System record
GPT-5.1-codex-max / METR horizon evaluation
Organization: OpenAI · base model: GPT-5.1-codex-max
System and setup
| Model version | not reported |
|---|---|
| Software used to run the model | not reported |
| Software version | not reported |
| Tools available to the model | not reported |
| Release date | Not reported |
Autonomy assessments
No autonomy assessment is published for this system.
Published capability results
| Measure | Version | Reported result | Date |
|---|---|---|---|
| Task-completion time horizons | TH1 (historical estimates) | 173 minutes | 2026-01-29 |
Related research
Additional system details
- System ID
- th-codexmax
- Organization
- OpenAI
- Base model
- GPT-5.1-codex-max
- Release date
- Not reported
- Assessment records
- 0
- Recursive evidence records
- 0