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Claude Haiku 4.5 vs Claude Sonnet 4.6— Pricing & Token Cost Comparison

Side-by-side API pricing and tokenizer details for Claude Haiku 4.5 (Anthropic) and Claude Sonnet 4.6 (Anthropic).

Side-by-side pricing

FeatureClaude Haiku 4.5Claude Sonnet 4.6
ProviderAnthropicAnthropic
Input (per 1M tokens)$0.800$3.00
Output (per 1M tokens)$4.00$15.00
Context cachingYes — 90% off cached tokensYes — 90% off cached tokens
Batch API discountNot availableNot available
Context window200K tokens200K tokens
TokenizerAnthropic tokenizerAnthropic tokenizer

Real-world cost example

1,000 API requests per month, each with 500 input tokens and 200 output tokens (500K input + 200K output total).

Claude Haiku 4.5
$1.2000
Input: $0.4000 + Output: $0.8000
Claude Sonnet 4.6
$4.5000
Input: $1.5000 + Output: $3.0000

Claude Haiku 4.5 is 73% cheaper for this workload — saving $3.3000 per month at this volume.

Frequently asked questions

Is Claude Haiku 4.5 cheaper than Claude Sonnet 4.6?
Yes, Claude Haiku 4.5 is cheaper for the typical workload above. At $0.800/1M input and $4.00/1M output tokens, it costs $1.2000 versus $4.5000 for Claude Sonnet 4.6 — a 73% difference. Costs scale linearly, so larger workloads amplify this gap.
What is the context window of Claude Haiku 4.5 vs Claude Sonnet 4.6?
Claude Haiku 4.5 supports a 200K token context window. Claude Sonnet 4.6 supports a 200K token context window. A larger context window lets you include more text — documents, conversation history, or code — in a single API call.
Do Claude Haiku 4.5 or Claude Sonnet 4.6 support context caching or batch discounts?
Claude Haiku 4.5 supports context caching (90% off repeated tokens). It does not offer a batch API discount. Claude Sonnet 4.6 supports context caching (90% off repeated tokens). It does not offer a batch API discount.

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Data provenance: Prices sourced directly from provider pricing pages.

Claude Haiku 4.5 prices last verified from Anthropic pricing page.

Claude Sonnet 4.6 prices last verified from Anthropic pricing page.

Prices may change. Always verify against the provider's current pricing page before making purchasing decisions.