In this Codex client model catalog, GPT-6.1 Terra is configured with low as its default reasoning level, supports six reasoning levels, has a 500,000-token context window, and is marked as supporting parallel tool calls and API use. This snapshot does not indicate whether an account has access.
Suitable for: Verifying the static configuration fields for GPT-6.1 Terra in the Codex client model catalog at this commit.
Not suitable for: Determining current account availability, inferring the full capabilities or request parameters of the OpenAI API, or inferring the actual effective context length.
Applicable model version: Catalog entry gpt-6.1-terra, displayed as GPT-6.1 Terra.
Applicable client, agent, or API: OpenAI Codex client model catalog. The entry also marks supported_in_api as true, which does not constitute a complete API specification.
Recommended reasoning level and parameters: The default level is low; supported levels are low, medium, high, xhigh, max, and ultra. This file provides no recommendations for other request parameters.
Client configuration snapshot (listing only non-prompt fields in the model catalog):
| Configuration item | Value |
|---|---|
| Model ID / display name | gpt-6.1-terra / GPT-6.1 Terra |
| Default reasoning level | low |
| Supported reasoning levels | low, medium, high, xhigh, max, ultra |
context_window | 500000 tokens |
auto_compact_token_limit | null; no numeric limit provided |
| Effective context window | Not specified; the entry provides no separate rule for calculating the effective context window |
| Input modalities | text, image |
| Output modalities | Not specified; the entry has no such field |
| Parallel tool calls | supports_parallel_tool_calls: true |
| Client catalog visibility | visibility: list |
| API support flag | supported_in_api: true |
Open the original link and locate the gpt-6.1-terra entry.
Verify the default and supported reasoning levels, context and automatic compaction fields, modalities, and parallel tool-call flag.
Record visibility and supported_in_api only as static flags in the client catalog; do not use them to infer account authorization or full API compatibility.
The entry's identifier is gpt-6.1-terra, and its display name is GPT-6.1 Terra.
default_reasoning_level is low; supported_reasoning_levels lists low, medium, high, xhigh, max, and ultra.
context_window is 500000; auto_compact_token_limit is null. The entry provides no separate effective context window field or calculation rule.
input_modalities contains text and image; no output_modalities field was found.
supports_parallel_tool_calls is true, visibility is list, and supported_in_api is true.
These values come from this model's row in models.json at fixed commit 126a0ee92ed2c5e73cd8a8f7e37563e8527552d7.
This is a static catalog configuration snapshot from the Codex client repository, describing field values in the specified commit.
visibility: list and supported_in_api: true do not prove that an account has been granted access to the model, and they do not replace the model specifications in the API documentation.
context_window is a catalog field; the file does not explain how the effective window is calculated for actual requests. auto_compact_token_limit: null does not provide a compaction threshold.
This article records only non-prompt configuration fields. It does not collect or reproduce the system prompt or base instructions. The entry provides no output modalities, pricing, or performance data.
In the Tabbit browser, open the fixed-commit link and inspect the gpt-6.1-terra entry's default_reasoning_level, supported_reasoning_levels, context_window, auto_compact_token_limit, input_modalities, supports_parallel_tool_calls, visibility, and supported_in_api fields. The collection date is 2026-10-27. No system prompt, base instructions, or other prompt fields were collected or reproduced.
GPT-6.1 Terra
