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Claude 3.5 Haiku vs Claude Opus 4.1
Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 34.4% higher average benchmark score. Claude 3.5 Haiku offers 168.0K more tokens in context window than Claude Opus 4.1. Claude 3.5 Haiku is $85.20 cheaper per million tokens. Claude Opus 4.1 supports multimodal inputs. Overall, Claude Opus 4.1 is the stronger choice for coding tasks.
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Anthropic
Claude 3.5 Haiku was developed as the next generation of Anthropic's fastest model, offering similar speed to Claude 3 Haiku while surpassing Claude 3 Opus on many intelligence benchmarks. Built with low latency, improved instruction following, and accurate tool use, it serves user-facing products, specialized sub-agent tasks, and data-heavy applications.
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Anthropic
Claude Opus 4.1 represents an iteration within the Claude 4 Opus line, built to deliver refined performance in complex reasoning and analysis tasks. Developed as part of Anthropic's flagship tier, it incorporates improvements to the foundational capabilities that define the Opus family of models.
9 months newer
Claude 3.5 Haiku
Anthropic
2024-10-22
Claude Opus 4.1
Anthropic
2025-08-05
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3.5 Haiku
Input:$0.80
Output:$4.00($85.20 cheaper)
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Claude Opus 4.1
Input:$15.00
Output:$75.00
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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Claude 3.5 Haiku
Average Score:39.0%
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Claude Opus 4.1
Average Score:73.4%(+34.4%)
Performance comparison across key benchmark categories
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Claude 3.5 Haiku
Coding40.6%
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Claude Opus 4.1
Coding74.5%(+33.9%)
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.5 Haiku
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.3ms
Bedrock
Throughput: 104 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.5 Haiku
Avg Score:39.0%
Providers:3
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Claude Opus 4.1
Avg Score:73.4%(+34.4%)
Providers:4