OpenAI Prompt Cache Diagnostics is generally available in the Responses API

GASep 8, 2026VerifiedAdded Sep 22, 2026

For GPT-5.6 and later, developers can compare cache reuse against a previous response, see reasons for cache misses and follow guidance to improve cache hit rates.

LLMs Developer tools

Read OpenAI's release notes

https://developers.openai.com/api/docs/changelog#sep-8

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

More OpenAI API releases

OpenAI APISep 8, 2026

OpenAI releases GPT Image 2.5 Sunburst and GPT Image 2.5 Flare

Sunburst targets precise image editing and Flare fast everyday generation, both via the Image API and Responses image tool. They support new xhigh and max quality settings at GPT Image 2 token rates.

UpdateLLMsPricingDeveloper toolsSource

OpenAI APISep 8, 2026

OpenAI GPT-Rosalind is GA for approved life sciences research

gpt-rosalind-research is available through the trusted-access program at $5 input, $0.50 cached input and $25 output per 1M tokens. Billing begins October 5, 2026.

GAPricingSource

OpenAI APISep 10, 2026

OpenAI project API keys support expiration dates

Project API keys can now be created with an expiration date, and admins can enforce a maximum key lifetime at the organization or project level.

UpdateDeveloper toolsSource

OpenAI APISep 10, 2026

OpenAI Agents API enters public beta

The Agents API runs agents on a managed Codex harness with OpenAI handling session orchestration, context compaction and recovery. It offers durable sessions, streaming, your own tools and MCP servers, and hosted or self-provided sandboxes.

BetaAI agentsMCPStreamingSource

OpenAI APISep 10, 2026

OpenAI GPT-Live 1 is generally available for full-duplex voice

GPT-Live 1 supports full-duplex voice conversations that continue while a backend model or agent handles reasoning and tools. Voice sessions cost $0.05 per minute billed per second, with backend usage charged separately.

GAAI agentsPricingDeveloper toolsSource

OpenAI APISep 10, 2026

Introducing the Agents API

Build and launch cloud agents with the Agents API, a managed service powered by the Codex harness for orchestration, long-running sessions, and tool use.

UpdateAI agentsDeveloper toolsCoding agentsSource

OpenAI APISep 10, 2026

Build more natural voice experiences with GPT‑Live‑1 in the API

GPT‑Live‑1 brings natural, full-duplex voice conversations to the API, with stronger instruction following, custom voices, and telephony support.

UpdateDeveloper toolsSource

OpenAI APISep 3, 2026

OpenAI releases GPT-6 Astra for complex end-to-end work

GPT-6 Astra targets reasoning, coding, computer use, research and document creation. When migrating, note it lacks the none reasoning effort, custom temperature, top_p and logprobs.

UpdateAI agentsLLMsPricingSource

Also shipped on Sep 8, 2026

Google Cloud BigQuerySep 8, 2026

Conversational analytics now supports predictive modeling questions using the AI.PREDICT function

Conversational analytics now supports predictive modeling questions using the AI.PREDICT function . This feature is in Preview .

PreviewSource

Snowflake SnowflakeSep 8, 2026

Add and drop hybrid table constraints online (General availability)

With this release, you can add and drop UNIQUE and FOREIGN KEY constraints on an existing hybrid table by using alter table . Previously, you had to define these constraints when you created the table, so adding a foreign key to a table that was already serving a workload meant recreating and reloading the table.

GASource

Snowflake SnowflakeSep 8, 2026

Shadow traffic for gateways (Preview)

With this preview release, you can use a shadow traffic gateway to send all production requests to a primary service endpoint while mirroring a percentage of those requests to one or more shadow endpoints. Responses from shadow endpoints aren't returned to clients.

PreviewData integrationSource

Databricks Databricks Data Intelligence PlatformSep 8, 2026

The partner-powered AI features setting will be removed

On November 1, 2026, Databricks will remove the account- and workspace-level toggle for partner-powered AI features. Each workspace will keep its current setting value: if the setting is enabled, it stays enabled, and if it's disabled, it stays disabled. Removing the toggle doesn't change any setting values.

DeprecationSource

Databricks LakeflowSep 8, 2026

Incremental ingestion for Salesforce formula fields in Lakeflow Connect will soon be generally available

Incremental ingestion for Salesforce formula fields in Lakeflow Connect will soon be generally available. Today, Lakeflow Connect ingests formula fields by taking a full snapshot on each pipeline run by default. When incremental formula field ingestion is generally available, full snapshots will no longer be the default.

GAPricingData integrationPerformanceSource

Databricks Unity CatalogSep 8, 2026

ABAC DENY policies are in Beta

ABAC DENY policies are in Beta in Unity Catalog. DENY policies can be used to explicitly deny the MANAGE ACCESS CONTROL privilege to prevent specified principals, including object owners, from performing access-management operations. They always take precedence over any grant. For details, see ABAC DENY policies (Beta) .

BetaGovernanceObservabilitySource