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Claude Sonnet 4 vs GPT-5 nano
Comprehensive side-by-side LLM comparison
GPT-5 nano leads with 5.3% higher average benchmark score. GPT-5 nano offers 200.0K more tokens in context window than Claude Sonnet 4. GPT-5 nano is $17.55 cheaper per million tokens. Claude Sonnet 4 is available on 4 providers. Overall, GPT-5 nano is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4 was created as the balanced offering in the Claude 4 family, designed to provide strong intelligence with practical speed and cost efficiency. Built to serve as a versatile workhorse for diverse applications, it balances advanced capabilities with operational considerations for everyday enterprise and consumer use.
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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.
2 months newer
Claude Sonnet 4
Anthropic
2025-05-22
GPT-5 nano
OpenAI
2025-08-07
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Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4
Input:$3.00
Output:$15.00
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GPT-5 nano
Input:$0.05
Output:$0.40($17.55 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude Sonnet 4
Average Score:73.0%
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GPT-5 nano
Average Score:78.2%(+5.3%)
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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 Sonnet 4
4 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4
Avg Score:73.0%
Providers:4
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GPT-5 nano
Avg Score:78.2%(+5.3%)
Providers:2