[Feat] Add GPT-6.1 Sol to OpenAI model catalogs

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​Opened on behalf of @taltas. Follow up by mentioning @roomote, in the web UI, or in Discord.

Related GitHub Issue

No linked issue — model-catalog addition requested directly (new OpenAI model release).

Description

Adds gpt-6.1-sol to the OpenAI native and OpenAI Codex (ChatGPT Plus/Pro subscription) model catalogs, following the same conventions as the GPT-6 Sol/Luna addition (#1755). Verified against OpenAI's official docs (pricing, model page):

• Context window: 1,050,000 tokens (max input 922,000; max output 128,000)
• Standard pricing per 1M tokens (≤272K input): input $2.00, cached input $0.10, cache writes $2.50, output $10.00
• Long context (>272K input): input $4.00, cached input $0.20, cache writes $5.00, output $15.00 (2x input/cache rates, 1.5x output — matches the shared longContextPricing multiplier structure)
• Tiers: Flex at 50% of Standard ($1.00 in / $0.05 cached / $1.25 writes / $5.00 out); priority (Fast mode) at 2x Standard ($4.00 in / $0.20 cached / $5.00 writes / $20.00 out)
• Reasoning effort: low, medium (default), high, xhigh, max — none/minimal are not supported, so requiredReasoningEffort: true is set (same as gpt-6-astra)
• Modalities: text + image input, text output; verbosity and prompt caching supported; knowledge cutoff Apr 30, 2026

The Codex catalog entry uses subscription pricing ($0) with the 372K context window of its Sol-family predecessors. Provider defaults (gpt-5.6-sol) are unchanged. Note: gpt-6-astra, gpt-6-sol, and gpt-6-luna were already in the catalogs from #1506/#1755 and their numbers still match OpenAI's current docs; there is no 6.x Terra model, so nothing was added for Terra.

Related PRs

• Zoo-Code-Docs: [Docs] Cover GPT-6 family reasoning efforts on the OpenAI provider page

Test Procedure

• pnpm vitest run src/__tests__/openai-models.test.ts in packages/types — 6/6 passed (new full-shape assertions for gpt-6.1-sol in both catalogs)
• pnpm check-types in packages/types — clean
• ESLint on the three touched files — clean, no suppression-count changes
• Full pnpm test from the repo root — 13/13 turbo tasks passed (including webview 162 files / 1,869 tests)
• Pre-commit hooks (prettier + full turbo lint, 11/11 packages) passed on the delivery commit

Pre-Submission Checklist

• Issue Linked: No approved issue exists; this is a direct model-catalog request (see above).
• Scope: My changes are focused on the linked issue (one major feature/fix per PR).
• Self-Review: I have performed a thorough self-review of my code.
• Testing: New and/or updated tests have been added to cover my changes (if applicable).
• Visual Snapshot (UI changes only): Not applicable — data-only catalog entry; the model picker is data-driven and no rendered surface changed.
• Documentation Impact: Paired docs PR in Zoo-Code-Docs (see Related PRs).
• Contribution Guidelines: I have read and agree to the Contributor Guidelines.

Visual Snapshots

Not applicable — no user-visible layout/theme/state change; this PR adds a model entry to a static catalog.

Videos (interaction / animation only)

Not applicable.

Documentation Updates

• Yes, documentation updates are required. Paired PR in Zoo-Code-Org/Zoo-Code-Docs updates the OpenAI provider page with the GPT-6 family reasoning-effort levels (see Related PRs).

Additional Notes

Pricing and context-window figures were taken from developers.openai.com on 2026-09-30. The Codex (ChatGPT subscription) entry follows the repo convention of mirroring Sol-family models into the subscription catalog; if OpenAI has not yet enabled gpt-6.1-sol on the Codex backend, that entry can be dropped without affecting the native provider change.

Get in Touch

Discord: taltas1

[github-actions]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[taltas]

#1864 closing in favour of this