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Claude 3 Opus vs GPT-5 mini
Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 31.9% higher average benchmark score. GPT-5 mini offers 128.0K more tokens in context window than Claude 3 Opus. GPT-5 mini is $87.75 cheaper per million tokens. Overall, GPT-5 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
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
1 year newer
Claude 3 Opus
Anthropic
2024-02-29
GPT-5 mini
OpenAI
2025-08-07
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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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GPT-5 mini
Input:$0.25
Output:$2.00($87.75 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude 3 Opus
Average Score:50.4%
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GPT-5 mini
Average Score:82.3%(+31.9%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 mini
2024-05-30
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:50.4%
Providers:3
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GPT-5 mini
Avg Score:82.3%(+31.9%)
Providers:2