Claude 3.5 Sonnet vs Claude Haiku 4.5

Compare Anthropic and Anthropic AI models

Anthropic

Claude 3.5 Sonnet

Anthropic

Claude Haiku 4.5

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Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Claude 3.5 Sonnet

Per Request:$0.0105

Daily:$1.05

Monthly:$31.50

Yearly:$383.25

Claude Haiku 4.5

Per Request:$0.003500

Daily:$0.35

Monthly:$10.50

Yearly:$127.75

Cost Differences

$0.007000

Per Request

$0.70

Daily

$21.00

Monthly

$255.50

Yearly

Claude Haiku 4.5 costs less than Claude 3.5 Sonnet

Feature Comparison

Feature	Claude 3.5 Sonnet	Claude Haiku 4.5
Provider	Anthropic	Anthropic
Input Price	$3.00/1M tokens	$1.00/1M tokens
Output Price	$15.00/1M tokens	$5.00/1M tokens
Context Window	200,000 tokens	200,000 tokens
Max Output	8,192 tokens	64,000 tokens
Category	balanced	efficient
Capabilities	textvisioncode	textvision
Release Date	10/22/2024	10/15/2025

Claude 3.5 Sonnet vs Claude Haiku 4.5: Which Should You Choose?

Choosing between Claude 3.5 Sonnet and Claude Haiku 4.5 depends on your priorities: cost efficiency, context length, or raw capability. Claude Haiku 4.5 is the more affordable option at $1.00/1M input tokens — 67% cheaper than Claude 3.5 Sonnet.

These models target different tiers: Claude 3.5 Sonnet is a balanced model while Claude Haiku 4.5 is efficient. This means they're optimized for different workloads. Claude Haiku 4.5 targets more demanding workloads, while Claude 3.5 Sonnet provides a cost-effective option for everyday tasks.

Output costs matter too. Claude 3.5 Sonnet charges $15.00/1M output tokens vs $5.00 for Claude Haiku 4.5. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Claude Haiku 4.5 has the edge here at $5.00/1M output tokens.

Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.

Best Use Cases

Choose Claude 3.5 Sonnet when:

• You need more capabilities (code)
• You're already using Anthropic's API ecosystem

Choose Claude Haiku 4.5 when:

• Budget is a primary concern
• You need longer outputs (up to 64,000 tokens)
• You're already using Anthropic's API ecosystem
• You're running high-volume, latency-sensitive workloads

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Claude 3.5 Sonnet (Anthropic)

Cost Calculator

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Claude Haiku 4.5 (Anthropic)

Cost Calculator

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Frequently Asked Questions

Which is cheaper, Claude 3.5 Sonnet or Claude Haiku 4.5?▼

Claude Haiku 4.5 is cheaper for input tokens at $1.00 per million tokens vs $3.00 for Claude 3.5 Sonnet — that's 67% savings on input costs.

What is the context window difference between Claude 3.5 Sonnet and Claude Haiku 4.5?▼

Claude 3.5 Sonnet supports 200,000 tokens while Claude Haiku 4.5 supports 200,000 tokens — a difference of 0 tokens in favor of Claude 3.5 Sonnet.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, Claude Haiku 4.5 is the lower-cost option, while Claude 3.5 Sonnet offers a larger context window (200,000 vs 200,000 tokens). Choose Claude Haiku 4.5 for budget sensitivity or Claude 3.5 Sonnet for longer context tasks.

Which model has better overall pricing for heavy usage?▼

At 100 requests/day with 1,000 input and 500 output tokens each, Claude 3.5 Sonnet costs about $31.50/month and Claude Haiku 4.5 costs about $10.50/month. Overall, Claude Haiku 4.5 has lower combined input + output rates ($1.00 in, $5.00 out) vs Claude 3.5 Sonnet.