OpenAI API supports IPv6 connections to api.openai.com

UpdateSep 1, 2026VerifiedAdded Sep 22, 2026

Connections to api.openai.com can now use IPv6.

Developer tools

Read OpenAI's release notes

https://developers.openai.com/api/docs/changelog#sep-1

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

More OpenAI API releases

OpenAI APISep 2, 2026

OpenAI API separates slow_down 429s from server_is_overloaded 503s

Traffic ramping too quickly now returns 429 slow_down, while temporary model overload returns 503 server_is_overloaded. Honor Retry-After when present, otherwise use exponential backoff.

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

OpenAI APISep 3, 2026

OpenAI Responses API adds async tool calling and mid-turn steering for GPT-6 Astra

New long-running work controls let GPT-6 Astra keep working while tools run, accept extra instructions mid-response over WebSockets, and change reasoning effort mid-conversation while preserving the cached prompt.

UpdateLLMsDeveloper toolsSource

OpenAI APIAug 29, 2026

OpenAI API mTLS and X.509 workload identity federation are GA

Mutual TLS and X.509 workload identity federation can be configured in the Platform console, with access governed by organization roles and permissions, enabling keyless authentication.

GASecurityDeveloper toolsSource

OpenAI APIAug 26, 2026

OpenAI deprecates whisper-1 and gpt-4o transcribe models, shutdown February 26, 2027

whisper-1, gpt-4o-transcribe, gpt-4o-mini-transcribe and gpt-4o-transcribe-diarize shut down February 26, 2027; migrate to gpt-live-transcribe or gpt-transcribe. The Assistants API shut down August 26, 2026.

DeprecationLLMsDeveloper toolsSource

OpenAI APISep 8, 2026

OpenAI Prompt Cache Diagnostics is generally available in the Responses API

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.

GALLMsDeveloper toolsSource

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

Also shipped on Sep 1, 2026

Fivetran FivetranSeptember 2026

Fivetran connection cron scheduling enters beta

Connections can now use one or more cron expressions to control exactly when they sync, giving finer control than fixed sync frequencies.

BetaSource

Fivetran FivetranSeptember 2026

Fivetran Connection Warnings REST API enters private preview

New endpoints retrieve active warnings for a connection, grouped by destination table with codes, messages and timestamps, and dismiss all instances of a warning type, enabling programmatic warning management.

PreviewData integrationBIDeveloper toolsSource

Google Cloud BigQuerySep 1, 2026

The Rust SDK for BigQuery is now in Preview

The Rust SDK for BigQuery is now in Preview .

PreviewSQLDeveloper toolsSource

Snowflake SnowflakeSep 1, 2026

Snowflake App Runtime (General availability)

Snowflake App Runtime is now generally available and is no longer in Preview .

GASource

Databricks LakeflowSep 1, 2026

Apache Arrow support for Zerobus Ingest is now generally available

Apache Arrow support for Zerobus Ingest in Lakeflow Connect is now generally available. See Use Arrow Flight with Zerobus Ingest .

GAData integrationSource

Databricks AI/BI and GenieSep 1, 2026

Genie One web search is in Beta

Genie One can now search the public web to answer questions that need current information, such as recent release notes, third-party documentation, or news. Genie One cites the external sources it uses as links in its response. See Search the web .

BetaBISource