AI model releases, October 2026
16 model releases in our dataset for October 2026, from OpenAI, Moonshot AI, NVIDIA, Mistral AI, Inception, MiniMax, DeepSeek, Meta, xAI, Google, Anthropic. The newest is GPT-6.1 Terra (Oct 26, 2026).
Period Oct 1, 2026 to Oct 31, 2026 · last verified · Reported from vendor pages, not run by us · this lists releases we track, not every model a vendor shipped · Markdown
| Date | Model | Vendor | Status | Release date source |
|---|---|---|---|---|
| GPT-6.1 Terra | OpenAI | generally available | source · OpenAI API changelog. The announcement page shows only the year. | |
| Kimi K3.1 Pro | Moonshot AI | generally available | source · Vercel's AI Gateway changelog, dated Oct 23, 2026, lists K3.1 Pro as available that day; Artificial Analysis also dated its launch write-up Oct 23. Moonshot's blog carries no date; Reuters reported the launch on Oct 24 Beijing time. | |
| Kimi K3.1 Pro Highspeed | Moonshot AI | generally available | source · Vercel's AI Gateway changelog, dated Oct 23, 2026, lists both models as available that day. Moonshot's launch blog names Highspeed as released with K3.1 Pro but carries no date. | |
| Nemotron 3.5 Bolt E4B (4GB) | NVIDIA | generally available | source · Date of the public Hugging Face release; NVIDIA's Oct 15 blog announced it ahead of time. | |
| Voxtral 3 | Mistral AI | public preview | source · Mistral's model cards list Oct 20, 2026 for each Voxtral 3 model. | |
| Mercury 3 | Inception | generally available | source · Blog post dated Oct 19, 2026; early-access partners had it earlier. | |
| MiniMax M3.1 Flash | MiniMax | generally available | source | |
| DeepSeek-V4.1-Flash-1017 | DeepSeek | generally available | source · DeepSeek's release post and changelog entry are dated 2026/10/17. | |
| Muse Spark Open | Meta | generally available | source | |
| Grok Voice 3.0 | xAI | generally available | source | |
| Gemini 4 Argon | generally available | source · General availability date: Google's Gemini API changelog and launch post are dated Oct 13, 2026. Google announced Argon on Sep 30, 2026 but limited it to trusted cyber defenders (Fairwind Program) until the Oct 13 rollout, so some trackers list Sep 30. | ||
| Muse Wonder | Meta | public preview | source | |
| Muse Wonder Full | Meta | limited access | source | |
| Claude Haiku 5.5 | Anthropic | generally available | source | |
| Mistral Large 4 | Mistral AI | public preview | source · Public preview launch. | |
| Nano Banana 2.1 | generally available | source |
What each release is
GPT-6.1 Terra
OpenAI ·
Kimi K3.1 Pro
Moonshot AI ·
Modalities not verified
Kimi K3.1 Pro Highspeed
Moonshot AI ·
Modalities not verified
Nemotron 3.5 Bolt E4B (4GB)
NVIDIA ·
Voxtral 3
Mistral AI ·
Modalities not verified
Context window: not verified
Mercury 3
Inception ·
Modalities not verified
MiniMax M3.1 Flash
MiniMax ·
DeepSeek-V4.1-Flash-1017
DeepSeek ·
Muse Spark Open
Meta ·
Grok Voice 3.0
xAI ·
Modalities not verified
Context window: not verified
Gemini 4 Argon
Google ·
Muse Wonder
Meta ·
Muse Wonder Full
Meta ·
Modalities not verified
Context window: not verified
Claude Haiku 5.5
Anthropic ·
Mistral Large 4
Mistral AI ·
Modalities not verified
Nano Banana 2.1
Google ·
Context window: not verified