputCost
Short chat message500250$0.0018
10-page document + summary7,000500$0.0095
Agent / coding session50,00010,000$0.100
1M tokens in + 1M out1,000,0001,000,000$6.00

Claude Haiku 4.5 vs nearest rivals

Closest-priced alternatives on a mixed 10K-input / 2K-output request:

ModelInput $/MTokOutput $/MTokMixed request
Claude Haiku 4.5$1$5$0.020
o4-mini$1.1$4.4$0.020
Gemini 3.6 Flash$1.5$7.5$0.030
Mistral Medium 3.5$1.5$7.5$0.030

Frequently asked questions

How much does the Claude Haiku 4.5 API cost?

Claude Haiku 4.5 costs $1 per million input tokens and $5 per million output tokens, with cached input at $0.1 per million (90% off).

How much does a typical chat message cost with Claude Haiku 4.5?

A short chat message (about 500 input and 250 output tokens) costs roughly $0.0018 with Claude Haiku 4.5. At 1,000 such requests a day, that is about $52.50 per month.

Is Claude Haiku 4.5 cheap compared to similar models?

Claude Haiku 4.5 has the #11 cheapest input rate of the 26 models we track. On a mixed workload (10K input / 2K output), it costs $0.020 per request, versus $0.020 for o4-mini and $0.030 for Gemini 3.6 Flash.

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Last updated 2026-08-03. Prices verified againstAnthropic's official pricing page; see themethodology.