Comparison

Claude Haiku 4.5 vs Claude Opus 4.8

Per input token, Claude Haiku 4.5 runs 80% cheaper than Claude Opus 4.8. Output pricing favors Claude Haiku 4.5, 80% less per token than Claude Opus 4.8. Claude Opus 4.8 accepts more context per request than Claude Haiku 4.5.

FieldClaude Haiku 4.5
Claude Opus 4.8
ProviderAnthropicAnthropic
Context window200K1M
Max output64K128K
Input / 1M$1.0080% cheaper$5.00
Output / 1M$5.0080% cheaper$25.00
Cached input / 1M$0.1080% cheaper$0.50
Batch discount50%50%
Release date2025-10-01

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Haiku 4.5Claude Opus 4.8

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$180.00cheaper$900.00

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$285.00cheaper$1,425

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$137.50cheaper$687.50

Claude Haiku 4.5 vs Claude Opus 4.8 FAQ

Is Claude Haiku 4.5 cheaper than Claude Opus 4.8?
Claude Haiku 4.5 costs $1.00 per 1M input tokens versus $5.00 for Claude Opus 4.8 — Claude Haiku 4.5 is 80% cheaper per input token.
Which is cheaper for output tokens, Claude Haiku 4.5 or Claude Opus 4.8?
Claude Haiku 4.5 charges $5.00 per 1M output tokens; Claude Opus 4.8 charges $25.00 per 1M output tokens.
Which has the larger context window, Claude Haiku 4.5 or Claude Opus 4.8?
Claude Opus 4.8 does, with a 1,000,000-token context window.
Do Claude Haiku 4.5 and Claude Opus 4.8 offer cache pricing?
Claude Haiku 4.5 discounts cached input to $0.10 per 1M tokens. Claude Opus 4.8 discounts cached input to $0.50 per 1M tokens.

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