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Claude 3.5 Haiku vs o3-pro
Comprehensive side-by-side LLM comparison
Claude 3.5 Haiku offers 100.0K more tokens in context window than o3-pro. Claude 3.5 Haiku is $95.20 cheaper per million tokens. o3-pro supports multimodal inputs. Claude 3.5 Haiku is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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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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OpenAI
o3-pro was developed as the flagship reasoning model in the o3 family, designed to deliver maximum reasoning depth and reliability for the most challenging analytical tasks. Built for professionals requiring the highest level of thoughtful problem-solving, it extends reasoning capabilities to handle complex multi-step challenges across diverse domains.
7 months newer
Claude 3.5 Haiku
Anthropic
2024-10-22
o3-pro
OpenAI
2025-06-10
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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($95.20 cheaper)
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o3-pro
Input:$20.00
Output:$80.00
Performance Metrics
Context window and performance specifications
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Knowledge Cutoff
Training data recency comparison
o3-pro
2024-05-31
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 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:0.0%
Providers:3
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o3-pro
Avg Score:0.0%
Providers:1