GPT-5.6 Terra
OpenAI · elicited July 2026 GPT-5.6 · average interval-width rank #13.1 of 29 across the canonical panel · — (cost untracked).
Canonical panel profile
One row per canonical quantity, each on its own scale: this model's pooled center and 90 percent interval, with the 29-model panel median as a gray tick.
Generation harness
From the paper's per-model disclosure (Appendix A16). The prompt and repeated-run design are identical across models; the output mechanism follows each provider's API surface.
- Provider path
- OpenAI Chat Completions
- Output mechanism
- strict JSON schema
- Completion budget
- 8000
- Sampling
- temperature 1.0, batched n <= 8
- Reasoning
- provider default effort
- API identifier
- gpt-5.6-terra (alias)
195 successful runs · elicited April and July 2026 · v4 prompts · 15 runs per model-quantity cell. Code · Raw responses · Paper (PDF)
Code and dataElicited April and July 2026 · 29 models · v4 prompts