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Claude 3 Opus vs GPT-5
Comprehensive side-by-side LLM comparison
GPT-5 leads with 18.5% higher average benchmark score. GPT-5 offers 128.0K more tokens in context window than Claude 3 Opus. GPT-5 is $78.75 cheaper per million tokens. Overall, GPT-5 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 represents the next generation of OpenAI's foundational models, developed to advance the frontier of AI capabilities in reasoning, knowledge, and general intelligence. Built to push beyond the limitations of GPT-4, it incorporates architectural and training improvements designed to enhance performance across diverse tasks and domains.
1 year newer
Claude 3 Opus
Anthropic
2024-02-29
GPT-5
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
Input:$1.25
Output:$10.00($78.75 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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Claude 3 Opus
Average Score:70.5%
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GPT-5
Average Score:89.1%(+18.5%)
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Knowledge Cutoff
Training data recency comparison
GPT-5
2024-09-30
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:70.5%
Providers:3
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GPT-5
Avg Score:89.1%(+18.5%)
Providers:2