# Models used by Sourcegraph

This reference lists the models currently used by [Sourcegraph AI features](/ai).

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| Model                 | Used by                                                                                                                                                                                                                                                                |
| --------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Claude Sonnet 5       | [Deep Search](/deep-search)                                                                                                                                                                                                                                       |
| GPT-5.4 Nano          | Deep Search categorization, [Smart Hover](/code-navigation/smart-hover), Agentic Batch Changes categorization                                                                                                                                                     |
| Claude Haiku 4.5      | Deep Search answer summaries                                                                                                                                                                                                                                           |
| GPT-5.6 Luna          | Deep Search titles, Deep Search compaction, [Code Finder](/api/mcp#code-finder), [Diff Tour](/diff-tour), Agentic Batch Changes titles, Agentic Batch Changes workspace analysis, Agentic Batch Changes schema help, Agentic Batch Changes repository search |
| Gemini 3.5 Flash-Lite | [Query Assist](/code-search/query-assist)                                                                                                                                                                                                                         |
| Claude Opus 5.5       | [Agentic Batch Changes](/agentic-batch-changes), Agentic Batch Changes compaction                                                                                                                                                                                 |
| GPT-6 Sol             | Coding agent low, Coding agent medium                                                                                                                                                                                                                                  |
| GPT-6 Astra           | Coding agent high, Coding agent low Oracle, Coding agent medium Oracle, Coding agent high Oracle                                                                                                                                                                       |
| GPT-6 Luna            | Coding agent low Finder, Coding agent medium Finder, Coding agent high Finder                                                                                                                                                                                          |
| GPT Transcribe        | Dictation                                                                                                                                                                                                                                                              |

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