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October 12, 2026

This week in AI models: Claude Haiku 5.5, Nano Banana 2.1, Mistral Large 4 +3 more

What each of this week’s 6 new AI models changed, with the numbers and their sources, and which lines could ship next.

What shipped
● Google · Nano Banana & Imagen · image model · Oct 6
Nano Banana 2.1
An update to Nano Banana 2 built on Gemini 3.6 Flash that scores 60 Elo higher in Google's blind text-to-image tests at about half the price per image.
Compared with Nano Banana 2 (Gemini 3.1 Flash Image) · the model it replaces
1050 ▲ up from 990 for Nano Banana 2 · +60 Elo, margin about 14 · Google's own test, thinking mode
Preferred more often than Nano Banana 2 in blind image comparisons · Google text-to-image Elo
$0.0336 / image ▼ down from $0.067 for Nano Banana 2 · 2K image $0.0504
Costs about half as much per image as Nano Banana 2 · Gemini API price per generated image
Full card and timeline →
Sources: Google DeepMind · Gemini API pricing · Artificial Analysis
● Anthropic · Claude Haiku · Oct 7
Claude Haiku 5.5
Costs a tenth of Claude Haiku 4.5 for prompts under 100K tokens while raising its computer-use score from 15.7% to 72.4%, with a 1M-token context window.
Compared with Claude Haiku 4.5 · the model it replaces
72.4% ▲ up from 15.7% · +56.7 points
Finishes 7 in 10 tasks when operating a computer on its own · OSWorld 2.1
$0.10 / $0.50 ▼ down from $1 / $5 · prompts under 100K tokens; $0.50 / $2.50 above that
Costs developers a tenth of what Claude Haiku 4.5 cost · Price per 1M tokens
Full card and timeline →
Sources: Anthropic · Anthropic (2) · Artificial Analysis
● Mistral · Mistral Large · open weights · Oct 6
Mistral Large 4
Mistral's first large reasoning model, natively multimodal with 1 trillion parameters (49 billion active), lifts the Intelligence Index from 9 to 38 but costs almost three times as much as Mistral Large 3.
Compared with Mistral Large 3 · the model it replaces
61.7% ✦ first score published — no Mistral Large 3 result to compare
Solves about 6 in 10 hard real-world software engineering tasks · DeepSWE 1.1
$1.36 / $4.18 preview launch price — was $0.50 / $1.50 for Mistral Large 3
Costs developers almost three times as much to run · API price per 1M tokens
Full card and timeline →
Sources: Mistral · Artificial Analysis · Mistral (pricing)
Also new this week
● Xiaomi · MiMo Pro · open weights · released Sep 22 · added this week
MiMo-V2.6-Pro
Xiaomi's new open-weights flagship scores 46 on the Artificial Analysis Intelligence Index, up from 26 for MiMo-V2.5-Pro, at the same API price of $0.435 / $0.87 per 1M tokens.
● Black Forest Labs · FLUX · image model · released Oct 1 · added this week
FLUX 3 Image
Generates images natively at 2K and 4K and adds bounding-box layout control to place, re-describe or replace individual elements.
● Xiaomi · MiMo Flash · open weights · released Sep 22 · added this week
MiMo-V2.6-Flash
Xiaomi's new open-weights Flash model beats its previous Pro model, MiMo-V2.5-Pro, on all 14 tests where Xiaomi's table scores both, while keeping MiMo-V2.5's price of $0.14 / $0.28 per 1M tokens.
Coming next
Announced by the maker, not out yet
● Gemini 4 Argon · Google · announced Sep 30 · expected as soon as possible · open only to selected partners so far
“Today, we’re announcing our new frontier model, Gemini 4 Argon, which is rolling out to a set of trusted cyber defenders through our Fairwind Program.” Google
● 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
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.
● GLM · Z‌.ai · last: GLM-5.3
59 days since the last release — usual gap is 62
● Seed Lite · ByteDance · last: Doubao-Seed-2.0-Lite
240 days since the last release — usual gap is 252
● Qwen Plus · Alibaba · last: Qwen 3.7-Plus
133 days since the last release — usual gap is 143
See where every line stands →
Next AI Model checks 14 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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