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October 19, 2026

Gemini 4 Argon, Muse Spark Open, Muse Wonder + 5 more

What each of this week’s 8 new AI models changed, with the numbers and their sources, and which lines could ship next.

What shipped
● Google · Gemini Pro · Oct 13
Gemini 4 Argon
Google's first Gemini 4 model replaces Gemini 3.1 Pro as its top model in the paid Gemini API, with a 1M-token window shared by input, thinking and output.
Compared with Gemini 3.1 Pro · the model it replaces
87% ✦ Google gives no earlier Gemini score to compare
Answers nearly 9 in 10 questions about reasoning in the physical world · ERQA
$2 / $10 ✦ introductory price · Google's standard rate is $4 / $20
Launches at an introductory price for developers · API price
Full card and timeline →
Sources: Google · Google AI for Developers · Artificial Analysis
● Meta · Muse Spark (open weights) · open weights · Oct 15
Muse Spark Open
Meta's first downloadable Muse Spark: an 816B-parameter mixture-of-experts model with about 42B active parameters, a 1M-token context and text, image, video and audio input, released under the Muse Model License.
Compared with GLM 5.3 · a competitor — comparison chosen by Meta
89.2 ▲ vs 84.2 for GLM 5.3 · +5 points · Meta's table, Muse Spark Open at xhigh effort
Completes more tool-using agent tasks than GLM 5.3 · MCP-Atlas
39 ✦ Xhigh effort · first open-weights Muse Spark, nothing earlier to compare
Scores 39 on a combined set of hard tests · Artificial Analysis Intelligence Index v4.3.2
Full card and timeline →
Sources: Meta · Hugging Face · Artificial Analysis
● Meta · Muse Wonder · Oct 12
Muse Wonder
Meta's first frontier-tier model, a larger step above Muse Spark built for agents, scoring 4 points higher on the Artificial Analysis index at about three to five times the API price.
Compared with Muse Spark 1.3 · Meta's previous top model
52 ▲ up from 48 for Muse Spark 1.3 · +4 points · both at Max effort
Scores higher than Muse Spark 1.3 on a combined set of hard tests · Artificial Analysis Intelligence Index v4.3.2
$4 / $20 was $1.25 / $4.25 for Muse Spark 1.3
Costs developers several times more than Muse Spark 1.3 · API price
Full card and timeline →
Sources: Meta · TechCrunch · Artificial Analysis
Also new this week
● DeepSeek · DeepSeek Flash · open weights · Oct 17
DeepSeek-V4.1-Flash-1017
An update to DeepSeek-V4.1-Flash that scores higher on every agentic, coding and reasoning test DeepSeek published while giving shorter answers, with the same MIT weights, 1M-token context and API price.
● Kuaishou · Kling · video model · Oct 15
Kling 4.0
● Black Forest Labs · FLUX [klein] · image model · open weights · Oct 15
FLUX 3 Image Klein
Brings FLUX 3 Image's editing, up to ten reference images and bounding-box layout to a 5.6B open-weights model that runs on consumer GPUs down to an RTX 3090, with output up to 4K.
● NVIDIA · Nemotron Super · open weights · Oct 15
Nemotron 3.5 Super VL
● MiniMax · MiniMax M Flash · released Sep 27 · added this week
MiniMax-M3.1-Flash-Preview
Coming next
Announced by the maker, not out yet
● Grok 4.8 · xAI · announced Sep 14
“Grok 4.8, which is a 2.5T model trained with our new C++ software stack, will finish training this week and start RL” Elon Musk on X
● DeepSeek-V4.1-Pro · DeepSeek · announced Sep 10
“all deepseek-v4-pro requests will route to V4.1-Flash at V4.1-Flash rates. This will continue until V4.1-Pro launches.” DeepSeek API docs
● Qwen 4 · Alibaba · announced Sep 22
“At the conference, Alibaba revealed that its next-generation model, Qwen 4, is currently in training.” Alibaba Cloud
● Qwen-Image 3.1 · Alibaba · announced Sep 22 · expected later this year
“Qwen-Image 3.1, an image-generation model optimized for creative design and e-commerce marketing, is set to launch later this year.” Alibaba Cloud
Close to their usual gap
Time since the last release is close to the usual gap between this line’s models. We don’t predict dates.
● GPT Terra · OpenAI · last: GPT-5.6 Terra
102 days since the last release · usual gap 114 days
● Seed Lite · ByteDance · last: Doubao-Seed-2.0-Lite
247 days since the last release · usual gap 252 days
● Qwen Plus · Alibaba · last: Qwen 3.7-Plus
140 days since the last release · usual gap 143 days
● Mistral Medium · last: Mistral Medium 3.5
173 days since the last release · usual gap 179 days, from only 2 gaps
See where every line stands →
Next AI Model checks 17 AI makers for new models every morning. Every number comes from the maker or an independent test, with its source. One email a week, only when something ships.
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