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Model Comparison

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

DeepSeek

DeepSeek-V3.1

DeepSeek

DeepSeek-V3.1 is a language model developed by DeepSeek. The model shows competitive results across 16 benchmarks. It excels particularly in SimpleQA (93.4%), MMLU-Redux (91.8%), MMLU-Pro (83.7%). The model shows particular specialization in factuality tasks with an average performance of 92.6%. It supports a 328K token context window for handling large documents. The model is available through 2 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents DeepSeek's latest advancement in AI technology.

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.

DeepSeek

DeepSeek-V3.1

DeepSeek

2025-01-10

OpenAI

GPT-5 Codex

OpenAI

2025-09-15

8 months newer

Performance Metrics

Context window and performance specifications

DeepSeek

DeepSeek-V3.1

Larger context
Max Context:327.7K
Parameters:671.0B
OpenAI

GPT-5 Codex

Max Context:-

Average performance across 1 common benchmarks

DeepSeek

DeepSeek-V3.1

Average Score:66.0%
OpenAI

GPT-5 Codex

+8.5%
Average Score:74.5%

Performance comparison across key benchmark categories

DeepSeek

DeepSeek-V3.1

general
57.3%
OpenAI

GPT-5 Codex

general
+17.2%
74.5%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
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

DeepSeek

DeepSeek-V3.1

2 providers

DeepInfra

Novita

OpenAI

GPT-5 Codex

0 providers
DeepSeek

DeepSeek-V3.1

Avg Score:66.0%
Providers:2
OpenAI

GPT-5 Codex

+8.5%
Avg Score:74.5%
Providers:0