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Claude 3 Opus vs GPT-5 nano
Comprehensive side-by-side LLM comparison
GPT-5 nano leads with 20.8% higher average benchmark score. GPT-5 nano offers 128.0K more tokens in context window than Claude 3 Opus. GPT-5 nano is $89.55 cheaper per million tokens. Overall, GPT-5 nano 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 Nano was developed as the most compact variant in the GPT-5 family, designed for deployment in resource-constrained environments and edge computing scenarios. Built to bring next-generation AI capabilities to devices and applications where latency and efficiency are paramount, it distills GPT-5 innovations into a minimal footprint.
1 year newer
Claude 3 Opus
Anthropic
2024-02-29
GPT-5 nano
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 nano
Input:$0.05
Output:$0.40($89.55 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 nano
Average Score:71.2%(+20.8%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 nano
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 nano
Avg Score:71.2%(+20.8%)
Providers:2