New & notable AI tools this week
Updated · Launches from October 1 to October 15, 2026 · Refreshed weekly.
The notable AI launches this week are FLUX 3 Image Klein (Black Forest Labs), Gemini 4 Argon (Google), Claude Haiku 5.5 (Anthropic), Mistral Large 4 (public preview) (Mistral AI). Every entry below is taken from the maker's own announcement, linked as the source.
FLUX 3 Image Klein by Black Forest Labs
A 5.6B-parameter open-weights model for text-to-image, image editing and multi-reference generation (up to 10 reference images). Black Forest Labs says it runs on consumer NVIDIA GPUs with as little as 8 GB of VRAM using its INT8 build.
Who it's for: People who want to generate or edit images locally, and developers who want a low-cost image API (BFL lists API pricing from $0.009 per 1K-resolution image).
Source: bfl.ai
Gemini 4 Argon by Google
Google's new frontier model for complex coding, finance, legal, cybersecurity and science work. Available in the Gemini API and, for Google AI Pro and Ultra subscribers, in the Gemini app and AI Mode in Search.
Who it's for: Developers and paid Gemini subscribers tackling long, multi-step tasks. API introductory price: $2 per million input tokens and $10 per million output tokens until November 30, 2026.
Source: blog.google
Claude Haiku 5.5 by Anthropic
Anthropic's new small, fast model for high-volume tasks like summaries, classification, customer support, browser use and coding subagents. Available on the Claude Platform and major clouds.
Who it's for: Developers who need a cheap, fast model: $0.10 per million input tokens and $0.50 per million output tokens for prompts up to 100K tokens.
Source: www.anthropic.com
Mistral Large 4 (public preview) by Mistral AI
A multimodal model in public preview through the Mistral API, aimed at coding, agentic workflows and document and image understanding. Mistral says open weights will follow by the end of October.
Who it's for: Developers and companies who want a strong model they can later self-host.
Source: mistral.ai
These are launches, not recommendations yet. For tools matched to a specific job, see best tools by task or describe your task.