GPT models

Amazon Bedrock adds bedrock-runtime endpoint support for Daybreak modelsGA

AWS · GPT-5.6 Cyber · GPT-5.6 Sol

GPT-6-Cyber added to OpenAI API for vulnerability investigation and fix verification

OpenAI · GPT-6-Cyber

Live API outbound SIP calling available to all organizationsGA

OpenAI · GPT-Live

Amazon Bedrock expands API support and introduces Cross-Region Inferencing for OpenAI models in AWS GovCloud (US)

AWS · GPT-5.6 Terra · GPT-5.6 Luna

Daybreak Red from OpenAI now available to eligible customers on Amazon Bedrock in AWS GovCloud (US-East)Region

AWS · GPT-5.6 Cyber

GPT-6 Rosalind released for biological reasoning, via trusted-access program

OpenAI · GPT-6 Rosalind

OpenAI GPT-6.1 Terra is now generally available on Amazon BedrockGA

AWS · GPT-6.1 Terra

GPT-6.1 Terra released for visual reasoning, computer use and writingGA

OpenAI · GPT-6.1 Terra

Decisions API generally available with gpt-6-luna, up to 400 questions per requestGA

OpenAI · GPT-6 Luna

Prompt-to-voice released for GPT-Live, with nine new natural voicesGA

OpenAI · GPT-Live

GPT-Live adds native Decisions integration for acting during speech

OpenAI · GPT-Live

OpenAI GPT-6.1 Sol now supports Ultrafast mode on Amazon BedrockGA

AWS · GPT-6.1 Sol

Ultrafast mode added for GPT-6.1 Sol in the Responses API

OpenAI · GPT-6.1 Sol

chat-latest snapshot updated to the latest ChatGPT model

OpenAI

Decisions API in beta with gpt-6-luna, 10x faster than Responses APIPreview

OpenAI · GPT-6 Luna

OpenAI GPT-6 Astra now supports UltraFast mode on Amazon BedrockGA

AWS · GPT-6 Astra

OpenAI GPT-6.1 Sol is now generally available on Amazon BedrockGA

AWS · GPT-6.1 Sol

Ultrafast mode added for GPT-6 Astra in the Responses API

OpenAI · GPT-6 Astra

GPT-6.1 Sol released, with Multi-agent in betaGA

OpenAI · GPT-6.1 Sol

Image encoding bug fixed for GPT-6 Sol and GPT-6 Luna

OpenAI · GPT-6 Sol · GPT-6 Luna

OpenAI GPT-6 Sol and GPT-6 Luna are now generally available on Amazon BedrockGA

AWS · GPT-6 Sol · GPT-6 Luna

GPT-6 Sol and GPT-6 Luna released, from $0.10 per 1M input tokens

OpenAI · GPT-6 Sol · GPT-6 Luna

OpenAI GPT-6 Astra is now generally available on Amazon BedrockGA

AWS · GPT-6 Astra

GPT-Rosalind generally available via trusted access, billing starts October 5, 2026GA

OpenAI · GPT-Rosalind

GPT-6 Astra released for reasoning, coding and computer use, without the none effort levelGA

OpenAI · GPT-6 Astra

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

OpenAI · GPT-6 Astra

whisper-1 and gpt-4o transcribe models deprecated, Assistants API shut downDeprecation

OpenAI · gpt-4o-transcribe · gpt-4o-mini-transcribe · gpt-4o-transcribe-diarize · Was due Aug 26, 2026

OpenAI GPT-5.6 Terra and Luna now available on Amazon Bedrock in AWS GovCloud (US)GA

AWS · GPT-5.6 Terra · GPT-5.6 Luna

Amazon Bedrock announces reduced pricing for OpenAI GPT-5.6 SolPrice

AWS · GPT-5.6 Sol

GPT-5.6 Sol price cut to $4 per million input and $20 per million output tokensPrice

OpenAI · GPT-5.6 Sol

AI Gateway - Get 50% off GPT-5.6 Sol through AI GatewayPrice

Cloudflare · GPT-5.6 Sol

Amazon Bedrock now supports OpenAI models in India

AWS · GPT-5.6 Terra · GPT-5.6 Luna

Amazon Bedrock expands API support and introduces Cross Region Inferencing for OpenAI models

AWS · GPT-5.6 Sol · GPT-5.6 Terra · GPT-5.6 Luna

Daybreak Red and Daybreak Blue from OpenAI are now available to eligible customers on Amazon BedrockGA

AWS · GPT-5.6 Cyber · GPT-5.6 Sol

Ultrafast mode service tier for GPT-5.6 Sol in limited preview, up to 14x fasterPreview

OpenAI · GPT-5.6 Sol

Daybreak adds two access tiers for approved defenders: Daybreak Blue and Red

OpenAI · GPT-5.6 Sol · GPT-5.6 Cyber

chat-latest snapshot updated to the latest model in ChatGPT for Plus and Pro

OpenAI

Fast mode supports long-context prompts over 272K tokens for GPT-5.6 models

OpenAI · GPT-5.6 Sol · GPT-5.6 Terra · GPT-5.6 Luna

OpenAI GPT-5.6 Sol, Terra, and Luna now support 1 million token context windows on Amazon Bedrock

AWS · GPT-5.6 Sol · GPT-5.6 Terra · GPT-5.6 Luna

Amazon Bedrock announces up to 80% lower prices for OpenAI GPT‑5.6 modelsPrice

AWS · GPT-5.6 Luna · GPT-5.6 Terra

GPT-5.6 Luna 80% cheaper, GPT-5.6 Terra 20% cheaper; Fast mode replaces PriorityPrice

OpenAI · GPT-5.6 Luna · GPT-5.6 Terra · GPT-5.6 Sol

GPT Transcribe and GPT Live Transcribe released for file and streaming transcription

OpenAI · GPT Transcribe · GPT Live Transcribe

OpenAI GPT-5.6 Sol, Terra, and Luna now generally available on Amazon BedrockGA

AWS · GPT-5.6 Sol · GPT-5.6 Terra · GPT-5.6 Luna

Generally Available: Open AI GPT-5.6 on Azure DatabricksGA

Azure · GPT-5.6

GPT-5.6 family released: Sol, Terra and Luna, with Programmatic Tool CallingGA

OpenAI · GPT-5.6 Sol · GPT-5.6 Terra · GPT-5.6 Luna

GPT-Realtime-2.1 and GPT-Realtime-2.1 mini released for realtime voiceGA

OpenAI · GPT-Realtime-2.1 · GPT-Realtime-2.1 mini · GPT Realtime

OpenAI GPT-5.4 and NVIDIA Nemotron 3 Super 120B now available on Kiro in AWS GovCloud (US-West) Region

AWS · GPT-5.4

OpenAI GPT, OpenAI GPT OSS, and NVIDIA Nemotron models on Amazon Bedrock receive FedRAMP High and DoD IL-4/5 approval in AWS GovCloud (US)

AWS

chat-latest snapshot updated to the latest Instant model used in ChatGPT

OpenAI

OpenAI GPT-5.4 and GPT-5.5 models now available in US East (N. Virginia) on Amazon BedrockRegion

AWS · GPT-5.4 · GPT-5.5

OpenAI GPT-5.4 generally available on Amazon Bedrock in AWS GovCloud (US-West)Region

AWS · GPT-5.4

GPT-5.5, GPT-5.4, and Codex from OpenAI are now generally available on Amazon BedrockGA

AWS · GPT-5.5 · GPT-5.4

OpenAI models available in Amazon Bedrock via Responses API endpoint

OpenAI

chat-latest snapshot released, pointing to the latest Instant model in ChatGPT

OpenAI

GPT-Realtime-2 released, with GPT-Realtime-Translate and GPT-Realtime-Whisper

OpenAI · GPT-Realtime-2 · GPT-Realtime-Translate · GPT-Realtime-Whisper · GPT Realtime

chat-latest snapshot released, pointing to the latest Instant model in ChatGPT

OpenAI

GPT-5.5 and GPT-5.5 Pro released, with a 1M-token context windowGA

OpenAI · GPT-5.5 · GPT-5.5 Pro

GPT-5.4 mini and GPT-5.4 nano released in Chat Completions and Responses APIGA

OpenAI · GPT-5.4 mini · GPT-5.4 nano

gpt-5.3-chat-latest slug now points to the latest model used in ChatGPT

OpenAI

Image encoder fix improves input_image handling in GPT-5.4

OpenAI · GPT-5.4

GPT-5.4 and GPT-5.4 Pro released, with tool search and a 1M-token context windowGA

OpenAI · GPT-5.4 · GPT-5.4 Pro

gpt-5.3-chat-latest released, pointing to the GPT-5.3 Instant snapshotGA

OpenAI

gpt-5.3-codex released in the Responses APIGA

OpenAI · gpt-5.3-codex

GPT-Realtime-1.5 in the Realtime API, gpt-audio-1.5 in Chat CompletionsGA

OpenAI · GPT-Realtime-1.5 · gpt-audio-1.5 · GPT Realtime · GPT Audio

gpt-5.2-chat-latest slug now points to the model currently used in ChatGPT

OpenAI

GPT-5.2 and GPT-5.2-Codex now run about 40% faster, weights unchanged

OpenAI · GPT-5.2 · GPT-5.2-Codex

gpt-5.2-codex released in the Responses API for agentic codingGA

OpenAI · GPT-5.2-Codex

gpt-4o-mini-tts and gpt-4o-mini-transcribe slugs now point to 2025-12-15 snapshots

OpenAI · gpt-4o-mini-tts · gpt-4o-mini-transcribe

gpt-realtime-mini and gpt-audio-mini slugs now point to 2025-12-15 snapshots

OpenAI · gpt-realtime-mini · gpt-audio-mini

Fixed gpt-image-1.5 using high fidelity for image edits when set to low

OpenAI

gpt-image-1.5 and chatgpt-image-latest added to Responses API image tool

OpenAI

Four dated audio snapshots released, with custom voices for eligible customers

OpenAI · gpt-realtime-mini · gpt-audio-mini · gpt-4o-mini-transcribe · gpt-4o-mini-tts

GPT-5.2 released, with xhigh reasoning effort and compaction-based context managementGA

OpenAI · GPT-5.2

gpt-5.1-codex-max released in the Responses API for long-horizon coding

OpenAI · gpt-5.1-codex-max

Public Preview: Microsoft Foundry Fine-Tuning UpdatesPreview

Azure · GPT-5

GPT-5.1 released, with a new none reasoning default for faster responsesGA

OpenAI · GPT-5.1

gpt-5.1-codex and gpt-5.1-codex-mini released in the Responses APIGA

OpenAI · gpt-5.1-codex · gpt-5.1-codex-mini

GPT-5 Pro and Sora 2 video generation (v1/videos) released at DevDayGA

OpenAI · gpt-5-pro · gpt-image-1-mini

gpt-5-codex released, optimized for the Codex CLI

OpenAI · gpt-5-codex

GPT-5 family released in the API, with minimal reasoning effort and custom tool callsGA

OpenAI · GPT-5 · gpt-5-mini · gpt-5-nano

Fine-tuning with direct preference optimization for GPT-4.1, mini and nano

OpenAI · GPT-4.1 · GPT-4.1-mini · gpt-4.1-nano

New gpt-4o-audio-preview and gpt-4o-realtime-preview snapshots; Agents SDK for TypeScript

OpenAI

Generally Available: New fine-tuning capabilities in Microsoft FoundryGA

Azure · GPT-4.1 · GPT-4.1-mini · GPT-4o

Reinforcement fine-tuning launched, and gpt-4.1-nano can be fine-tuned

OpenAI · gpt-4.1-nano

gpt-4.1, gpt-4.1-mini and gpt-4.1-nano added, with up to 1M-token contextDeprecation

OpenAI · GPT-4.1 · GPT-4.1-mini · gpt-4.1-nano · GPT-4.5

Audio API adds gpt-4o-mini-tts, gpt-4o-transcribe and gpt-4o-mini-transcribe

OpenAI · gpt-4o-mini-tts · gpt-4o-transcribe · gpt-4o-mini-transcribe

Responses API and Agents SDK released, with built-in web search and computer useDeprecation

OpenAI

GPT-4.5 released in research preview as OpenAI's largest chat modelPreview

OpenAI · GPT-4.5