Two code & development tools, one decision. Here is the honest split.
| Sourcegraph Cody | DeepSeek | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Best at | Questions and refactors that span many files, where autocomplete-only tools lose the plot. | Free, capable code help and reasoning tasks without a subscription. |
| In short | A coding assistant that reads your whole repository, so answers and edits account for your actual codebase. | A strong open-weights model family with a free chat interface, particularly competitive at code and math. |
| On Atlas | 3 starter prompts | 3 starter prompts |
Pick Sourcegraph Cody when the job is Questions and refactors that span many files, where autocomplete-only tools lose the plot.. Pick DeepSeek when the job is Free, capable code help and reasoning tasks without a subscription.. Still torn? Run one real task through both free tiers. An hour of testing beats a week of reviews.
Here is my code: [paste code]. Find the three most likely bugs or edge cases, explain each in one sentence, then show the fixed code with tests.