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GPT-5 nano vs Grok-4
Comprehensive side-by-side LLM comparison
Grok-4 leads with 18.0% higher average benchmark score. GPT-5 nano offers 264.0K more tokens in context window than Grok-4. GPT-5 nano is $17.55 cheaper per million tokens. Overall, Grok-4 is the stronger choice for coding tasks.
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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.
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xAI
Grok 4 represents the fourth generation of xAI's language models, developed to continue advancing the frontier of AI reasoning and knowledge. Built to handle increasingly complex tasks with enhanced reliability, it demonstrates xAI's commitment to pushing AI capabilities forward.
29 days newer
Grok-4
xAI
2025-07-09
GPT-5 nano
OpenAI
2025-08-07
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Pricing Comparison
Cost per million tokens (USD)
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GPT-5 nano
Input:$0.05
Output:$0.40($17.55 cheaper)
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Grok-4
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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GPT-5 nano
Average Score:55.0%
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Grok-4
Average Score:73.1%(+18.0%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 nano
2024-05-30
Grok-4
2024-12-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5 nano
2 providers
OpenAI
Throughput: 500 tok/s
Latency: 0.3ms
ZeroEval
Throughput: 500 tok/s
Latency: 0.3ms
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GPT-5 nano
Avg Score:55.0%
Providers:2
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Grok-4
Avg Score:73.1%(+18.0%)
Providers:2