Claude 3 Opus vs Claude Haiku 4.5

Compare Anthropic and Anthropic AI models

Anthropic

Claude 3 Opus

Anthropic

Claude Haiku 4.5

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

Claude 3 Opus

Per Request:$0.0525

Daily:$5.25

Monthly:$157.50

Yearly:$1,916.25

Claude Haiku 4.5

Per Request:$0.003500

Daily:$0.35

Monthly:$10.50

Yearly:$127.75

Cost Differences

$0.049

Per Request

$4.90

Daily

$147.00

Monthly

$1,788.50

Yearly

Claude Haiku 4.5 costs less than Claude 3 Opus

Feature Comparison

Feature	Claude 3 Opus	Claude Haiku 4.5
Provider	Anthropic	Anthropic
Input Price	$15.00/1M tokens	$1.00/1M tokens
Output Price	$75.00/1M tokens	$5.00/1M tokens
Context Window	200,000 tokens	200,000 tokens
Max Output	4,096 tokens	64,000 tokens
Category	flagship	efficient
Capabilities	textvisionreasoning	textvision
Release Date	3/4/2024	10/15/2025

Claude 3 Opus vs Claude Haiku 4.5: Which Should You Choose?

Choosing between Claude 3 Opus 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 — 93% cheaper than Claude 3 Opus.

These models target different tiers: Claude 3 Opus is a flagship model while Claude Haiku 4.5 is efficient. This means they're optimized for different workloads. Claude 3 Opus is built for complex tasks that require deeper reasoning, while Claude Haiku 4.5 offers better value for routine operations.

Output costs matter too. Claude 3 Opus charges $75.00/1M 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 Opus when:

• You need more capabilities (reasoning)
• 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 Opus (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 Opus or Claude Haiku 4.5?▼

Claude Haiku 4.5 is cheaper for input tokens at $1.00 per million tokens vs $15.00 for Claude 3 Opus — that's 93% savings on input costs.

What is the context window difference between Claude 3 Opus and Claude Haiku 4.5?▼

Claude 3 Opus supports 200,000 tokens while Claude Haiku 4.5 supports 200,000 tokens — a difference of 0 tokens in favor of Claude 3 Opus.

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 Opus offers a larger context window (200,000 vs 200,000 tokens). Choose Claude Haiku 4.5 for budget sensitivity or Claude 3 Opus 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 Opus costs about $157.50/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 Opus.