Comprehensive side-by-side LLM comparison
Grok-3 Mini leads with 9.2% higher average benchmark score. GPT-5 nano offers 392.0K more tokens in context window than Grok-3 Mini. Both models have similar pricing. Overall, Grok-3 Mini is the stronger choice for coding tasks.
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.
xAI
Grok 3 Mini was developed as an efficient version of Grok 3, designed to bring next-generation capabilities to resource-conscious deployments. Built to provide strong performance with practical efficiency, it extends Grok 3's innovations to broader application scenarios.
5 months newer

Grok-3 Mini
xAI
2025-02-17

GPT-5 nano
OpenAI
2025-08-07
Cost per million tokens (USD)

GPT-5 nano

Grok-3 Mini
Context window and performance specifications
Average performance across 2 common benchmarks

GPT-5 nano

Grok-3 Mini
GPT-5 nano
2024-05-30
Grok-3 Mini
2024-11-17
Available providers and their performance metrics

GPT-5 nano
OpenAI
ZeroEval


GPT-5 nano

Grok-3 Mini

GPT-5 nano

Grok-3 Mini
Grok-3 Mini
xAI