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Claude Haiku 4.5 vs o1
Comprehensive side-by-side LLM comparison
Claude Haiku 4.5 leads with 7.5% higher average benchmark score. Claude Haiku 4.5 offers 100.0K more tokens in context window than o1. Claude Haiku 4.5 is $69.00 cheaper per million tokens. Claude Haiku 4.5 supports multimodal inputs. Overall, Claude Haiku 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude Haiku 4.5 continues Anthropic's tradition of fast, efficient models in the fourth generation Claude family. Designed to maintain the hallmark speed and cost-effectiveness of the Haiku line while incorporating advancements from the Claude 4 series, it serves applications requiring rapid processing and quick turnaround times.
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OpenAI
o1 was developed as part of OpenAI's reasoning-focused model series, designed to spend more time thinking before responding. Built to excel at complex reasoning tasks in science, coding, and mathematics, it employs extended internal reasoning processes to solve harder problems than traditional language models through careful step-by-step analysis.
10 months newer
o1
OpenAI
2024-12-17
Claude Haiku 4.5
Anthropic
2025-10-15
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Pricing Comparison
Cost per million tokens (USD)
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Claude Haiku 4.5
Input:$1.00
Output:$5.00($69.00 cheaper)
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o1
Input:$15.00
Output:$60.00
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Claude Haiku 4.5
Average Score:76.4%(+7.5%)
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o1
Average Score:68.9%
Performance comparison across key benchmark categories
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Claude Haiku 4.5
Coding73.3%(+32.3%)
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o1
Coding41.0%
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Knowledge Cutoff
Training data recency comparison
Claude Haiku 4.5
2025-02-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Haiku 4.5
1 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.3ms
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o1
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Claude Haiku 4.5
Avg Score:76.4%(+7.5%)
Providers:1
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o1
Avg Score:68.9%
Providers:2