# 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, 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 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 |
| 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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