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Claude 3 Opus vs o3-mini
Comprehensive side-by-side LLM comparison
o3-mini leads with 16.5% higher average benchmark score. Claude 3 Opus offers 100.0K more tokens in context window than o3-mini. o3-mini is $84.50 cheaper per million tokens. Claude 3 Opus supports multimodal inputs. Overall, o3-mini is the stronger choice for coding tasks.
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Anthropic
Claude 3 Opus was developed as the most capable model in the Claude 3 family, designed to set new industry benchmarks across a wide range of cognitive tasks. Built to handle complex analysis and extended tasks requiring deep reasoning, it balanced frontier intelligence with careful safety considerations, representing the flagship tier of the Claude 3 generation.
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OpenAI
o3-mini was created as an efficient variant of the o3 reasoning model, designed to provide advanced thinking capabilities with reduced computational requirements. Built to make next-generation reasoning accessible to a broader range of applications, it balances analytical depth with practical speed and cost considerations.
11 months newer
Claude 3 Opus
Anthropic
2024-02-29
o3-mini
OpenAI
2025-01-30
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3 Opus
Input:$15.00
Output:$75.00
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o3-mini
Input:$1.10
Output:$4.40($84.50 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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Claude 3 Opus
Average Score:72.0%
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o3-mini
Average Score:88.5%(+16.5%)
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Knowledge Cutoff
Training data recency comparison
o3-mini
2023-09-30
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 Opus
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 120 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3 Opus
Avg Score:72.0%
Providers:3
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o3-mini
Avg Score:88.5%(+16.5%)
Providers:2