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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.

OpenAI

GPT-5 mini

OpenAI

GPT-5 mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 60.0% across 5 benchmarks. It excels particularly in AIME 2025 (91.1%), HMMT 2025 (87.8%), GPQA (82.3%). 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.

OpenAI

GPT-5 mini

OpenAI

2025-08-07

OpenAI

GPT-5 Codex

OpenAI

2025-09-15

1 month newer

Performance Metrics

Context window and performance specifications

OpenAI

GPT-5 Codex

Max Context:-
OpenAI

GPT-5 mini

Larger context
Max Context:528.0K

Performance comparison across key benchmark categories

OpenAI

GPT-5 Codex

general
+25.0%
74.5%
OpenAI

GPT-5 mini

general
49.5%
Knowledge Cutoff
Training data recency comparison

GPT-5 mini

2024-05-30

GPT-5 Codex

2024-09-30

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
OpenAI

GPT-5 mini

2 providers

ZeroEval

Throughput: 200 tok/s
Latency: 1ms

OpenAI

Throughput: 200 tok/s
Latency: 1ms
OpenAI

GPT-5 Codex

Avg Score:0.0%
Providers:0
OpenAI

GPT-5 mini

Avg Score:0.0%
Providers:2