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The issue is linked. Maintainer approval and assignment are pending. The author has requested review and will coordinate with the core team.
Description
This PR adds GPT-6.1 Terra to the native OpenAI and ChatGPT subscription Codex catalogs. It does not change the existing provider defaults.
The native catalog uses the official 1,050,000-token context window and 128,000-token output limit. It supports image input, prompt caching, verbosity, and none through max reasoning effort. It includes Standard, Flex, Priority, and long-context pricing from the official OpenAI documentation.
The Codex catalog uses the supported 872,000-token maximum context window. It uses low reasoning by default and routes tool requests through Responses Lite. A separate Terra request suite covers native and Codex behavior. The existing GPT-6.1 Sol test file is unchanged.
This change supports the roadmap goal to support more AI providers and models.
pnpm --dir packages/types exec vitest run src/__tests__/openai-models.test.ts
pnpm --dir src exec vitest run api/providers/__tests__/openai-sol-6.1.spec.ts api/providers/__tests__/openai-terra-6.1.spec.ts
pnpm run check-types
pnpm knip
pnpm knip:production
pnpm test:knip-policy
Results:
30 focused tests passed.
All 12 workspace type-check tasks passed.
Both Knip checks passed.
All 8 Knip policy tests passed.
Commit lint and formatting hooks passed.
The tests ran on macOS with Node 24.22.1 and pnpm 10.8.1. The repository declares Node 22.23.4. The engine mismatch produced a warning only.
Live paid API requests were not run.
Pre-Submission Checklist
Issue Linked: This PR is linked to an approved GitHub Issue (see "Related GitHub Issue" above).
Scope: My changes are focused on the linked issue (one major feature/fix per PR).
Self-Review: I reviewed my own code with care.
Writing Style: The PR title and description use Simplified Technical English (ASD-STE100): short sentences, plain words, active voice, one idea per sentence, no contractions.
Testing: New and/or updated tests have been added to cover my changes (if applicable).
Test Helpers (test changes only): Shared test helpers (src/test-utils/, @/utils/test-utils) are used only for mechanical duplication; test intent and scenario-specific mocks remain visible.
Visual Snapshot (UI changes only): This PR has no UI changes.
Documentation Impact: I checked if my changes need documentation updates (see "Documentation Updates" section below).
Not applicable. This PR has no interaction or animation changes.
Documentation Updates
No documentation updates are required. The existing model picker reads the shared catalogs.
Yes, documentation updates are required.
Additional Notes
AI tools assisted with implementation and test preparation. The author reviewed the model metadata against the official sources and ran the checks listed above.
Issue #2380 is linked. Maintainer approval and assignment are pending.
Get in Touch
The author will provide a Discord contact in the PR thread if the maintainers need it.
Add GPT-6.1 Terra to the native OpenAI and subscription-based Codex catalogs without changing provider defaults.
Configure official context and output limits, provider-specific reasoning efforts, image input, prompt caching, Standard/Flex/Priority pricing, and long-context multipliers. Route Codex requests through Responses Lite.
Add dedicated Terra request tests for reasoning selection, native tool requests, priority pricing, and Codex Fast-mode headers and tool shaping. Preserve the existing Sol test file unchanged.
No actionable comments were generated in the recent review.
Summary
Summary by CodeRabbit
New Features
Added support for GPT-6.1 Terra in OpenAI and Codex. The model supports image inputs, prompt caching, and configurable reasoning, with a context window of up to 1,050,000 tokens in OpenAI and 872,000 tokens in Codex.
Codex requests for GPT-6.1 Terra now use the Responses Lite format.
GPT-6.1 Terra is added to the native OpenAI and Codex model catalogs. The Codex provider routes it through Responses Lite. Tests cover model metadata, reasoning-effort mappings, pricing, and native and Codex request fields.
Changes: GPT-6.1 Terra support
Layer / File(s)
Summary
Add Terra model metadata packages/types/src/providers/openai.ts, packages/types/src/providers/openai-codex.ts, packages/types/src/__tests__/openai-models.test.ts
The native and Codex catalogs define GPT-6.1 Terra with separate context limits, reasoning settings, capabilities, tools, and pricing. Tests check the metadata and confirm that default model IDs remain unchanged.
Route and shape Terra requests src/api/providers/openai-codex.ts, src/api/providers/__tests__/openai-terra-6.1.spec.ts
The Codex provider routes GPT-6.1 Terra through Responses Lite. Tests check reasoning-effort mappings, native request fields and pricing, and Codex request shaping.
Zoo-Code-Org/Zoo-Code#2260: Updates GPT-6-class cache-write pricing in the shared OpenAI catalog and model tests, which are also changed here.
Merge Risk: Minimal · up to 79fcb
Terra support adds model metadata and subscription routing without changing provider defaults. No concrete merge-blocking issue is established by the available evidence.
Pre-merge checks: 8
Check name
Status
Explanation
Title check
The title "feat(openai): add GPT-6.1 Terra support" names the main change: adding the GPT-6.1 Terra model to the OpenAI native and Codex catalogs. It is short, specific, and matches the changeset and …
Description check
The description follows the repository template. It links issue #2380 under Related GitHub Issue and includes Description, Test Procedure, Pre-Submission Checklist, Visual Snapshots, Videos, Documenta…
Linked Issues check
Issue #2380 is the only active direct link. Its coding requirements are met at head 79fcb4a, as checked against the diff from merge base e487cd7.
All changed files relate to the GPT-6.1 Terra objective of #2380. The changes are: - packages/types/src/providers/openai.ts: native catalog entry. - packages/types/src/providers/openai-codex.ts: Codex…
Regression Evidence
The new tests cover Terra metadata, reasoning defaults and invalid settings, native request pricing, and Codex Responses Lite routing. Existing Responses Lite tests cover transformation errors and uns…
Security Boundaries
The changed paths add model metadata, tests, and existing Responses Lite routing. Tool calls still pass through policy validation and approval controls. No concrete security boundary failure was ident…
Persistence Integrity
The changes add model metadata, request routing, and tests. They do not change a persistence path or persisted default.
Lifecycle Resource Cleanup
The production changes add model metadata and route Terra requests through the existing Responses Lite path. The changed code does not introduce a lifecycle resource leak or duplicate work after cance…
Full details: Title check
Explanation
The title "feat(openai): add GPT-6.1 Terra support" names the main change: adding the GPT-6.1 Terra model to the OpenAI native and Codex catalogs. It is short, specific, and matches the changeset and the linked issue #2380. It does not cover every detail, which is expected.
Full details: Description check
Explanation
The description follows the repository template. It links issue #2380 under Related GitHub Issue and includes Description, Test Procedure, Pre-Submission Checklist, Visual Snapshots, Videos, Documentation Updates, Additional Notes, and Get in Touch sections. It explains the native and Codex catalog changes, the tests, and the verification results. Minor gaps: the issue link is not confirmed as approved (approval is pending), the Get in Touch section gives no Discord username yet, and the checklist's Issue Linked item is unchecked while the other items are checked. The description also includes a roadmap statement that is not technical detail. The Test Procedure references openai-sol-6.1.spec.ts, which the changeset summary does not list as a changed file, so the reviewer should confirm that file exists.
Full details: Linked Issues check
Explanation
Issue #2380 is the only active direct link. Its coding requirements are met at head 79fcb4a, as checked against the diff from merge base e487cd7.
reasoningEffort default low, with requiredReasoningEffort true.
supportsTemperature false. Costs are zero, as the issue expects for subscription use.
openAiCodexDefaultModelId remains gpt-5.6-sol.
Responses Lite routing (src/api/providers/openai-codex.ts): gpt-6.1-terra is added to RESPONSES_LITE_MODEL_IDS.
Tests:
src/api/providers/tests/openai-terra-6.1.spec.ts covers reasoning-effort selection for native and Codex (issue: reasoning selection). It covers native Responses request construction with max_output_tokens, reasoning, service_tier, and tools, and no temperature (issue: native tool requests). It covers priority service-tier pricing (issue: service-tier pricing). It covers Codex Responses Lite tool request shaping with the Responses Lite header, no instructions, tools, max_output_tokens, or temperature (issue: Codex tool request shaping).
The packages/types metadata test (openai-models.test.ts, per the change summary) covers model metadata, including flex pricing, which the spec file does not assert.
Non-coding items (manual steps, maintainer approval) are not assessed.
Full details: Out of Scope Changes check
Explanation
All changed files relate to the GPT-6.1 Terra objective of #2380. The changes are:
src/api/providers/openai-codex.ts: one-line addition of gpt-6.1-terra to RESPONSES_LITE_MODEL_IDS. The rest of the diff is formatting of the same Set literal.
packages/types/src/tests/openai-models.test.ts: metadata tests for Terra.
src/api/providers/tests/openai-terra-6.1.spec.ts: Terra request tests.
The PR does not change default models, the existing GPT-6.1 Sol test file, or other provider behavior. No unrelated change was found in the reviewed diffs. The packages/types test file was not diffed directly; its contents are taken from the change summary.
Full details: Regression Evidence
Explanation
The new tests cover Terra metadata, reasoning defaults and invalid settings, native request pricing, and Codex Responses Lite routing. Existing Responses Lite tests cover transformation errors and unset inputs. The PR does not change UI components.
Full details: Security Boundaries
Explanation
The changed paths add model metadata, tests, and existing Responses Lite routing. Tool calls still pass through policy validation and approval controls. No concrete security boundary failure was identified.
Full details: Lifecycle Resource Cleanup
Explanation
The production changes add model metadata and route Terra requests through the existing Responses Lite path. The changed code does not introduce a lifecycle resource leak or duplicate work after cancellation, disposal, or restart.
Finishing Touches
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Additional context used
Path-based instructions: 6
Treat model, provider, MCP, path, command, and tool data as untrusted.
For persisted settings, verify the complete schema/storage/runtime/webview round trip, shared default semantics, and focused true plus false/unset tests.
Require regression coverage at the lowest valid harness with behavior-focused assertions, including relevant negative, error, false/unset, and boundary cases.
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Related GitHub Issue
Closes: #2380
The issue is linked. Maintainer approval and assignment are pending. The author has requested review and will coordinate with the core team.
Description
This PR adds GPT-6.1 Terra to the native OpenAI and ChatGPT subscription Codex catalogs. It does not change the existing provider defaults.
The native catalog uses the official 1,050,000-token context window and 128,000-token output limit. It supports image input, prompt caching, verbosity, and
nonethroughmaxreasoning effort. It includes Standard, Flex, Priority, and long-context pricing from the official OpenAI documentation.The Codex catalog uses the supported 872,000-token maximum context window. It uses low reasoning by default and routes tool requests through Responses Lite. A separate Terra request suite covers native and Codex behavior. The existing GPT-6.1 Sol test file is unchanged.
This change supports the roadmap goal to support more AI providers and models.
Sources:
Test Procedure
Run these commands from the repository root:
Results:
The tests ran on macOS with Node 24.22.1 and pnpm 10.8.1. The repository declares Node 22.23.4. The engine mismatch produced a warning only.
Live paid API requests were not run.
Pre-Submission Checklist
src/test-utils/,@/utils/test-utils) are used only for mechanical duplication; test intent and scenario-specific mocks remain visible.Visual Snapshots
Not applicable. This PR has no UI changes.
Videos (interaction / animation only)
Not applicable. This PR has no interaction or animation changes.
Documentation Updates
Additional Notes
AI tools assisted with implementation and test preparation. The author reviewed the model metadata against the official sources and ran the checks listed above.
Issue #2380 is linked. Maintainer approval and assignment are pending.
Get in Touch
The author will provide a Discord contact in the PR thread if the maintainers need it.