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Claude Opus 4.8 vs Claude Haiku 4.5

Token pricing, context window and real monthly cost, side by side. Claude Haiku 4.5 is the cheaper of the two for a typical workload — about 5.0× less.

cheaper for a typical workload
Claude Haiku 4.5
saves 80% vs Claude Opus 4.8 at 1,500 in / 500 out × 200,000/mo
Claude Opus 4.8 $4,000/mo
Claude Haiku 4.5 $800/mo
Claude Opus 4.8 versus Claude Haiku 4.5 specifications and price.
metric Claude Opus 4.8 Claude Haiku 4.5
Input / 1M $5.00 $1.00
Output / 1M $25.00 $5.00
Context 1M 200K
Cost @ typical workload $4,000/mo $800/mo
Modality text + image text + image
Price source list list
Provider Anthropic Anthropic

Snapshot . Cost uses a typical workload; tune it in the calculator. How we measure →

Which should you pick?

On a typical workload, Claude Haiku 4.5 costs $800/mo against Claude Opus 4.8's $4,000/mo — roughly 5.0× cheaper. But the ranking depends on your output-to-input ratio: output is the pricier direction for both, so an output-heavy job (code generation, long answers) widens the gap while an input-heavy one (summarization, retrieval) narrows it. If you need to fit more in a single prompt, Claude Opus 4.8 has the larger 1M-token window (~1,500 pages).

These are list and routed market prices, not measured outcomes. Two models at the same rate can still cost different amounts to finish the same task, because verbose or reasoning-heavy models emit more tokens. That gap is exactly what measured cost-per-task captures.

Frequently asked questions

Is Claude Opus 4.8 or Claude Haiku 4.5 cheaper?

For a typical workload (1,500 input + 500 output tokens × 200,000 requests/month), Claude Haiku 4.5 costs $800/mo versus $4,000/mo for Claude Opus 4.8 — about 5.0× less. Because output is priced higher than input, the winner can flip if your workload writes much more or less than this; check your own numbers in the calculator.

What's the main difference between Claude Opus 4.8 and Claude Haiku 4.5?

On price, Claude Opus 4.8 is $5.00/$25.00 per 1M (in/out) and Claude Haiku 4.5 is $1.00/$5.00. Claude Opus 4.8 has the larger context window at 1M tokens.

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