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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

o1-mini

OpenAI

o1-mini is a language model developed by OpenAI. It achieves strong performance with an average score of 71.9% across 6 benchmarks. It excels particularly in HumanEval (92.4%), MATH-500 (90.0%), MMLU (85.2%). It supports a 194K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.

OpenAI

o1-mini

OpenAI

2024-09-12

OpenAI

GPT-5 Codex

OpenAI

2025-09-15

1 year newer

Performance Metrics

Context window and performance specifications

OpenAI

GPT-5 Codex

Max Context:-
OpenAI

o1-mini

Larger context
Max Context:193.5K

Performance comparison across key benchmark categories

OpenAI

GPT-5 Codex

general
+16.5%
74.5%
OpenAI

o1-mini

general
58.0%
Knowledge Cutoff
Training data recency comparison

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

o1-mini

2 providers

Azure

Throughput: 100 tok/s
Latency: 0.5ms

OpenAI

Throughput: 115 tok/s
Latency: 5.2ms
OpenAI

GPT-5 Codex

Avg Score:0.0%
Providers:0
OpenAI

o1-mini

Avg Score:0.0%
Providers:2