Model Releases · Mon 9 Nov

AIAI-generated summary Simon Willison has added support for the newly released Anthropic Fable 5.2 and Mythos 5.2 models to llm-anthropic. The author noted that the max reasoning level failed to return an image, running out of tokens during testing.

AIAI-generated summary Google Cloud reports that Muse Wonder, Muse Spark 1.3, and Muse Ember are now available on GCP in public preview. The public preview rollout brings these models to the platform for users.

AIAI-generated summary Benjamin Minixhofer says that batched serving remains a challenge for hierarchical byte-level models like Bolmo. The Nature paper describes how Bolmo 7B was created by converting Olmo 3 7B using extra training.

AIAI-generated summary Baidu unveiled ERNIE Evolve, an automated system that conducts experiments to improve AI code and accelerate development. Baidu says the system sped up the in-development ERNIE-5.5-Flash model by 33.7% on GPUs and more than sixfold on Kunlunxin chips.

AIAI-generated summary Meta has launched its budget-tier artificial intelligence model named Muse Ember to compete with offerings from Anthropic and OpenAI. Cloudflare CTO Dane Knecht stated that Muse Ember ran up to 30 percent faster at the tail than the comparable model tested.

AIAI-generated summary Amazon Bedrock now provides Anthropic's Claude Mythos 5.2 model to eligible customers within AWS GovCloud (US). Anthropic says the model handles cybersecurity, software coding, and complex reasoning tasks with advanced capabilities.

AIAI-generated summary Anthropic says it has upgraded Claude Fable and Claude Mythos to version 5.2, bringing improvements in coding, reasoning, and vision. Anthropic says the updated models generate outputs up to 30 percent faster than previous versions and are available at a lower price.

AIAI-generated summary Claude Fable 5.2, Claude Fable 5.1, and Claude Fable 5 models are available on all paid plans, including Pro, Max, Ultra, Team, and Enterprise. Max and Ultra plans, along with premium seats on Team and Enterprise plans, include Fable models as a standard part of the plan.

AIAI-generated summary Anthropic has launched Claude Fable 5.2 alongside Mythos 5.2 with a price cut from $10 and $50 to $8 and $40 per million input and output tokens. Anthropic reports that Fable 5.2 scored 49.1 percent on FrontierCode 2.0 and generated output up to 30 percent faster than the previous version.

AIAI-generated summary Anthropic has announced the public release of Claude Fable 5.2 on its blog along with benchmark details. Anthropic states that Claude Mythos 5.2 is available to all paid users, while eligible paid plans receive extra usage.

AIAI-generated summary Anthropic released Claude Fable 5.2 and Claude Mythos 5.2 on November 9, reducing Fable token prices by 20% compared with the previous version. Anthropic says the new models generate answers up to 30% faster than their 5.1 predecessors while offering different safety safeguards and availability.

AIAI-generated summary Meta has introduced Muse Ember as a smaller and more efficient multimodal addition to its Muse model family. Meta says the new model is priced competitively with other systems and can operate desktop apps from screenshots.

AIAI-generated summary Google released Gemini 4 Argon as a general-purpose physical-reasoning model intended for robot control, simulation, video labeling, and policy improvement. Google reports that Gemini 4 Argon achieves an 87 percent score on the Embodied Reasoning Question Answering benchmark and is available to subscribers and through the Gemini API.

AIAI-generated summary Generative artificial intelligence companies like OpenAI and Anthropic are highlighting digital security risks while positioning themselves as the primary solutions provider for these vulnerabilities. OpenAI introduced a security-focused model called GPT-6 Cyber and the Daybreak program, while Anthropic developed Claude Mythos Preview and Google created Gemini Carbon 4.