Model Comparison

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

OpenAI

GPT OSS 120B

OpenAI

GPT OSS 120B is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.1% across 2 benchmarks. Notable strengths include GPQA (71.5%), MMLU (54.8%). It supports a 161K 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. It's licensed for commercial use, making it suitable for enterprise applications. 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 OSS 120B

OpenAI

2025-08-05

5 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT OSS 120B

$0.05 cheaper
Input:$0.15
Output:$0.60
xAI

Grok-3 Mini

Input:$0.30
Output:$0.50

Performance Metrics

Context window and performance specifications

OpenAI

GPT OSS 120B

Larger context
Max Context:161.0K
Parameters:120.0B
xAI

Grok-3 Mini

Max Context:136.0K

Average performance across 1 common benchmarks

OpenAI

GPT OSS 120B

Average Score:71.5%
xAI

Grok-3 Mini

+12.5%
Average Score:84.0%

Performance comparison across key benchmark categories

OpenAI

GPT OSS 120B

general
63.1%
xAI

Grok-3 Mini

general
+27.1%
90.2%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

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 OSS 120B

1 providers

ZeroEval

Throughput: 500 tok/s
Latency: 0.5ms
xAI

Grok-3 Mini

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
OpenAI

GPT OSS 120B

Avg Score:71.5%
Providers:1
xAI

Grok-3 Mini

+12.5%
Avg Score:84.0%
Providers:1