Claude Opus 4.8 and DeepSeek for real workflows
Claude Opus 4.8 is provided by Anthropic and emphasizes low hallucinations and polished prose. DeepSeek, from DeepSeek, emphasizes open source and strong reasoning. The stronger option depends on the input, output constraints, and review standard.
How to test Claude Opus 4.8 vs DeepSeek
Run the same prompt, source context, output format, and acceptance criteria through both models. Score accuracy, instruction following, edit time, latency, and current cost separately. Repeat the test on several representative tasks before standardizing on either model.