feat(models): add azure gpt-5.6 mappings

[steebchen]

Summary

Adds azure provider mappings for the three GPT-5.6 models:

• gpt-5.6-sol
• gpt-5.6-terra
• gpt-5.6-luna

Each mapping mirrors the existing openai mapping: same pricing (including the 272K-token pricing tiers and cache write pricing), 1.05M context, 128K max output, vision, tools, web search, all reasoning efforts (none through max), verbosity, strict JSON schema, and Responses API support. Service tiers (flex/priority) are omitted since they are OpenAI-only. Marked test: "skip" consistent with the other GPT-5.x Azure mappings.

Testing

• Verified all three deployments live on the Azure resource via the Responses API, including max/none reasoning efforts, verbosity, strict JSON schema output, and the web_search tool.
• TEST_MODELS="azure/gpt-5.6-sol,azure/gpt-5.6-terra,azure/gpt-5.6-luna" pnpm test:e2e — 124 passed, 0 failed.
• pnpm test:unit — 2878 passed.
• pnpm build — all 17 tasks successful.

🤖 Generated with Claude Code

Summary by CodeRabbit

• New Features
  • Added Azure support for the GPT-5.6 Sol, Terra, and Luna models.
  • Included model capabilities such as streaming, vision, tools, web search, reasoning, structured output, and tiered token pricing.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: f87cde46-9172-4041-b150-498eb9cbf26e

📥 Commits

Reviewing files that changed from the base of the PR and between 52b8993 and 9c00fb9.

📒 Files selected for processing (1)

• packages/models/src/models/openai.ts

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Walkthrough

The OpenAI model registry adds test-skipped Azure provider configurations for gpt-5.6-sol, gpt-5.6-terra, and gpt-5.6-luna, including pricing tiers, capabilities, reasoning settings, response formats, and supported parameters.

Changes

Azure GPT-5.6 provider mappings

Layer / File(s)	Summary
Add Azure GPT-5.6 provider configurations packages/models/src/models/openai.ts	Adds Azure entries for gpt-5.6-sol, gpt-5.6-terra, and gpt-5.6-luna with cache pricing, 272K token pricing tiers, capability flags, reasoning settings, response formatting, and supported parameters.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related issues

• add multi-provider model mappings #1944 — Adds similar test-skipped Azure provider mappings in the same OpenAI model registry.

Possibly related PRs

• theopenco/llmgateway#2875 — Adds Runware variants for the same GPT-5.6 models in the same configuration file.
• theopenco/llmgateway#3101 — Updates reasoning configuration for Azure and OpenAI GPT providers in the same model registry.

Suggested reviewers: copilot, smakosh

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: adding Azure mappings for GPT-5.6 models.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch add-gpt-5-6-azure-models

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