Comprehensive side-by-side LLM comparison
Nova Pro leads with 67.9% higher average benchmark score. Nova Pro supports multimodal inputs. Overall, Nova Pro is the stronger choice for coding tasks.
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.
Amazon
Nova Pro is a multimodal language model developed by Amazon. It achieves strong performance with an average score of 73.2% across 27 benchmarks. It excels particularly in ARC-C (94.8%), GSM8k (94.8%), DocVQA (93.5%). It supports a 600K 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 2024, it represents Amazon's latest advancement in AI technology.
9 months newer
Nova Pro
Amazon
2024-11-20
GPT-5 Codex
OpenAI
2025-09-15
Context window and performance specifications
Average performance across 28 common benchmarks
GPT-5 Codex
Nova Pro
GPT-5 Codex
2024-09-30
Available providers and their performance metrics
GPT-5 Codex
Nova Pro
Bedrock
GPT-5 Codex
Nova Pro
GPT-5 Codex
Nova Pro