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Claude Haiku 4.5

Anthropic
claude-haiku-4-5-20251001Variant

Overview

Claude Haiku 4.5 is Anthropic's fastest, most cost-efficient model, matching Sonnet 4's performance on coding, computer use, and agent tasks. It offers similar performance to Sonnet 4 at one-third the cost and more than twice the speed, making it ideal for high-volume, latency-sensitive applications and multi-agent orchestration.

Claude Haiku 4.5 was released on October 15, 2025. API access is available through Anthropic.

Performance

Timeline

Release DateUnknown
Knowledge CutoffUnknown

Other Details

Parameters
Unknown
License
Proprietary
Training Data
Unknown

Related Models

Compare Claude Haiku 4.5 to other models by quality (GPQA score) vs cost. Higher scores and lower costs represent better value.

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Benchmarks

Claude Haiku 4.5 Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

LLM Stats Logollm-stats.com - Fri Dec 05 2025
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Pricing

Pricing, performance, and capabilities for Claude Haiku 4.5 across different providers:

ProviderInput ($/M)Output ($/M)Max InputMax OutputLatency (s)ThroughputQuantizationInputOutput
Anthropic logo
Anthropic
$1.00$5.00200.0K200.0K0.3100.0 tok/s
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Example Outputs

Recent Posts

Recent Reviews

API Access

API Access Coming Soon

API access for Claude Haiku 4.5 will be available soon through our gateway.

FAQ

Common questions about Claude Haiku 4.5

Claude Haiku 4.5 was released on October 15, 2025.