# 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-6 Luna            | Deep Search categorization, Deep Search answer summaries, Deep Search titles, Agentic Batch Changes titles, Agentic Batch Changes categorization, Agentic Batch Changes diagnostics, Coding agent low Finder, Coding agent medium Finder, Coding agent high Finder |
| GPT-5.6 Luna          | Deep Search compaction, [Code Finder](/api/mcp#code-finder), [Diff Tour](/diff-tour), Agentic Batch Changes workspace analysis, Agentic Batch Changes schema help                                                                                        |
| GPT-5.4 Nano          | [Smart Hover](/code-navigation/smart-hover)                                                                                                                                                                                                                   |
| Gemini 3.5 Flash-Lite | [Query Assist](/code-search/query-assist), Agentic Batch Changes repository search                                                                                                                                                                            |
| Claude Opus 5.5       | [Agentic Batch Changes](/agentic-batch-changes), Agentic Batch Changes compaction                                                                                                                                                                             |
| GPT-6.1 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 Transcribe        | [Dictation](https://sourcegraph.com/changelog/agent-dictation)                                                                                                                                                                                                     |

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