Model release timeline

When every LLM was released

A continuously updated timeline of large language model releases — when each model shipped from its provider and when it landed on LLM Gateway. Track GPT, Claude, Gemini, Llama, Mistral, DeepSeek and more. Browse the full history by year.

  • 365models
  • 49providers
  • since2022
  • Updated

New AI models released in September 2026

5 new AI models were released in September 2026 so far, from 4 providers. The most recent is GPT-6 Astra from OpenAI, released September 3, 2026. Every one is available on LLM Gateway through a single API.

See every 2026 release

Latest releases

The most recently released models, newest first.

See all 2026

GPT-6 Astra

Latest

OpenAI · gpt-6-astra

GPT-6 Astra was released by OpenAI on and added to LLM Gateway on .

Pricing, providers & uptime

Muse Spark 1.3 Contributor

Meta · muse-spark-1.3-contributor

Muse Spark 1.3 Contributor was released by Meta on and added to LLM Gateway on .

Pricing, providers & uptime

Muse Spark 1.3

Meta · muse-spark-1.3

Muse Spark 1.3 was released by Meta on and added to LLM Gateway on .

Pricing, providers & uptime

Gemini 3.8 Flash

Flagship

Google · gemini-3.8-flash

Gemini 3.8 Flash was released by Google on and added to LLM Gateway on .

Pricing, providers & uptime

Claude Fable 5.1

Anthropic · claude-fable-5-1

Claude Fable 5.1 was released by Anthropic on and added to LLM Gateway on .

Pricing, providers & uptime

GLM-5.3 Flash

Z.AI · glm-5.3-flash

GLM-5.3 Flash was released by Z.AI on and added to LLM Gateway on .

Pricing, providers & uptime

Qwen3.8 Flash

Flagship

Alibaba · qwen3.8-flash

Qwen3.8 Flash was released by Alibaba on and added to LLM Gateway on .

Pricing, providers & uptime

DeepSeek V4 Flash Vision Exp

Flagship

DeepSeek · deepseek-v4-flash-vision-exp

DeepSeek V4 Flash Vision Exp was released by DeepSeek on and added to LLM Gateway on .

Pricing, providers & uptime

GLM-5.2 Turbo

Z.AI · glm-5.2-fast

GLM-5.2 Turbo was released by Z.AI on and added to LLM Gateway on .

Pricing, providers & uptime

GLM-5.3

Z.AI · glm-5.3

GLM-5.3 was released by Z.AI on and added to LLM Gateway on .

Pricing, providers & uptime

Qwen3.8 27B

Flagship

Alibaba · qwen3.8-27b

Qwen3.8 27B was released by Alibaba on and added to LLM Gateway on .

Pricing, providers & uptime

Gemini 3.7 Flash

Flagship

Google · gemini-3.7-flash

Gemini 3.7 Flash was released by Google on and added to LLM Gateway on .

Pricing, providers & uptime

FAQ

LLM release dates, answered

How many AI models does LLM Gateway support?
LLM Gateway currently tracks 365 models from 49 providers across 26 model families, including OpenAI, Anthropic, Google, Meta, Mistral, and DeepSeek. The full list is updated continuously as new models ship.
What is the newest LLM model on LLM Gateway?
The most recently released model is GPT-6 Astra from OpenAI, released on September 3, 2026. New flagship models usually appear here within 48 hours of their provider launch.
How quickly are new models added to LLM Gateway?
New models are typically available on LLM Gateway within 48 hours of their official provider release, so you can switch to the latest model without changing your integration.
Where do these LLM release dates come from?
Each entry shows two dates: the official provider release date (when the model maker shipped it) and the date LLM Gateway added support for it. Dates are maintained alongside our model catalog and kept in sync with provider announcements.
Can I find when a specific model like GPT-5 or Claude was released?
Yes. Use the search box to filter the timeline by model name, provider, family, or model ID, then read the provider release date for that exact model. Each model also links to a detail page with pricing and capabilities.

Route to any of these models with one API

Switch to the newest model the day it ships — no new SDK, no vendor lock-in. One key for every provider on this timeline.