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Anthropic Takes Claude Opus 5.5 Fast Mode Out of Research Preview, Dropping the Beta Header and Access Request, at $8 and $40 per Million Tokens
Anthropic says Claude Opus 5.5 fast mode no longer needs an access request or beta header, adds a default rate limit in three usage tiers, and extends it to Microsoft Foundry on Azure.
Apertus 1.5 Adds Image and Audio Input, a 262,144-Token Context and a Thinking Mode to Its Fully Open 8B and 70B Models
The Apertus project's 1.5 release adds image and audio understanding, an optional thinking mode and a 262,144-token window to its 8B and 70B open models, under Apache 2.0.
dmis-lab Releases UltraBERT, 150M and 380M Encoders With 32K Context, Plus an Embedding Model It Says Tops MTEB Under 200M Parameters
dmis-lab's Oct 14 UltraBERT post lists Apache 2.0 encoders at 150M and 380M with 32K context; benchmark claims, including MTEB, are the authors' own.
Meta Releases Muse Wonder on Its Model API at $4 Input and $20 Output per Million Tokens, While Muse Wonder Full Is Limited to Muse Code Subscribers
Meta says Muse Wonder is in preview on its Model API at $4 per million input and $20 per million output tokens; Muse Wonder Full is limited to Muse Code subscription plans.
LightOnOCR-3 Arrives in 0.8B, 1B and 4B Sizes Under Apache 2.0, Adding Bounding Boxes, Image Descriptions and Chart Tables to OCR Output
A Hugging Face blog post dated October 8, 2026 describes open-weight OCR models that add labeled bounding boxes; the authors report 86.3 on olmOCR-Bench for the 4B model.
Google Makes Nano Banana 2.1 Generally Available in the Gemini API, With Image Output Priced at $30 per Million Tokens Versus $60 on Its Predecessor
Google lists Nano Banana 2.1 as generally available in the Gemini API from October 6, with 1:8 and 8:1 aspect ratios and image output at $30 per million tokens.
OpenAI Puts Decisions API in Beta, Returning Probabilities and Scores From GPT-6 Luna at $0.10 per Million Input Tokens
OpenAI's Decisions API, in beta since October 6, returns probabilities, choices and scores from gpt-6-luna; OpenAI lists input at $0.10 per 1M tokens.
Anthropic Releases Claude Haiku 5.5 With a 1M-Token Context Window and Input Pricing From $0.10 per Million Tokens, Down From $1 on Haiku 4.5
Anthropic's Claude Haiku 5.5 lists at $0.10 per million input tokens for prompts up to 100,000 tokens, versus $1 for Haiku 4.5, and adds a 1M-token context window and adaptive thinking.
Mistral Releases Large 4 in Public Preview: A 1-Trillion-Parameter Multimodal Model With 49 Billion Active Parameters and Open Weights Promised
Mistral AI launched Mistral Large 4, a 1-trillion-parameter multimodal model with 49 billion active parameters, in public preview, with open weights promised after safety testing.
Aleph Alpha Releases Kolibri, a 78-Billion-Parameter Apache 2.0 German-English MoE Model With 3.46 Billion Active Parameters
Aleph Alpha published Kolibri on Hugging Face on October 3 under Apache 2.0; its own tech report puts the model on the quality-versus-serving-cost Pareto frontier.
Reka Releases Rho-1, a 19-Billion-Parameter Model That Handles Text, Images, Video and Robot Control in One Network
Reka released a research preview of Rho-1, a 19-billion-parameter model that handles text, image, video and robot-action generation in one network, trained on 320 H100 GPUs.
Ataraxos AI Beats Stratego's Most Decorated Player 15 Wins to 1 in Nature Paper, on a Training Run Costing Under $8,000
Researchers from CMU, NYU, Stanford and MIT report in Nature that Ataraxos beat Pim Niemeijer with 15 wins, 1 loss and 4 draws, using far less compute than DeepMind's DeepNash.