# GPT-5.1 CodexMedium

> Source: Benchize (https://benchize.com) — https://benchize.com/models/gpt-5-1-codex-medium. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/models/gpt-5-1-codex-medium.

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Canonical URL: https://benchize.com/models/gpt-5-1-codex-medium
Last updated: Thu, 22 Oct 2026 08:20:15 GMT

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## Benchmarks

| Benchmark | Score | Rank |  |
| --- | --- | --- | --- |
| [SWE-bench Verified](https://benchize.com/benchmarks/swe-bench%3Averified.md) | 66% | 17 / 63 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `resolved` \| 66 \| percent \| verified \| Higher is better \| ### Configuration agent mini-SWE-agent agentOrganization SWE-agent models ["gpt-5.1-codex"] Reasoning effort medium sourceSubmission 20251124_mini-v1.16.0_gpt-5.1-codex subset Verified system ["System: Attempts - 1"] ### Reported statistics instanceCalls 23.882 instanceCost 0.5888823500000001 sourceWarning Not reported ### Source [Original source](https://www.swebench.com/) Source SWE-bench Original model label GPT 5.1 Codex Observed 2026-10-22T02:30:05.773Z Evidence SHA-256 `c862011a4ee1d1a7199fad6ca0905fa5c64f58216f7217ac1eddf37f28788433` Source locator `/leaderboard-data/2/results/56` |  |  |  |

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Cite as: GPT-5.1 CodexMedium — Benchize, https://benchize.com/models/gpt-5-1-codex-medium (retrieved 2026-10-22)