Claude 3.5 Haiku vs Claude Haiku 4.5
Pricing verdict: Claude 3.5 Haiku vs Claude Haiku 4.5: Claude 3.5 Haiku is cheaper for input-heavy usage ($0.80/M vs $1.00/M input tokens), while Claude 3.5 Haiku is better for long-context tasks (200,000 tokens).
Direct answer: choose Claude 3.5 Haiku for lower token spend and choose Claude 3.5 Haiku when your workload needs longer context.
Compare API pricing, input and output token costs, context windows, and monthly estimates on one page so you can pick the right model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Claude 3.5 Haiku
Claude Haiku 4.5
Cost Differences
Claude Haiku 4.5 costs more than Claude 3.5 Haiku
Quick Recommendation
Winner for direct API pricing: Claude 3.5 Haiku. At the default workload, Claude 3.5 Haiku saves about $2.10/month ($25.55/year) versus Claude Haiku 4.5.
Feature Comparison
| Feature | Claude 3.5 Haiku | Claude Haiku 4.5 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input Price | $0.80/1M tokens | $1.00/1M tokens |
| Output Price | $4.00/1M tokens | $5.00/1M tokens |
| Context Window | 200,000 tokens | 200,000 tokens |
| Max Output | 8,192 tokens | 64,000 tokens |
| Category | efficient | efficient |
| Capabilities | textvision | textvision |
| Release Date | 11/4/2024 | 10/15/2025 |
Claude 3.5 Haiku vs Claude Haiku 4.5: Which Should You Choose?
Choosing between Claude 3.5 Haiku and Claude Haiku 4.5 depends on your priorities: cost efficiency, context length, or raw capability. Claude 3.5 Haiku is the more affordable option at $0.80/1M input tokens — 20% cheaper than Claude Haiku 4.5.
Both models are in the efficient category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: Claude 3.5 Haiku would save you roughly $210.00/month compared to Claude Haiku 4.5. For startups and indie developers, that difference can be significant.
Output costs matter too. Claude 3.5 Haiku charges $4.00/1M 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 3.5 Haiku has the edge here at $4.00/1M 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 Haiku when:
- • Budget is a primary concern
- • You're already using Anthropic's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose Claude Haiku 4.5 when:
- • 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
Pros and Caveats at a Glance
Claude 3.5 Haiku
- • Input pricing: $0.80/M tokens
- • Output pricing: $4.00/M tokens
- • Context window: 200,000 tokens
- • Max output: 8,192 tokens
Watch out for
- • Trade-offs are minor in this matchup.
Claude Haiku 4.5
- • Input pricing: $1.00/M tokens
- • Output pricing: $5.00/M tokens
- • Context window: 200,000 tokens
- • Max output: 64,000 tokens
Watch out for
- • Higher input cost than Claude 3.5 Haiku
- • Higher output cost than Claude 3.5 Haiku
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Claude 3.5 Haiku (Anthropic)
Claude Haiku 4.5 (Anthropic)
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Sign Up for Anthropic →Frequently Asked Questions
Which is cheaper, Claude 3.5 Haiku or Claude Haiku 4.5?▼
What is the context window difference between Claude 3.5 Haiku and Claude Haiku 4.5?▼
Which model is better for AI Chatbot?▼
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