Changelog

Major changes to AI Foundation Services — new models, feature updates, and deprecations.

v1.2.0 — 2026-07

Added

• New models across the Essential, Professional, and Agentic plans: GPT-5.4, GPT-5.4 mini, GPT-5.5, and GPT-Image-2 (OpenAI, via Azure); Gemini 3.1 Pro and Gemini 3.5 Flash (Google). Claude 4.8 Opus (Anthropic) is available on Professional and Agentic. See Plans & Pricing for per-plan rate limits and pricing.
• Mistral Small 4 (Mistral-Small-4-119B-2603) and Gemma 4 (gemma-4-31B-it-FP8) are now generally available (GA) on the Essential, Professional, and Agentic plans, with fixed RPM/TPM limits and standard pricing. They were previously preview-only in the Test catalog. See Plans & Pricing for per-plan rate limits and pricing.
• New preview model in the Test catalog: GLM 5.2 (GLM-5.2-Preview) from Zhipu AI — free to try on any active plan (Essential / Professional / Agentic). See rate limits for the preview-model policy.

Deprecated

The following models are scheduled for retirement on 2026-08-01. If you use any of them, migrate to the suggested replacement before that date. See Scheduled for Retirement for the full table.

• Mistral Small 3 → Mistral Small 4
• Qwen3-VL, Qwen3 Coder, Qwen3-Next → Qwen3.6 35B
• GPT-4.1 / GPT-4.1 mini / GPT-4.1 nano, GPT-5 mini → GPT-5.4 mini
• GPT-4o / GPT-4o mini, GPT-5 / GPT-5.2, o1 / o1-mini / o3 / o3-mini / o4-mini → GPT-5.4
• GPT Image 1 → GPT-Image-2
• Claude 3.7 Sonnet, Claude 4 Sonnet → Claude 4.6 Sonnet
• Claude 4.5 Opus / Claude 4.6 Opus → Claude 4.8 Opus
• Gemini 2.5 Flash / Flash Image / Pro → Gemini 3.5 Flash / Gemini 3 Pro Image / Gemini 3.1 Pro
• Gemini 3 Pro / Gemini 3 Flash → Gemini 3.1 Pro / Gemini 3.5 Flash

v1.1.0 — 2026-05

Archived snapshot: v1.1.0.

Added

• New top-level Models section with a comparison page covering every hosted model — context window, pricing, cloud, modalities, plan availability, and OpenAI-compatible endpoint reference. Image-capable models also surface on the dedicated Vision page via a capability filter.
• Changelog page (you are reading it).
• Two new preview models in the Test catalog: Mistral Small 4 (Mistral-Small-4-119B-2603-Preview) and Gemma 4 (gemma-4-31B-it-FP8-preview). See rate limits for the preview-model policy.

Removed

• Fine-Tuning API documentation. The feature is no longer offered through AI Foundation Services. Requests to /guides/fine-tuning redirect here.

v1.0.0

Archived snapshot: v1.0.0 — the initial released state of the docs prior to the changelog being introduced.