Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

OpenAI

GPT-5 nano

OpenAI

GPT-5 nano is a multimodal language model developed by OpenAI. The model shows competitive results across 5 benchmarks. It excels particularly in AIME 2025 (85.2%), HMMT 2025 (75.6%), GPQA (71.2%). It supports a 528K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.

xAI

Grok-3 Mini

xAI

Grok-3 Mini is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 87.8% across 4 benchmarks. It excels particularly in AIME 2024 (95.8%), AIME 2025 (90.8%), GPQA (84.0%). The model shows particular specialization in general tasks with an average performance of 90.2%. It supports a 136K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.

xAI

Grok-3 Mini

xAI

2025-02-17

OpenAI

GPT-5 nano

OpenAI

2025-08-07

5 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT-5 nano

$0.35 cheaper
Input:$0.05
Output:$0.40
xAI

Grok-3 Mini

Input:$0.30
Output:$0.50

Performance Metrics

Context window and performance specifications

OpenAI

GPT-5 nano

Larger context
Max Context:528.0K
xAI

Grok-3 Mini

Max Context:136.0K

Average performance across 2 common benchmarks

OpenAI

GPT-5 nano

Average Score:78.2%
xAI

Grok-3 Mini

+9.2%
Average Score:87.4%

Performance comparison across key benchmark categories

OpenAI

GPT-5 nano

general
60.2%
xAI

Grok-3 Mini

general
+30.0%
90.2%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

GPT-5 nano

2024-05-30

Grok-3 Mini

2024-11-17

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT-5 nano

2 providers

ZeroEval

Throughput: 500 tok/s
Latency: 0.3ms

OpenAI

Throughput: 500 tok/s
Latency: 0.3ms
xAI

Grok-3 Mini

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
OpenAI

GPT-5 nano

Avg Score:78.2%
Providers:2
xAI

Grok-3 Mini

+9.2%
Avg Score:87.4%
Providers:1