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Model Comparison

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

OpenAI

GPT-5 Codex

OpenAI

GPT-5 Codex is a language model developed by OpenAI. It achieves strong performance with an average score of 74.5% across 1 benchmarks. Notable strengths include SWE-Bench Verified (74.5%). 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%). 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 Codex

OpenAI

2025-09-15

7 months newer

Performance Metrics

Context window and performance specifications

OpenAI

GPT-5 Codex

Max Context:-
xAI

Grok-3 Mini

Larger context
Max Context:136.0K

Performance comparison across key benchmark categories

OpenAI

GPT-5 Codex

general
74.5%
xAI

Grok-3 Mini

general
+15.4%
89.9%
Knowledge Cutoff
Training data recency comparison

GPT-5 Codex

2024-09-30

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 Codex

0 providers
xAI

Grok-3 Mini

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
OpenAI

GPT-5 Codex

Avg Score:0.0%
Providers:0
xAI

Grok-3 Mini

Avg Score:0.0%
Providers:1